Interaction Checker

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No Interaction Expected

Ritonavir (RTV)

Abacavir (ABC)

No Interaction Expected

Ritonavir (RTV)

Acamprosate

No Interaction Expected

Ritonavir (RTV)

Acarbose

Potential Interaction

Ritonavir (RTV)

Acenocoumarol

No Interaction Expected

Ritonavir (RTV)

Acetazolamide

No Interaction Expected

Ritonavir (RTV)

Aciclovir (Acyclovir)

No Interaction Expected

Ritonavir (RTV)

Acitretin

No Interaction Expected

Ritonavir (RTV)

Aclidinium bromide

No Interaction Expected

Ritonavir (RTV)

Adalimumab

No Interaction Expected

Ritonavir (RTV)

Adefovir

No Interaction Expected

Ritonavir (RTV)

Adrenaline (Epinephrine)

No Interaction Expected

Ritonavir (RTV)

African Potato

Potential Interaction

Ritonavir (RTV)

Agomelatine

Potential Interaction

Ritonavir (RTV)

Albendazole

Potential Weak Interaction

Ritonavir (RTV)

Albuvirtide (ABT)

No Interaction Expected

Ritonavir (RTV)

Alcohol

No Interaction Expected

Ritonavir (RTV)

Alcuronium

No Interaction Expected

Ritonavir (RTV)

Alendronic Acid

Potential Interaction

Ritonavir (RTV)

Alfentanil

Do Not Coadminister

Ritonavir (RTV)

Alfuzosin

Do Not Coadminister

Ritonavir (RTV)

Aliskiren

No Interaction Expected

Ritonavir (RTV)

Allopurinol

Potential Interaction

Ritonavir (RTV)

Almotriptan

No Interaction Expected

Ritonavir (RTV)

Aloe vera

Potential Interaction

Ritonavir (RTV)

Alosetron

Potential Interaction

Ritonavir (RTV)

Alprazolam

No Interaction Expected

Ritonavir (RTV)

Amantadine

No Interaction Expected

Ritonavir (RTV)

Ambrisentan

No Interaction Expected

Ritonavir (RTV)

Amikacin

No Interaction Expected

Ritonavir (RTV)

Amiloride

Potential Interaction

Ritonavir (RTV)

Aminophylline

Do Not Coadminister

Ritonavir (RTV)

Amiodarone

No Interaction Expected

Ritonavir (RTV)

Amisulpride

Potential Weak Interaction

Ritonavir (RTV)

Amitriptyline

Potential Interaction

Ritonavir (RTV)

Amlodipine

Potential Weak Interaction

Ritonavir (RTV)

Amodiaquine

No Interaction Expected

Ritonavir (RTV)

Amoxicillin

Potential Interaction

Ritonavir (RTV)

Amphetamine

No Interaction Expected

Ritonavir (RTV)

Amphotericin B

No Interaction Expected

Ritonavir (RTV)

Ampicillin

Potential Weak Interaction

Ritonavir (RTV)

Anastrozole

No Interaction Expected

Ritonavir (RTV)

Anidulafungin

No Interaction Expected

Ritonavir (RTV)

Antacids

No Interaction Expected

Ritonavir (RTV)

Anti-thymocyte globulin

Do Not Coadminister

Ritonavir (RTV)

Apixaban

Potential Weak Interaction

Ritonavir (RTV)

Apomorphine

Potential Interaction

Ritonavir (RTV)

Aprepitant

No Interaction Expected

Ritonavir (RTV)

Argatroban

Potential Interaction

Ritonavir (RTV)

Aripiprazole

Potential Interaction

Ritonavir (RTV)

Artemisinin

No Interaction Expected

Ritonavir (RTV)

Ascorbic Acid (Vitamin C) [in multivitamins]

Potential Interaction

Ritonavir (RTV)

Asenapine

No Interaction Expected

Ritonavir (RTV)

Asparaginase

No Interaction Expected

Ritonavir (RTV)

Aspirin (Analgesic)

No Interaction Expected

Ritonavir (RTV)

Aspirin (Anti-platelet)

Do Not Coadminister

Ritonavir (RTV)

Astemizole

Potential Interaction

Ritonavir (RTV)

Atazanavir alone (ATV)

Do Not Coadminister

Ritonavir (RTV)

Atazanavir/cobicistat (ATV/c)

Do Not Coadminister

Ritonavir (RTV)

Atazanavir + ritonavir (ATV/r)

No Interaction Expected

Ritonavir (RTV)

Atenolol

Potential Interaction

Ritonavir (RTV)

Atorvastatin

Potential Interaction

Ritonavir (RTV)

Atovaquone

No Interaction Expected

Ritonavir (RTV)

Atropine

Do Not Coadminister

Ritonavir (RTV)

Avanafil

No Interaction Expected

Ritonavir (RTV)

Azathioprine

No Interaction Expected

Ritonavir (RTV)

Azithromycin

No Interaction Expected

Ritonavir (RTV)

Baclofen

No Interaction Expected

Ritonavir (RTV)

Basiliximab

No Interaction Expected

Ritonavir (RTV)

Beclometasone

Potential Interaction

Ritonavir (RTV)

Bedaquiline

No Interaction Expected

Ritonavir (RTV)

Belatacept

No Interaction Expected

Ritonavir (RTV)

Benazepril

No Interaction Expected

Ritonavir (RTV)

Bendroflumethiazide

No Interaction Expected

Ritonavir (RTV)

Benserazide

No Interaction Expected

Ritonavir (RTV)

Benznidazole

Do Not Coadminister

Ritonavir (RTV)

Bepridil

No Interaction Expected

Ritonavir (RTV)

Betahistine

Potential Interaction

Ritonavir (RTV)

Betamethasone

Potential Interaction

Ritonavir (RTV)

Betrixaban

No Interaction Expected

Ritonavir (RTV)

Bevacizumab

Potential Interaction

Ritonavir (RTV)

Bexarotene

No Interaction Expected

Ritonavir (RTV)

Bezafibrate

Potential Interaction

Ritonavir (RTV)

Bictegravir/ Emtricitabine/Tenofovir alafenamide (BIC/FTC/TAF)

No Interaction Expected

Ritonavir (RTV)

Biperiden

No Interaction Expected

Ritonavir (RTV)

Bisacodyl

Potential Weak Interaction

Ritonavir (RTV)

Bisoprolol

No Interaction Expected

Ritonavir (RTV)

Black cohosh (Actaea racemosa, Cimicifuga racemosa)

No Interaction Expected

Ritonavir (RTV)

Bleomycin

Potential Interaction

Ritonavir (RTV)

Bortezomib

Potential Interaction

Ritonavir (RTV)

Bosentan

Potential Weak Interaction

Ritonavir (RTV)

Bromazepam

Do Not Coadminister

Ritonavir (RTV)

Budesonide

Potential Interaction

Ritonavir (RTV)

Bupivacaine

Potential Interaction

Ritonavir (RTV)

Buprenorphine

Potential Interaction

Ritonavir (RTV)

Bupropion (Amfebutamone)

Potential Interaction

Ritonavir (RTV)

Buspirone

No Interaction Expected

Ritonavir (RTV)

Caffeine citrate

No Interaction Expected

Ritonavir (RTV)

Calcium folinate

No Interaction Expected

Ritonavir (RTV)

Calcium supplements

Potential Interaction

Ritonavir (RTV)

Canagliflozin

No Interaction Expected

Ritonavir (RTV)

Candesartan

Potential Interaction

Ritonavir (RTV)

Cannabidiol (CBD)

Potential Weak Interaction

Ritonavir (RTV)

Cannabis

No Interaction Expected

Ritonavir (RTV)

Capecitabine

No Interaction Expected

Ritonavir (RTV)

Capreomycin

No Interaction Expected

Ritonavir (RTV)

Captopril

Potential Interaction

Ritonavir (RTV)

Carbamazepine

Potential Interaction

Ritonavir (RTV)

Carbidopa

No Interaction Expected

Ritonavir (RTV)

Carbimazole

No Interaction Expected

Ritonavir (RTV)

Carboplatin

Potential Weak Interaction

Ritonavir (RTV)

Carvedilol

No Interaction Expected

Ritonavir (RTV)

Caspofungin

Potential Interaction

Ritonavir (RTV)

Cat's Claw (Uncaria tomentosa)

No Interaction Expected

Ritonavir (RTV)

Cefalexin

No Interaction Expected

Ritonavir (RTV)

Cefazolin

No Interaction Expected

Ritonavir (RTV)

Cefixime

No Interaction Expected

Ritonavir (RTV)

Cefotaxime

No Interaction Expected

Ritonavir (RTV)

Ceftazidime

No Interaction Expected

Ritonavir (RTV)

Ceftriaxone

No Interaction Expected

Ritonavir (RTV)

Celecoxib

No Interaction Expected

Ritonavir (RTV)

Cetirizine

No Interaction Expected

Ritonavir (RTV)

Cetuximab

No Interaction Expected

Ritonavir (RTV)

Chlorambucil

Potential Weak Interaction

Ritonavir (RTV)

Chloramphenicol

Potential Interaction

Ritonavir (RTV)

Chlordiazepoxide

No Interaction Expected

Ritonavir (RTV)

Chloroquine

Potential Weak Interaction

Ritonavir (RTV)

Chlorphenamine

Potential Weak Interaction

Ritonavir (RTV)

Chlorpromazine

No Interaction Expected

Ritonavir (RTV)

Chlortalidone

Potential Interaction

Ritonavir (RTV)

Ciclesonide

Potential Interaction

Ritonavir (RTV)

Ciclosporin (Cyclosporine)

No Interaction Expected

Ritonavir (RTV)

Cidofovir

No Interaction Expected

Ritonavir (RTV)

Cilazapril

No Interaction Expected

Ritonavir (RTV)

Cimetidine

No Interaction Expected

Ritonavir (RTV)

Ciprofloxacin

Do Not Coadminister

Ritonavir (RTV)

Cisapride

No Interaction Expected

Ritonavir (RTV)

Cisatracurium

Potential Interaction

Ritonavir (RTV)

Cisplatin

Potential Weak Interaction

Ritonavir (RTV)

Citalopram

Potential Interaction

Ritonavir (RTV)

Clarithromycin

No Interaction Expected

Ritonavir (RTV)

Clavulanic acid

Potential Interaction

Ritonavir (RTV)

Clindamycin

Potential Interaction

Ritonavir (RTV)

Clobazam

Potential Interaction

Ritonavir (RTV)

Clobetasol

No Interaction Expected

Ritonavir (RTV)

Clofazimine

No Interaction Expected

Ritonavir (RTV)

Clofibrate

Potential Weak Interaction

Ritonavir (RTV)

Clomifene

Potential Interaction

Ritonavir (RTV)

Clomipramine (Chlorimipramine)

Potential Interaction

Ritonavir (RTV)

Clonazepam

No Interaction Expected

Ritonavir (RTV)

Clonidine

Do Not Coadminister

Ritonavir (RTV)

Clopidogrel

Potential Interaction

Ritonavir (RTV)

Clorazepate

No Interaction Expected

Ritonavir (RTV)

Cloxacillin

Potential Interaction

Ritonavir (RTV)

Clozapine

Potential Interaction

Ritonavir (RTV)

Cocaine

Potential Weak Interaction

Ritonavir (RTV)

Codeine

Potential Interaction

Ritonavir (RTV)

Colchicine

No Interaction Expected

Ritonavir (RTV)

Colecalciferol (Vitamin D3) [in multivitamins]

No Interaction Expected

Ritonavir (RTV)

Cubeb pepper (Piper cubeba)

No Interaction Expected

Ritonavir (RTV)

Cyanocobalamin (Vitamin B12) [in multivitamins]

Potential Interaction

Ritonavir (RTV)

Cyclophosphamide

No Interaction Expected

Ritonavir (RTV)

Cycloserine

Potential Interaction

Ritonavir (RTV)

Cyproterone acetate

No Interaction Expected

Ritonavir (RTV)

Cytarabine

Potential Interaction

Ritonavir (RTV)

Dabigatran

Potential Interaction

Ritonavir (RTV)

Dacarbazine

Potential Interaction

Ritonavir (RTV)

Daclatasvir

No Interaction Expected

Ritonavir (RTV)

Dactinomycin

No Interaction Expected

Ritonavir (RTV)

Dalteparin

No Interaction Expected

Ritonavir (RTV)

Dapagliflozin

No Interaction Expected

Ritonavir (RTV)

Dapsone

Do Not Coadminister

Ritonavir (RTV)

Darifenacin

Do Not Coadminister

Ritonavir (RTV)

Darunavir/cobicistat (DRV/c)

Do Not Coadminister

Ritonavir (RTV)

Darunavir/Cobicistat/ Emtricitabine/Tenofovir alafenamide (DRV/c/FTC/TAF)

Potential Interaction

Ritonavir (RTV)

Darunavir + ritonavir (DRV/r)

Potential Interaction

Ritonavir (RTV)

Dasatinib

Potential Interaction

Ritonavir (RTV)

Daunorubicin

Potential Interaction

Ritonavir (RTV)

Delamanid

No Interaction Expected

Ritonavir (RTV)

Denosumab

No Interaction Expected

Ritonavir (RTV)

Desflurane

Potential Weak Interaction

Ritonavir (RTV)

Desipramine

Potential Interaction

Ritonavir (RTV)

Desogestrel (COC)

Potential Weak Interaction

Ritonavir (RTV)

Desogestrel (POP)

Potential Interaction

Ritonavir (RTV)

Dexmedetomidine

Do Not Coadminister

Ritonavir (RTV)

Dextropropoxyphene

Potential Interaction

Ritonavir (RTV)

Diamorphine (diacetylmorphine)

Potential Interaction

Ritonavir (RTV)

Diazepam

No Interaction Expected

Ritonavir (RTV)

Diclofenac

No Interaction Expected

Ritonavir (RTV)

Diethylcarbamazine

Potential Interaction

Ritonavir (RTV)

Digoxin

Potential Weak Interaction

Ritonavir (RTV)

Dihydrocodeine

Do Not Coadminister

Ritonavir (RTV)

Dihydroergotamine

No Interaction Expected

Ritonavir (RTV)

Diloxanide

Potential Interaction

Ritonavir (RTV)

Diltiazem

Potential Weak Interaction

Ritonavir (RTV)

Diphenhydramine

Potential Interaction

Ritonavir (RTV)

Dipyridamole

Do Not Coadminister

Ritonavir (RTV)

Disopyramide

Potential Interaction

Ritonavir (RTV)

Disulfiram

Potential Interaction

Ritonavir (RTV)

Docetaxel

Do Not Coadminister

Ritonavir (RTV)

Dofetilide

No Interaction Expected

Ritonavir (RTV)

Dolasetron

No Interaction Expected

Ritonavir (RTV)

Dolutegravir (DTG)

Potential Weak Interaction

Ritonavir (RTV)

Dolutegravir/Abacavir/ Lamivudine (DTG/ABC/3TC)

Potential Weak Interaction

Ritonavir (RTV)

Dolutegravir/Lamivudine (DTG/3TC)

Potential Weak Interaction

Ritonavir (RTV)

Dolutegravir/Rilpivirine (DTG/RPV)

Do Not Coadminister

Ritonavir (RTV)

Domperidone

No Interaction Expected

Ritonavir (RTV)

Dopamine

Potential Weak Interaction

Ritonavir (RTV)

Doravirine (DOR)

Potential Interaction

Ritonavir (RTV)

Doravirine/Lamivudine/ Tenofovir-DF (DOR/3TC/TDF)

Potential Interaction

Ritonavir (RTV)

Doxazosin

Potential Weak Interaction

Ritonavir (RTV)

Doxepin

No Interaction Expected

Ritonavir (RTV)

Doxorubicin

No Interaction Expected

Ritonavir (RTV)

Doxycycline

Potential Interaction

Ritonavir (RTV)

Droloxifene

Potential Weak Interaction

Ritonavir (RTV)

Dronabinol

Potential Interaction

Ritonavir (RTV)

Drospirenone (COC)

Potential Interaction

Ritonavir (RTV)

Drospirenone (HRT)

No Interaction Expected

Ritonavir (RTV)

Dulaglutide

Potential Weak Interaction

Ritonavir (RTV)

Duloxetine

Potential Interaction

Ritonavir (RTV)

Dutasteride

Potential Interaction

Ritonavir (RTV)

Dydrogesterone (HRT)

No Interaction Expected

Ritonavir (RTV)

Echinacea

Potential Interaction

Ritonavir (RTV)

Ecstasy (MDMA)

Potential Interaction

Ritonavir (RTV)

Edoxaban

Potential Interaction

Ritonavir (RTV)

Efavirenz (EFV)

No Interaction Expected

Ritonavir (RTV)

Eflornithine

Do Not Coadminister

Ritonavir (RTV)

Elbasvir/Grazoprevir

Potential Interaction

Ritonavir (RTV)

Eltrombopag

Do Not Coadminister

Ritonavir (RTV)

Elvitegravir/Cobicistat/ Emtricitabine/Tenofovir alafenamide (EVG/c/FTC/TAF)

Do Not Coadminister

Ritonavir (RTV)

Elvitegravir/Cobicistat/ Emtricitabine/Tenofovir-DF (EVG/c/FTC/TDF)

No Interaction Expected

Ritonavir (RTV)

Empagliflozin

No Interaction Expected

Ritonavir (RTV)

Emtricitabine (FTC)

Potential Interaction

Ritonavir (RTV)

Emtricitabine/Tenofovir alafenamide (FTC/TAF)

Potential Interaction

Ritonavir (RTV)

Emtricitabine/Tenofovir-DF (FTC/TDF, PrEP)

No Interaction Expected

Ritonavir (RTV)

Enalapril

No Interaction Expected

Ritonavir (RTV)

Enflurane

No Interaction Expected

Ritonavir (RTV)

Enoxaparin

No Interaction Expected

Ritonavir (RTV)

Entecavir

No Interaction Expected

Ritonavir (RTV)

Ephedrine

Potential Interaction

Ritonavir (RTV)

Epirubicin

Do Not Coadminister

Ritonavir (RTV)

Eplerenone

No Interaction Expected

Ritonavir (RTV)

Epoprostenol

No Interaction Expected

Ritonavir (RTV)

Eprosartan

Do Not Coadminister

Ritonavir (RTV)

Ergometrine (Ergonovine)

Do Not Coadminister

Ritonavir (RTV)

Ergotamine

Potential Interaction

Ritonavir (RTV)

Erlotinib

No Interaction Expected

Ritonavir (RTV)

Ertapenem

Potential Interaction

Ritonavir (RTV)

Erythromycin

Potential Weak Interaction

Ritonavir (RTV)

Escitalopram

Potential Interaction

Ritonavir (RTV)

Eslicarbazepine

No Interaction Expected

Ritonavir (RTV)

Esomeprazole

Potential Interaction

Ritonavir (RTV)

Estazolam

Potential Interaction

Ritonavir (RTV)

Estradiol

No Interaction Expected

Ritonavir (RTV)

Estramustine

No Interaction Expected

Ritonavir (RTV)

Ethambutol

Potential Interaction

Ritonavir (RTV)

Ethinylestradiol

No Interaction Expected

Ritonavir (RTV)

Ethionamide

Potential Interaction

Ritonavir (RTV)

Ethosuximide

Potential Interaction

Ritonavir (RTV)

Etidocaine

Potential Weak Interaction

Ritonavir (RTV)

Etonogestrel (implant)

Potential Interaction

Ritonavir (RTV)

Etonogestrel (vaginal ring)

Potential Interaction

Ritonavir (RTV)

Etoposide

Potential Interaction

Ritonavir (RTV)

Etravirine (ETR)

No Interaction Expected

Ritonavir (RTV)

Eucalyptus globulus

Do Not Coadminister

Ritonavir (RTV)

Everolimus

No Interaction Expected

Ritonavir (RTV)

Evolocumab

No Interaction Expected

Ritonavir (RTV)

Exemestane

No Interaction Expected

Ritonavir (RTV)

Exenatide

No Interaction Expected

Ritonavir (RTV)

Ezetimibe

No Interaction Expected

Ritonavir (RTV)

Famciclovir

No Interaction Expected

Ritonavir (RTV)

Famotidine

Potential Interaction

Ritonavir (RTV)

Felodipine

No Interaction Expected

Ritonavir (RTV)

Fenofibrate

Potential Interaction

Ritonavir (RTV)

Fentanyl

Potential Interaction

Ritonavir (RTV)

Fesoterodine

Potential Weak Interaction

Ritonavir (RTV)

Fexofenadine

No Interaction Expected

Ritonavir (RTV)

Finasteride

No Interaction Expected

Ritonavir (RTV)

Fish oils

Do Not Coadminister

Ritonavir (RTV)

Flecainide

Do Not Coadminister

Ritonavir (RTV)

Flibanserin

Potential Interaction

Ritonavir (RTV)

Flucloxacillin

No Interaction Expected

Ritonavir (RTV)

Fluconazole

No Interaction Expected

Ritonavir (RTV)

Flucytosine

No Interaction Expected

Ritonavir (RTV)

Fludarabine

Potential Interaction

Ritonavir (RTV)

Fludrocortisone

Potential Interaction

Ritonavir (RTV)

Flunisolide

Potential Interaction

Ritonavir (RTV)

Flunitrazepam

Potential Interaction

Ritonavir (RTV)

Fluocinolone

No Interaction Expected

Ritonavir (RTV)

Fluorouracil

Potential Weak Interaction

Ritonavir (RTV)

Fluoxetine

Potential Interaction

Ritonavir (RTV)

Fluphenazine

Potential Interaction

Ritonavir (RTV)

Flurazepam

Do Not Coadminister

Ritonavir (RTV)

Fluticasone

No Interaction Expected

Ritonavir (RTV)

Fluvastatin

Potential Weak Interaction

Ritonavir (RTV)

Fluvoxamine

No Interaction Expected

Ritonavir (RTV)

Folic acid [alone]

No Interaction Expected

Ritonavir (RTV)

Folic acid [in multivitamins]

No Interaction Expected

Ritonavir (RTV)

Fondaparinux

Potential Interaction

Ritonavir (RTV)

Formestane

No Interaction Expected

Ritonavir (RTV)

Formoterol

No Interaction Expected

Ritonavir (RTV)

Foscarnet

Potential Weak Interaction

Ritonavir (RTV)

Fosinopril

No Interaction Expected

Ritonavir (RTV)

Furosemide

No Interaction Expected

Ritonavir (RTV)

Gabapentin

No Interaction Expected

Ritonavir (RTV)

Ganciclovir

Potential Interaction

Ritonavir (RTV)

Garlic

Potential Interaction

Ritonavir (RTV)

Gefitinib

No Interaction Expected

Ritonavir (RTV)

Gemcitabine

Potential Weak Interaction

Ritonavir (RTV)

Gemfibrozil

No Interaction Expected

Ritonavir (RTV)

Gentamicin

Potential Interaction

Ritonavir (RTV)

Gestodene (COC)

Potential Interaction

Ritonavir (RTV)

GHB (Gamma-hydroxybutyrate)

No Interaction Expected

Ritonavir (RTV)

Ginger (Zingiber officinale)

No Interaction Expected

Ritonavir (RTV)

Ginkgo biloba

Do Not Coadminister

Ritonavir (RTV)

Glecaprevir/Pibrentasvir

Potential Interaction

Ritonavir (RTV)

Glibenclamide (Glyburide)

Potential Interaction

Ritonavir (RTV)

Gliclazide

Potential Interaction

Ritonavir (RTV)

Glimepiride

Potential Interaction

Ritonavir (RTV)

Glipizide

No Interaction Expected

Ritonavir (RTV)

Glyceryl trinitrate (Nitroglycerin)

No Interaction Expected

Ritonavir (RTV)

Glycopyrronium bromide

No Interaction Expected

Ritonavir (RTV)

Goldenseal root (Hydrastis canadensis)

No Interaction Expected

Ritonavir (RTV)

Goserelin

Potential Interaction

Ritonavir (RTV)

Granisetron

No Interaction Expected

Ritonavir (RTV)

Grapefruit juice

Potential Interaction

Ritonavir (RTV)

Griseofulvin

Do Not Coadminister

Ritonavir (RTV)

Halofantrine

Potential Weak Interaction

Ritonavir (RTV)

Haloperidol

No Interaction Expected

Ritonavir (RTV)

Halothane

No Interaction Expected

Ritonavir (RTV)

Heparin

Potential Interaction

Ritonavir (RTV)

Heroin

Potential Interaction

Ritonavir (RTV)

Hops (Humulus lupulus)

No Interaction Expected

Ritonavir (RTV)

Hydralazine

No Interaction Expected

Ritonavir (RTV)

Hydrochlorothiazide

Potential Interaction

Ritonavir (RTV)

Hydrocodone

Potential Interaction

Ritonavir (RTV)

Hydrocortisone (oral)

No Interaction Expected

Ritonavir (RTV)

Hydrocortisone (topical)

Potential Interaction

Ritonavir (RTV)

Hydromorphone

No Interaction Expected

Ritonavir (RTV)

Hydroxyurea (Hydroxycarbamide)

Potential Interaction

Ritonavir (RTV)

Hydroxyzine

No Interaction Expected

Ritonavir (RTV)

Ibalizumab-uiyk (IBA)

No Interaction Expected

Ritonavir (RTV)

Ibandronic acid

No Interaction Expected

Ritonavir (RTV)

Ibuprofen

Potential Interaction

Ritonavir (RTV)

Ifosfamide

Potential Interaction

Ritonavir (RTV)

Iloperidone

No Interaction Expected

Ritonavir (RTV)

Iloprost

Potential Interaction

Ritonavir (RTV)

Imatinib

No Interaction Expected

Ritonavir (RTV)

Imipenem/Cilastatin

Potential Interaction

Ritonavir (RTV)

Imipramine

No Interaction Expected

Ritonavir (RTV)

Indacaterol

Potential Interaction

Ritonavir (RTV)

Indapamide

No Interaction Expected

Ritonavir (RTV)

Insulin

No Interaction Expected

Ritonavir (RTV)

Interferon alpha

No Interaction Expected

Ritonavir (RTV)

Interleukin 2 (Aldesleukin)

No Interaction Expected

Ritonavir (RTV)

Inula racemosa

No Interaction Expected

Ritonavir (RTV)

Iodine [in multivitamins]

No Interaction Expected

Ritonavir (RTV)

Ipratropium bromide

Potential Weak Interaction

Ritonavir (RTV)

Irbesartan

Potential Interaction

Ritonavir (RTV)

Irinotecan

No Interaction Expected

Ritonavir (RTV)

Iron supplements (oral)

No Interaction Expected

Ritonavir (RTV)

Isoflurane

No Interaction Expected

Ritonavir (RTV)

Isoniazid

Potential Interaction

Ritonavir (RTV)

Isosorbide dinitrate

Potential Interaction

Ritonavir (RTV)

Isotretinoin

Potential Interaction

Ritonavir (RTV)

Itraconazole

Do Not Coadminister

Ritonavir (RTV)

Ivabradine

Potential Weak Interaction

Ritonavir (RTV)

Ivermectin

No Interaction Expected

Ritonavir (RTV)

Kanamycin

Potential Interaction

Ritonavir (RTV)

Ketamine

Potential Interaction

Ritonavir (RTV)

Ketoconazole

Potential Interaction

Ritonavir (RTV)

Labetalol

Potential Interaction

Ritonavir (RTV)

Lacidipine

No Interaction Expected

Ritonavir (RTV)

Lacosamide

No Interaction Expected

Ritonavir (RTV)

Lactulose

No Interaction Expected

Ritonavir (RTV)

Lamivudine (3TC)

Potential Interaction

Ritonavir (RTV)

Lamotrigine

No Interaction Expected

Ritonavir (RTV)

Lansoprazole

Potential Interaction

Ritonavir (RTV)

Lapatinib

No Interaction Expected

Ritonavir (RTV)

Ledipasvir/Sofosbuvir

No Interaction Expected

Ritonavir (RTV)

Lenalidomide

Do Not Coadminister

Ritonavir (RTV)

Lercanidipine

Potential Interaction

Ritonavir (RTV)

Letrozole

No Interaction Expected

Ritonavir (RTV)

Leuprorelin

No Interaction Expected

Ritonavir (RTV)

Levamisole (Ergamisol)

No Interaction Expected

Ritonavir (RTV)

Levetiracetam

No Interaction Expected

Ritonavir (RTV)

Levocetirizine

Potential Interaction

Ritonavir (RTV)

Levodopa

No Interaction Expected

Ritonavir (RTV)

Levofloxacin

Potential Weak Interaction

Ritonavir (RTV)

Levomepromazine

Potential Interaction

Ritonavir (RTV)

Levonorgestrel (COC)

Potential Weak Interaction

Ritonavir (RTV)

Levonorgestrel (Emergency Contraception)

Potential Interaction

Ritonavir (RTV)

Levonorgestrel (HRT)

Potential Weak Interaction

Ritonavir (RTV)

Levonorgestrel (implant)

No Interaction Expected

Ritonavir (RTV)

Levonorgestrel (IUD)

Potential Weak Interaction

Ritonavir (RTV)

Levonorgestrel (POP)

Potential Interaction

Ritonavir (RTV)

Levothyroxine

Potential Interaction

Ritonavir (RTV)

Lidocaine (Lignocaine)

No Interaction Expected

Ritonavir (RTV)

Linagliptin

No Interaction Expected

Ritonavir (RTV)

Linezolid

No Interaction Expected

Ritonavir (RTV)

Liquorice (Glycyrrhiza glabra)

No Interaction Expected

Ritonavir (RTV)

Liraglutide

No Interaction Expected

Ritonavir (RTV)

Lisinopril

No Interaction Expected

Ritonavir (RTV)

Lithium

Potential Interaction

Ritonavir (RTV)

Loperamide

Potential Interaction

Ritonavir (RTV)

Lopinavir/ritonavir (LPV/r)

Potential Weak Interaction

Ritonavir (RTV)

Loratadine

No Interaction Expected

Ritonavir (RTV)

Lorazepam

No Interaction Expected

Ritonavir (RTV)

Lormetazepam

Potential Weak Interaction

Ritonavir (RTV)

Losartan

Do Not Coadminister

Ritonavir (RTV)

Lovastatin

Potential Interaction

Ritonavir (RTV)

LSD (Lysergic acid diethylamide)

Potential Interaction

Ritonavir (RTV)

Lumefantrine

Potential Interaction

Ritonavir (RTV)

Macitentan

No Interaction Expected

Ritonavir (RTV)

Magnesium supplements

Potential Interaction

Ritonavir (RTV)

Malabar nut tree (Justicia adhatoda, Adhatoda vasica)

No Interaction Expected

Ritonavir (RTV)

Mannitol

Potential Weak Interaction

Ritonavir (RTV)

Maprotiline

Potential Interaction

Ritonavir (RTV)

Maraviroc (MVC)

Potential Interaction

Ritonavir (RTV)

Mebendazole

No Interaction Expected

Ritonavir (RTV)

Medroxyprogesterone (depot injection)

Potential Interaction

Ritonavir (RTV)

Medroxyprogesterone (HRT)

No Interaction Expected

Ritonavir (RTV)

Mefenamic acid

Potential Interaction

Ritonavir (RTV)

Mefloquine

No Interaction Expected

Ritonavir (RTV)

Megestrol acetate

No Interaction Expected

Ritonavir (RTV)

Meglumine antimoniate

No Interaction Expected

Ritonavir (RTV)

Melarsoprol

No Interaction Expected

Ritonavir (RTV)

Menthol

Potential Interaction

Ritonavir (RTV)

Mephedrone

No Interaction Expected

Ritonavir (RTV)

Mercaptopurine

No Interaction Expected

Ritonavir (RTV)

Meropenem

No Interaction Expected

Ritonavir (RTV)

Mesalazine

No Interaction Expected

Ritonavir (RTV)

Mesna

No Interaction Expected

Ritonavir (RTV)

Metformin

Potential Interaction

Ritonavir (RTV)

Methadone

Potential Interaction

Ritonavir (RTV)

Methamphetamine

Potential Weak Interaction

Ritonavir (RTV)

Methotrexate (Amethopterin)

No Interaction Expected

Ritonavir (RTV)

Methyldopa

No Interaction Expected

Ritonavir (RTV)

Methylphenidate

Potential Interaction

Ritonavir (RTV)

Methylprednisolone

No Interaction Expected

Ritonavir (RTV)

Metoclopramide

No Interaction Expected

Ritonavir (RTV)

Metolazone

Potential Weak Interaction

Ritonavir (RTV)

Metoprolol

Potential Interaction

Ritonavir (RTV)

Metronidazole

Potential Interaction

Ritonavir (RTV)

Mexiletine

Potential Weak Interaction

Ritonavir (RTV)

Mianserin

No Interaction Expected

Ritonavir (RTV)

Miconazole

Do Not Coadminister

Ritonavir (RTV)

Midazolam (oral)

Potential Interaction

Ritonavir (RTV)

Midazolam (parenteral)

Potential Weak Interaction

Ritonavir (RTV)

Mifepristone

No Interaction Expected

Ritonavir (RTV)

Milk thistle (Silybum marianum, silymarin)

No Interaction Expected

Ritonavir (RTV)

Milnacipran

No Interaction Expected

Ritonavir (RTV)

Miltefosine

Potential Interaction

Ritonavir (RTV)

Minaxolone

No Interaction Expected

Ritonavir (RTV)

Mirabegron

Potential Interaction

Ritonavir (RTV)

Mirtazapine

No Interaction Expected

Ritonavir (RTV)

Misoprostol

Potential Interaction

Ritonavir (RTV)

Mitoxantrone

Potential Interaction

Ritonavir (RTV)

Modafinil

Do Not Coadminister

Ritonavir (RTV)

Mometasone

Potential Weak Interaction

Ritonavir (RTV)

Montelukast

Potential Interaction

Ritonavir (RTV)

Morphine

Potential Interaction

Ritonavir (RTV)

Moxifloxacin

No Interaction Expected

Ritonavir (RTV)

Multivitamins

Potential Interaction

Ritonavir (RTV)

Mycophenolate

No Interaction Expected

Ritonavir (RTV)

Naftidrofuryl

Potential Interaction

Ritonavir (RTV)

Naloxone

No Interaction Expected

Ritonavir (RTV)

Naltrexone

No Interaction Expected

Ritonavir (RTV)

Nandrolone

No Interaction Expected

Ritonavir (RTV)

Naproxen

Potential Interaction

Ritonavir (RTV)

Nateglinide

Potential Weak Interaction

Ritonavir (RTV)

Nebivolol

Potential Interaction

Ritonavir (RTV)

Nefazodone

No Interaction Expected

Ritonavir (RTV)

Neostigmine

No Interaction Expected

Ritonavir (RTV)

Nevirapine (NVP)

Potential Interaction

Ritonavir (RTV)

Nicardipine

No Interaction Expected

Ritonavir (RTV)

Niclosamide

No Interaction Expected

Ritonavir (RTV)

Nicorandil

No Interaction Expected

Ritonavir (RTV)

Nicotinamide (Niacinamide) [in multivitamins]

Potential Interaction

Ritonavir (RTV)

Nifedipine

No Interaction Expected

Ritonavir (RTV)

Nifurtimox

Potential Interaction

Ritonavir (RTV)

Nilotinib

No Interaction Expected

Ritonavir (RTV)

Nimesulide

Potential Interaction

Ritonavir (RTV)

Nisoldipine

Potential Interaction

Ritonavir (RTV)

Nitrendipine

No Interaction Expected

Ritonavir (RTV)

Nitrofurantoin

No Interaction Expected

Ritonavir (RTV)

Nitrous oxide

Potential Interaction

Ritonavir (RTV)

Norelgestromin (patch)

Potential Interaction

Ritonavir (RTV)

Norethisterone [Norethindrone] (COC)

Potential Interaction

Ritonavir (RTV)

Norethisterone [Norethindrone] (HRT)

No Interaction Expected

Ritonavir (RTV)

Norethisterone [Norethindrone] (IM depot injection)

Potential Weak Interaction

Ritonavir (RTV)

Norethisterone [Norethindrone] (POP)

Potential Interaction

Ritonavir (RTV)

Norgestimate (COC)

Potential Interaction

Ritonavir (RTV)

Norgestrel (COC)

Potential Interaction

Ritonavir (RTV)

Norgestrel (HRT)

Potential Weak Interaction

Ritonavir (RTV)

Nortriptyline

No Interaction Expected

Ritonavir (RTV)

Nystatin

No Interaction Expected

Ritonavir (RTV)

Ofloxacin

Potential Interaction

Ritonavir (RTV)

Olanzapine

No Interaction Expected

Ritonavir (RTV)

Olmesartan

Potential Weak Interaction

Ritonavir (RTV)

Olodaterol

Do Not Coadminister

Ritonavir (RTV)

Ombitasvir/Paritaprevir/r

Do Not Coadminister

Ritonavir (RTV)

Ombitasvir/Paritaprevir/r + Dasabuvir

No Interaction Expected

Ritonavir (RTV)

Omeprazole

Potential Weak Interaction

Ritonavir (RTV)

Ondansetron

Potential Weak Interaction

Ritonavir (RTV)

Orlistat

No Interaction Expected

Ritonavir (RTV)

Oseltamivir

No Interaction Expected

Ritonavir (RTV)

Oxaliplatin

Potential Weak Interaction

Ritonavir (RTV)

Oxamniquine

No Interaction Expected

Ritonavir (RTV)

Oxandrolone

No Interaction Expected

Ritonavir (RTV)

Oxazepam

Potential Interaction

Ritonavir (RTV)

Oxcarbazepine

Potential Interaction

Ritonavir (RTV)

Oxprenolol

Potential Interaction

Ritonavir (RTV)

Oxybutynin

Potential Interaction

Ritonavir (RTV)

Oxycodone

No Interaction Expected

Ritonavir (RTV)

Oxytocin

Potential Interaction

Ritonavir (RTV)

Paclitaxel

Potential Weak Interaction

Ritonavir (RTV)

Paliperidone

No Interaction Expected

Ritonavir (RTV)

Pantoprazole

No Interaction Expected

Ritonavir (RTV)

Para-aminosalicylic acid

No Interaction Expected

Ritonavir (RTV)

Paracetamol (Acetaminophen)

No Interaction Expected

Ritonavir (RTV)

Paromomycin

Potential Interaction

Ritonavir (RTV)

Paroxetine

Potential Interaction

Ritonavir (RTV)

Pazopanib

No Interaction Expected

Ritonavir (RTV)

Peginterferon alfa-2a

No Interaction Expected

Ritonavir (RTV)

Peginterferon alfa-2b

No Interaction Expected

Ritonavir (RTV)

Penicillamine

No Interaction Expected

Ritonavir (RTV)

Penicillins

No Interaction Expected

Ritonavir (RTV)

Pentamidine

No Interaction Expected

Ritonavir (RTV)

Pentoxifylline

Potential Interaction

Ritonavir (RTV)

Perazine

Potential Weak Interaction

Ritonavir (RTV)

Periciazine

No Interaction Expected

Ritonavir (RTV)

Perindopril

Potential Weak Interaction

Ritonavir (RTV)

Perphenazine

Potential Weak Interaction

Ritonavir (RTV)

Pethidine (Meperidine)

Potential Interaction

Ritonavir (RTV)

Phencyclidine (PCP)

No Interaction Expected

Ritonavir (RTV)

Phenelzine

Potential Interaction

Ritonavir (RTV)

Phenobarbital (Phenobarbitone)

Potential Interaction

Ritonavir (RTV)

Phenprocoumon

Potential Interaction

Ritonavir (RTV)

Phenytoin

No Interaction Expected

Ritonavir (RTV)

Phytomenadione (Vitamin K) [in multivitamins]

No Interaction Expected

Ritonavir (RTV)

Pilocarpine

Do Not Coadminister

Ritonavir (RTV)

Pimozide

Potential Weak Interaction

Ritonavir (RTV)

Pindolol

Potential Weak Interaction

Ritonavir (RTV)

Pioglitazone

No Interaction Expected

Ritonavir (RTV)

Piperacillin

Potential Interaction

Ritonavir (RTV)

Piperaquine

Potential Weak Interaction

Ritonavir (RTV)

Pipotiazine

Do Not Coadminister

Ritonavir (RTV)

Piroxicam

No Interaction Expected

Ritonavir (RTV)

Pitavastatin

No Interaction Expected

Ritonavir (RTV)

Poppers (Amyl nitrate)

Potential Interaction

Ritonavir (RTV)

Posaconazole

No Interaction Expected

Ritonavir (RTV)

Potassium

No Interaction Expected

Ritonavir (RTV)

Pramipexole

No Interaction Expected

Ritonavir (RTV)

Prasugrel