Tell your doctor or pharmacist if you are taking any other medicines, including any medicines, vitamins or supplements that you buy without a prescription from your pharmacy, supermarket or health food shop.
Some medicines may interfere with Norvir and affect how it works, while Norvir mayaffect how other medicines work.
Do not take Norvir if you are taking any of the following medicines :
alfuzosin, a medicine used to treat an increase in the size of the prostate gland (not due to cancer)
ranolazine, a medicine used to treat angina
amiodarone, flecainide, propafenone, encainide, medicines used to treat marked changes in heart rhythm
bepridil, a medicine that causes blood vessels to relax and widen which improves oxygen supply to the heart, and lowers blood pressure
dronedarone, quinidine, medicines used to treat certain heart conditions
fusidic acid, a medicine used to treat infections caused by bacteria (antibiotic)
neratinib, a medicine used to treat breast cancer
apalutamide, a medicine used to treat prostate cancer
venetoclax, a medicine used to treat certain blood cancers
voriconazole, a medicine used to treat or prevent fungal infections
colchicine, a medicine used to relieve pain in patients with gout
astemizole, terfenadine, medicines used to treat allergies (antihistamine)
rifabutin, a medicine used to treat serious infections caused by certain bacteria (antibiotic)
blonanserin, clozapine, lurasidone, pimozide, medicines used to treat certain mental and emotional conditions
dihydroergotamine, ergometrine, ergotamine, methylergometrine, medicines used to treat migraine and headaches, and/or in childbirth
cisapride, a medicine used to treat reflux or indigestion
St John’s wort, a herbal product used to improve mood
lovastatin, simvastatin, lomitapide, medicines used to lower cholesterol
salmeterol, a medicine used to treat severe lung conditions, including asthma and chronic obstructive pulmonary disease (COPD)
piroxicam, a medicine used to treat the symptoms of arthritis
sildenafil, when used to treat high blood pressure in the lungs
pethidine, a medicine used in surgery, during childbirth and to treat strong pain
dextropropoxyphene, a medicine used to treat pain
clorazepate, diazepam, estazolam, flurazepam, midazolam, triazolam, zolpidem, medicines that work in the brain to help you sleep.
Medicines that may increase the effect of Norvir include:
delaviridine, a medicine used to treat HIV
fluconazole, a medicine used to treat or prevent fungal infections.
Medicines that may reduce the effect of Norvir include:
St John’s wort, a herbal product used to improve mood (See above list of medicines to avoid while taking Norvir.)
elagolix, a medicine used to treat pain associated with endometriosis in women.
Medicines where Norvir may increase their effect include:
alfuzosin, a medicine used to treat an increase in the size of the prostate gland (not due to cancer) (See above list of medicines to avoid while taking Norvir.)
ranolazine, a medicine used to treat angina (See above list of medicines to avoid while taking Norvir.)
amiodarone, flecainide, propafenone, ecainide, medicines to treat marked changes in heart rhythm (See above list of medicines to avoid while taking Norvir.)
bepridil, a medicine that causes blood vessels to relax and widen which improves oxygen supply to the heart and lowers blood pressure (See above list of medicines to avoid while taking Norvir.)
dronedarone, quinidine, medicines used to treat certain heart conditions (See above list of medicines to avoid while taking Norvir.)
fusidic acid, a medicine used to treat infections caused by bacteria (antibiotic) (See above list of medicines to avoid while taking Norvir.)
neratinib, a medicine used to treat breast cancer (See above list of medicines to avoid while taking Norvir.)
apalutamide, a medicine used to treat prostate cancer (See above list of medicines to avoid while taking Norvir.)
venetoclax, a medicine used to treat certain blood cancers (See above list of medicines to avoid while taking Norvir.)
colchicine, a medicine used to relieve pain in patients with gout (See above list of medicines to avoid while taking Norvir.)
astemizole, terfenadine, medicines used to treat allergies (antihistamine) (See above list of medicines to avoid while taking Norvir)
rifabutin, a medicine used to treat serious infections caused by certain bacteria (antibiotic) (See above list of medicines to avoid while taking Norvir.)
blonanserin, clozapine, lurasidone, pimozide, medicines used to treat certain mental and emotional conditions (See above list of medicines to avoid while taking Norvir.)
dihydroergotamine, ergometrine, ergotamine medicines used to treat migraine and headaches (See above list of medicines to avoid while taking Norvir.)
methylergometrine a medicine used in childbirth (See above list of medicines to avoid while taking Norvir)
cisapride, a medicine used to treat reflux or indigestion (See above list of medicines to avoid while taking Norvir.)
lovastatin, simvastatin, lomitapide, medicines used to lower cholesterol (See above list of medicines to avoid while taking Norvir.)
salmeterol, a medicine used to treat severe lung conditions, including asthma and chronic obstructive pulmonary disease (COPD) (See above list of medicines to avoid while taking Norvir.)
piroxicam, a medicine used to treat the symptoms of arthritis (See above list of medicines to avoid while taking Norvir.)
sildenafil, when used to treat high blood pressure in the lungs (See above list of medicines to avoid while taking Norvir.)
pethidine, a medicine used in surgery, during childbirth and to treat strong pain (See above list of medicines to avoid while taking Norvir.)
dextropropoxyphene, a medicine used to treat pain (See above list of medicines to avoid while taking Norvir.)
clorazepate, diazepam, estazolam, flurazepam, midazolam, triazolam, zolpidem, medicines that work in the brain to help you sleep (See above list of medicines to avoid while taking Norvir.)
lignocaine, a medicine taken to treat irregular heart beats
disopyramide, mexiletine, medicines used to treat marked changes in heart rhythm
efavirenz, saquinavir, aprenavir, indinavir, nelfinavir, tipranavir, atazanavir, darunavir, fosamprenavir, maraviroc, medicines used to treat HIV
simeprevir, glecaprevir, pibrentasvir, medicines used to treat hepatitis C
fentanyl, hydrocodone, oxycodone, tramadol, medicines used to treat strong pain
alfentanil, a medicine used to treat strong pain or to put you to sleep while you have a procedure or operation
methadone, a medicine used to treat strong pain and to help with addiction to drugs like heroin
digoxin, a medicine used to treat certain heart conditions
abemaciclib, tamoxifen medicines used to treat breast cancer
decatinib, ibrutinib, ivosidenib, nilotinib, fostamatinib, dasatinib, ivosidenib, medicines used to treat certain blood cancers
encorafenib, a medicine used to treat melanoma, a type of skin cancer
vincristine, vinblastine, paclitaxel, everolimus, medicines used to treat several different cancers
etoposide, a medicine used to treat certain cancers, including some blood cancers.
bromocriptine, a medicine used to treat certain conditions due to problems with hormone balance
warfarin a medicine used to thin the blood
rivaroxaban, a medicine used to prevent blood clots
trazodone, amitriptyline, imipramine, nortriptyline, trimipramine, nefazodone, sertraline, fluoxetine, venlafaxine, medicines used to treat depression
ketoconazole, itraconazole, miconazole, medicines used to treat or prevent fungal infections
clarithromycin, erythromycin, trimethoprim, medicines used to treat infections caused by bacteria (antibiotic)
bedaquiline, delamanid, rifampicin, medicines used to treat tuberculosis and other serious infections
quetiapine, chlorpromazine, haloperidol risperidone, thioridazine, clomipramine, paroxetine, medicines used to treat certain mental and emotional conditions
fluticasone, a steroid used to treat conditions of the nasal passages and asthma
budesonide, dexamethasone, prednisone, triamcinolone, steroids used in various conditions where there is inflammation
finasteride a medicine used to treat an increase in the size of the prostate gland (not due to cancer)
flutamide, a medicine used to treat prostate cancer
levonorgestrel, medroxyprogesterone, norethisterone, medicines used in certain contraceptive pills and hormone replacement therapies
testosterone, the male hormone, used when levels are low
disulfiram a medicine used to treat alcohol dependency
metronidazole, a medicine used to treat serious infections caused by bacteria and parasites
avanafil, sildenafil, tadenafil, varadenafil, when used to treat erectile dysfunction
atorvastatin, rosuvastatin, fluvastatin, pravastatin, medicines used to lower cholesterol
bosentan, a medicine used to treat high blood pressure in the lungs
triamterene, a medicine used to treat a buildup of fluid
carbamazepine, ethosuximide, medicines used to treat epilepsy to prevent convulsions, fits
clonazepam, a medicine that works in the brain used to treat anxiety and to relax muscles
buspirone, a medicine used to help relieve anxiety symptoms
loratidine, a medicine used to treat allergies (antihistamine)
ondansetron, a medicine used to treat nausea and vomiting
quinine, a medicine used to treat malaria
metoprolol, pindolol, medicines used to treat high blood pressure and other heart conditions such as abnormal heart rhythms and angina
timolol, a medicine used to reduce pressure inside the eye
amlodipine, diltiazem, felodipine, nifedipine, verapamil, medicines that cause blood vessels to relax and widen which improves oxygen supply to the heart, and lowers blood pressure
nimodipine, a medicine used in the treatment of patients who have experienced bleeding on the brain
ciclosporin, a medicine used for suppressing the immune system to treat various conditions
tacrolimus, sirolimus, medicines used to help in organ transplants
dextromethorphan, a medicine used in some cough mixtures.
Medicines where Norvir may reduce their effect include:
apalutamide, a medicine used to treat prostate cancer (See above list of medicines to avoid while taking Norvir.)
voriconazole, a medicine used to treat or prevent fungal infections (See above list of medicines to avoid while taking Norvir)
didanosine, zidovudine, raltegravir, medicines used to treat HIV
sulfamethoxazole, a medicine used to treat infections caused by bacteria (antibiotic)
alprazolam, a medicine used to treat certain mental and emotional conditions
ethinyloestradiol, a medicine used in certain contraceptive pills and hormone replacement therapies
contraceptive patch, a small sticky patch that releases hormones into your body through your skin to prevent pregnancy
bupropion, a medicine used to assist in giving up smoking cigarettes
theophylline, a medicine used to prevent and treat certain lung conditions, such as asthma, bronchitis, emphysema.
Check with your doctor or pharmacist if you are not sure about what medicines, vitaminsor supplements you are taking and if these affect Norvir.