Medicines & Supplements A to Z > Genvoya


Last updated on 12/07/2021.

Overview   |   Dosage   |    Side Effects   |   Precautions  |   Tips  |   Where To Buy  

GENERIC NAME: Emtricitabine + Elvitegravir + Tenofovir Alafenamide + Cobicistat


DRUG CLASS: Antiretrovirals

SUB CLASS: Integrase inhibitors, Nucleoside reverse transcriptase inhibitors, Nucleotide reverse transcriptase inhibitors

USED FOR: HIV infection

AVAILABLE DOSAGE FORMS: 150mg/150mg/200mg/10mg (tablets)

What is Genvoya?

Genvoya is a brand of product used to treat HIV infection. It contains Cobicistat, Elvitegravir, Emtricitabine and Tenolovir Alafenamide, which are medications that prevent human immunodeficiency virus (HIV) from multiplying in your body. Genvoya is used for the treatment of HIV infection. HIV is the virus that can cause acquired immunodeficiency syndrome (AIDS). Genvoya is not a cure for HIV infection or AIDS, however, it reduces the amount of HIV in your body so that your immune system works better.

How to use it?

Genvoya is a tablet which should be taken with food. It may be used in children over 12 and adults who weigh more than 35 kg. For the treatment of HIV-1 infection, take one tablet by mouth daily.

What are the side effects of Genvoya?

Common side effects of Genvoya include dizziness, headache, nausea, diarrhea, vomiting, stomach pain, abnormal dreams, and rash.

Who should not take Genvoya?

– People allergic to any component of the formulation.
– Patients who are currently taking medications that treat enlarged prostate, epilepsy, tuberculosis, heart disease, stomach problems, headache or migraine, high cholesterol, mental illness, anxiety or sleeping disorders.

Pharmacist Tips:

– This medication can make you dizzy. Avoid driving or operating machinery until you know how you respond to Genvoya.
– Continue to take all HIV medications exactly as prescribed by your doctor to limit the risk of transferring HIV to others.
– Use an effective barrier method, such as condoms or dental dams, during sexual activity to reduce the risk of transmission of HIV.
– Do not share personal items that may have contacted blood or other body fluids, such as needles/syringes, toothbrushes and razors.

Common dosing schedule:
Genvoya is taken once daily. Try to take it with/after the same meal each day.

This schedule is for reference only, adjustments may be made according to individual needs.

Some common medications Genvoya may interact with:
Genvoya interacts with many drugs. Do not take Genvoya if you are taking:
Alfuzosin, Cisapride, Ergotamine, Dihydroergotamine
– Anticonvulsants, e.g. Phenobarbital, Phenytoin, Carbamazepine
– Phosphodiesterase inhibitors, e.g. Sildenafil, Tadalafil, Vardenafil
– Antibiotics, e.g. Rifampicin
– Medicines for heart disease, e.g. Amiodarone, Quinidine
– HMG-CoA reductase inhibitors, e.g. Atorvastatin, Lovastatin, Simvastatin
– Benzodiazepines, e.g. Triazolam, Midazolam
– Antipsychotics, e.g. Pimozide
St. John’s Wort

Please notify your doctor or pharmacist if you are taking the above medication, dosage adjustments might be needed.

Where to buy Genvoya in Hong Kong?

In Hong Kong, Genvoya is a prescription only medicine, and requires a prescription from a doctor to be purchased in a pharmacy. It can also be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health.

For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at

Need more information?

For detailed information about the use of Genvoya in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.

Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.