Tenofovir Alafenamide Fumarate Tablet
GENERIC NAME(S): Tenofovir Alafenamide
Your hepatitis B symptoms may get worse or become very serious if you stop taking tenofovir alafenamide. Talk with your doctor before stopping this medication. Your doctor will check liver function tests for several months after you stop.Show More
Tenofovir alafenamide is used to treat chronic hepatitis B infection, a viral infection of the liver. It works by stopping or slowing the growth of the virus. Chronic hepatitis infection can lead to serious liver damage (cirrhosis) and liver cancer.
It is not known if tenofovir alafenamide can cure hepatitis B or can prevent you from passing the virus to others. Practice "safer sex" (such as the use of latex condoms) to lower the risk of passing the virus to others.
How to use Tenofovir Alafenamide Fumarate Tablet
Before starting treatment with this medication, your doctor should test you for HIV infection. If you have HIV infection along with hepatitis B infection, tenofovir alafenamide should not be used alone since this may make it harder to treat your HIV infection. Combination drug treatment should always be used to treat HIV infection.
Read the Patient Information Leaflet if available from your pharmacist before you start taking tenofovir alafenamide, and each time you get a refill. If you have any questions, ask your doctor or pharmacist.
Take this medication by mouth with food as directed by your doctor, usually once daily.
If you are on dialysis, on your dialysis days, take your daily dose of this medication following dialysis.
The dosage is based on your medical condition, response to treatment, and other medications you may be taking. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
For the best effect, take this medication at evenly spaced times. To help you remember, take this medication at the same time every day.
Do not take more or less of this drug than prescribed or stop taking it even for a short time unless directed to do so by your doctor. Doing so may make the infection worse or harder to treat (resistant), or worsen side effects.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor right away if you have any serious side effects, including: mental/mood changes (such as depression, anxiety, confusion), signs of kidney problems (such as a change in the amount of urine), unusual thirst.
Rarely, this medication can cause severe (sometimes fatal) liver and blood problems (lactic acidosis). Tell your doctor right away if you develop symptoms of liver problems (such as nausea/vomiting that doesn't stop, loss of appetite, stomach/abdominal pain, yellowing eyes/skin, dark urine) or lactic acidosis (such as deep/rapid breathing, drowsiness, nausea/vomiting, unusual weakness).
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Before taking tenofovir alafenamide, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney problems, HIV infection, other liver problems (such as hepatitis C, cirrhosis), bone problems (such as bone disease, bone loss/osteoporosis, weak/broken bones), disease of the pancreas (pancreatitis).
During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.
It is unknown if this medication passes into breast milk. Consult your doctor before breast-feeding.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.
Do not share this medication with others.
Lab and/or medical tests (such as kidney/liver tests, urine glucose/protein, hepatitis B virus levels, blood mineral levels, bone density tests) should be done before you start taking this medication and while you are taking it. Keep all medical and laboratory appointments. Consult your doctor for more details.
If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip themissed dose. Take your next dose at the regular time. Do not double the dose to catch up.
Store in the original container at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.Information last revised May 2019. Copyright(c) 2019 First Databank, Inc.
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