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Truvada

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Treatment & Uses
Side Effects
Treating Overdose
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Before Using

Generic Name: emtricitabine and tenofovir (em trye SYE ta been and ten OF oh vir)
Brand Names: Truvada

What is Truvada?

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Truvada contains a combination of emtricitabine and tenofovir. Emtricitabine and tenofovir are antiviral drugs that work by preventing HIV (human immunodeficiency virus) cells from multiplying in the body.

Truvada is used to treat HIV, which causes acquired immunodeficiency syndrome (AIDS). This medicine is not a cure for HIV or AIDS.

Truvada may also be used for other purposes not listed in this medication guide.

Important information about Truvada

You should not take Truvada if you are allergic to emtricitabine (Emtriva) or tenofovir (Viread).

Do not take Truvada with other medicines that also contain emtricitabine or tenofovir (Atripla, Emtriva, Viread), or lamivudine (Combivir, Epivir, Epzicom, or Trizivir).

Some people have developed a life-threatening condition called lactic acidosis while taking Truvada. Early signs of lactic acidosis generally get worse over time and this condition can be fatal. Get emergency medical help if you have even mild symptoms of lactic acidosis, such as: muscle pain or weakness, numb or cold feeling in your arms and legs, trouble breathing, stomach pain, nausea with vomiting, slow or uneven heart rate, dizziness, or feeling very weak or tired.

Truvada can cause severe or fatal liver problems. Call your doctor at once if you have symptoms such as nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, or jaundice (yellowing of the skin or eyes).

Before taking Truvada

You should not take Truvada if you are allergic to emtricitabine or tenofovir.

Do not take this medication with other medicines that also contain emtricitabine or tenofovir (Atripla, Emtriva, Viread), or lamivudine (Combivir, Epivir, Epzicom, or Trizivir).

If you have certain conditions, you may need a dose adjustment or special tests to safely use this medication. Before you take Truvada, tell your doctor if you have:

liver disease;
kidney disease;
osteopenia (low bone mineral density); or
if you also have hepatitis B infection.

FDA pregnancy category B. Truvada is not expected to be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment. HIV can be passed to the baby if the mother is not properly treated during pregnancy. Tell your doctor if you are pregnant or plan to become pregnant during treatment. Take all of your HIV medicines as directed to control your infection while you are pregnant.

Your name may need to be listed on an pregnancy registry if you become pregnant while using this medication. The purpose of this registry is to track the outcome of the pregnancy and delivery to evaluate whether Truvada had any effect on the baby.

You should not breast-feed while you are using Truvada. Women with HIV or AIDS should not breast-feed at all. Even if your baby is born without HIV, you may still pass the virus to the baby in your breast milk.

Some people have developed a life-threatening condition called lactic acidosis while taking Truvada. You may be more likely to develop lactic acidosis if you are overweight or have liver disease, if you are a woman, or if you have taken certain HIV or AIDS medications for a long time. Talk with your doctor about your individual risk.

Do not give this medicine to anyone under 18 without the advice of a doctor.

How should I take Truvada?

Take Truvada exactly as prescribed by your doctor. Do not take it in larger amounts or for longer than recommended. Follow the directions on your prescription label.

You may take this medication with or without food.

To be sure Truvada is helping your condition and not causing harmful effects, your blood will need to be tested on a regular basis. Your kidney and liver function or bone density may also need to be tested.

If you have hepatitis B you may develop liver symptoms after you stop taking Truvada, even months after stopping. Your doctor may want to check your liver function at regular visits for several months after you stop using the medicine. Do not miss any follow-up visits to your doctor.

It is important to take Truvada regularly to get the most benefit. Get your prescription refilled before you run out of medicine completely.

HIV/AIDS is usually treated with a combination of different drugs. To best treat your condition, use all of your medications as directed by your doctor. Do not change your doses or medication schedule without advice from your doctor. Every person with HIV or AIDS should remain under the care of a doctor.

Store Truvada at room temperature away from moisture and heat. Keep the tablets in their original container, along with the packet of moisture-absorbing preservative that comes with Truvada.

What happens if I miss a dose?

Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at the next regularly scheduled time. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention if you think you have used too much of this medicine. Symptoms of an Truvada overdose are not known.

What should I avoid while taking Truvada?

Avoid having unprotected sex or sharing needles, razors, or toothbrushes. Taking Truvada will not prevent you from passing HIV to other people. Talk with your doctor about safe methods of preventing HIV transmission during sex. Sharing drug or medicine needles is never safe, even for a healthy person.

Truvada side effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Truvada may cause lactic acidosis (a build-up of lactic acid in the body, which can be fatal). Lactic acidosis can start slowly and get worse over time. Get emergency medical help if you have even mild symptoms of lactic acidosis, such as:

muscle pain or weakness;
numb or cold feeling in your arms and legs;
trouble breathing;
feeling dizzy, light-headed, tired, or very weak;
stomach pain, nausea with vomiting; or
slow or uneven heart rate.

Call your doctor at once if you have any of these other serious side effects:

signs of liver damage - nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
increased thirst and urination, loss of appetite, weakness, constipation;
urinating less than usual or not at all; or
signs of infection such as fever, chills, skin lesions, or cough with yellow or green mucus.

Less serious Truvada side effects may include:

dizziness, anxiety, depressed mood;
headache, tired feeling;
sleep problems (insomnia), strange dreams;
mild nausea, vomiting, diarrhea, upset stomach;
mild itching or skin rash;
darkened skin on the palms of your hands or the soles of your feet;
joint pain, back pain;
numbness or tingly feeling;
runny or stuffy nose, cough; or
changes in the shape or location of body fat (especially in your arms, legs, face, neck, breasts, and waist).

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect Truvada?

Truvada can be harmful to the kidneys, and this effect is increased when Truvada is used together with other medicines that can harm the kidneys. Before taking this medication, tell your doctor if you have recently used:

lithium (Lithobid);
methotrexate (Rheumatrex, Trexall);
pain or arthritis medicines such as aspirin (Anacin, Excedrin), acetaminophen (Tylenol), diclofenac (Cataflam, Voltaren), etodolac (Lodine), ibuprofen (Advil, Motrin), indomethacin (Indocin), naproxen (Aleve, Naprosyn), and others;
medicines used to prevent organ transplant rejection, such as cyclosporine (Gengraf, Neoral, Sandimmune), sirolimus (Rapamune) or tacrolimus (Prograf);
IV antibiotics such as amphotericin B (Fungizone, AmBisome, Amphotec, Abelcet), amikacin (Amikin), bacitracin (Baci-IM), capreomycin (Capastat), gentamicin (Garamycin), kanamycin (Kantrex), streptomycin, or vancomycin (Vancocin, Vancoled);
antiviral medicines such as adefovir (Hepsera), cidofovir (Vistide), or foscarnet (Foscavir); or
cancer medicine such as aldesleukin (Proleukin), carmustine (BiCNU, Gliadel), cisplatin (Platinol), ifosfamide (Ifex), oxaliplatin (Eloxatin), plicamycin (Mithracin), streptozocin (Zanosar), or tretinoin (Vesanoid).

You may need dose adjustments or special tests when taking any of these medications together with Truvada.

Other medications that can affect Truvada include:

the herpes medications acyclovir (Zovirax) or valacyclovir (Valtrex);
medications to treat cytomegalovirus (CMV) such as cidofovir (Vistide), ganciclovir (Cytovene) or valganciclovir (Valcyte); or
certain other HIV medicines such as atazanavir (Reyataz), didanosine (Videx), indinavir (Crixivan), saquinavir (Invirase), lopinavir/ritonavir (Kaletra), or ritonavir (Norvir).

This list is not complete and there may be other drugs that can interact with Truvada. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about Truvada.

Every effort has been made to ensure that the information provided is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects.