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Drugs & Medications

etravirine

COMMON BRAND NAME(S): Intelence

GENERIC NAME(S): ETRAVIRINE

Uses

Etravirine is used with other HIV medications to help control HIV infection. It helps to decrease the amount of HIV in your body so your immune system can work better. This lowers your chance of getting HIV complications (such as new infections, cancer) and improves your quality of life. This medication is usually prescribed to people who have taken other HIV medications (e.g., efavirenz, nevirapine, delavirdine) that did not work well enough to control their HIV. Etravirine is known as a non-nucleoside reverse transcriptase inhibitor (NNRTI). It blocks the virus from growing and infecting more cells.

Etravirine is not a cure for HIV infection. To decrease your risk of spreading HIV disease to others, do all of the following: (1) continue to take all HIV medications exactly as prescribed by your doctor, (2) always use an effective barrier method (latex or polyurethane condoms/dental dams) during all sexual activity, and (3) do not share personal items (such as needles/syringes, toothbrushes, and razors) that may have contacted blood or other body fluids. Consult your doctor or pharmacist for more details.

How to use etravirine

Read the Patient Information Leaflet provided by your pharmacist before you start using etravirine and each time you get a refill. If you have any questions, consult your doctor or pharmacist.

Take this medication by mouth after a meal as directed by your doctor, usually 2 times daily. Swallow the medication whole. Do not crush, chew, or split the tablets.

In children, the dosage is based on weight.

If you have trouble swallowing this medication whole, you may place your dose in a glass with about 1 teaspoonful (5 milliliters) of water to dissolve the tablet. If needed, add more water to cover the tablet. Stir the mixture well until it looks milky. Use only water to dissolve the tablet before adding other liquids. You may then add a small amount of water, orange juice, or milk to the glass and drink all of it right away. Rinse the glass with more water, orange juice, or milk and drink all of it. Rinse and drink several times to make sure you have taken the whole dose. The manufacturer says you should not mix the drug with grapefruit juice, or with warm or carbonated drinks.

It is very important to continue taking this medication (and other HIV medications) exactly as prescribed by your doctor. Do not increase your dose or take this medication more often than prescribed. Your condition will not improve any faster, and the risk of serious side effects may be increased.

Do not take less of this drug than prescribed or stop taking it (or other HIV medicines) even for a short time unless directed to do so by your doctor. Doing so may cause the amount of virus to increase and/or make the infection more difficult to treat (resistant).

This medication works best when the amount of drug in your body is kept at a constant level. Therefore, take this drug at evenly spaced intervals. To help you remember, take it at the same times each day.

Side Effects

Nausea may occur. If this effect persists or worsens, tell your doctor or pharmacist promptly.

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.

Some people may experience worsening of a previous medical condition (such as an old infection) as their immune systems improve, or develop new conditions because their immune systems have become overactive. This reaction may occur at any time (soon after starting HIV treatment or many months later). Tell your doctor right away if you have any serious side effects, including: unexplained weight loss, persistent muscle aches/weakness, joint pain, numbness/tingling of the hands/feet/arms/legs, severe tiredness, vision changes, severe/persistent headaches, signs of infection (such as fever, chills, trouble breathing, cough, non-healing skin sores), signs of an overactive thyroid (such as irritability, nervousness, heat intolerance, fast/pounding/irregular heartbeat, bulging eyes, unusual growth in the neck/thyroid known as a goiter), signs of a certain nerve problem known as Guillain-Barre Syndrome (such as difficulty breathing/swallowing/moving your eyes, drooping face, paralysis, slurred speech).

Tell your doctor right away if any of these unlikely but serious side effects occur: increased thirst/urination, change in the amount of urine, mental/mood changes (e.g., nervousness, confusion), seizures.

Get medical help right away if any of these rare but very serious side effects occur: chest/jaw/left arm pain, persistent nausea/vomiting, severe stomach/abdominal pain, dark urine, yellowing eyes/skin.

Changes in body fat may occur while you are taking this medication (e.g., increased fat in the upper back and stomach areas, decreased fat in the arms and legs). The cause and long-term effects of these changes are unknown. Discuss the risks and benefits of treatment with your doctor, as well as the possible role of exercise to reduce this side effect.

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.

Etravirine can commonly cause a mild rash that is usually not serious. The rash usually occurs during the second week of treatment and goes away in 1 to 2 weeks. However, you may not be able to tell it apart from a rare rash that could be a sign of a severe allergic reaction. Therefore, get medical help right away if you develop any rash, especially with symptoms such as fever, tiredness, muscle/joint pain, blisters, mouth sores, or red/swollen eyes.

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.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Precautions

Before taking etravirine, 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: liver disease (e.g., hepatitis B, hepatitis C).

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Children may be more sensitive to the side effects of this drug, especially rash.

During pregnancy, this medication should be used only when clearly needed. However, HIV medicines are now usually given to pregnant women with HIV. Treatment can decrease the risk of passing the HIV infection to your baby. Etravirine may be part of that treatment. Discuss the risks and benefits with your doctor.

It is not known if this medication passes into breast milk. Because breast milk can transmit HIV, do not breast-feed.

Interactions

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.

Some products that may interact with this drug include: certain anti-seizure medicines (carbamazepine, phenobarbital, phenytoin), other HIV NNRTIs (e.g., efavirenz, nevirapine, delavirdine), certain HIV protease inhibitors (atazanavir, fosamprenavir, tipranavir/ritonavir), rifampin, rifapentine, St John's wort.

Make sure your doctor is aware of all the HIV drugs you are taking. This medication may interact with other HIV medications. Your doctor may need to change your treatment or monitor you more closely if you are taking a certain combination of HIV medications. Consult your doctor or pharmacist for more details.

Other medications can affect the removal of etravirine from your body, which may affect how etravirine works. Examples include rifabutin, azole antifungals (such as itraconazole), macrolide antibiotics (such as erythromycin, clarithromycin), among others.

This drug can speed up or slow down the removal of other drugs from your body by affecting certain liver enzymes. These affected drugs include clopidogrel, medications for heart rhythm (e.g., amiodarone, disopyramide, quinidine), "blood thinners" (e.g., warfarin), certain "statin" cholesterol medications (atorvastatin, fluvastatin, lovastatin, simvastatin), organ transplant drugs (e.g., cyclosporine, sirolimus, tacrolimus), drugs to treat erectile dysfunction-ED or pulmonary hypertension (e.g., sildenafil, tadalafil), among others.

Overdose

If overdose is suspected, contact a poison control center or emergency room immediately. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.

Notes

Do not share this medication with others.

Laboratory and/or medical tests (e.g., viral load, T-cell counts) should be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details.

Keep all medical and laboratory appointments.

Missed Dose

If you miss a dose and it is within 6 hours of the time you usually take the dose, take it after a meal as soon as you remember. If it is more than 6 hours from the time you usually take the dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.

Storage

Store at room temperature at 77 degrees F (25 degrees C) away from light and moisture. Brief storage between 59-86 degrees F (15-30 degrees C) is permitted. Store this drug in its original bottle, and keep the bottle tightly closed. Each bottle should contain small pouches of a substance (desiccant) that help keep moisture in the air from damaging the drug. Do not remove desiccant pouches from bottle. Do not store in the bathroom. Keep all medicines 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 for more details about how to safely discard your product.

Information last revised July 2013. Copyright(c) 2013 First Databank, Inc.

Images

INTELENCE 25 MG TABLET
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INTELENCE 200 MG TABLET
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INTELENCE 25 MG TABLET

Identification

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This medicine is a white, oval, scored tablet imprinted with "TMC".
INTELENCE 200 MG TABLET

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This medicine is a white, oblong tablet imprinted with "T200".

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Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, expect as may be authorized by the applicable terms of use.

CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.

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