all of sudden emtricitabine and tenofovir (Oral route) em-trye-SYE-ta-been, ten-OF-oh-vir dye-soe-PROX-il FUE-ma-rate Oral route(Tablet) Emtricitabine/tenofovir disoproxil fumarate is not indicated for the treatment of chronic hepatitis B virus (HBV) infection and the safety and efficacy have not been established in patients co-infected with HBV and HIV-1. Severe acute exacerbations of hepatitis B have been reported in patients who are co-infected with HBV and HIV-1 and have discontinued emtricitabine/tenofovir; monitor hepatic function upon discontinuation of therapy. Emtricitabine/tenofovir disoproxil fumarate used for a PrEP indication is only for HIV-negative individuals; status confirmed immediately prior to initiating and periodically during use. Drug-resistant HIV-1 variants have been identified with use of emtricitabine/tenofovir disoproxil fumarate for a PrEP indication following undetected acute HIV-1 infection . Overview Side Effects Dosage Professional Interactions More Pregnancy Warnings User Reviews Support Group Q & A Commonly used brand name(s) In the U.S. Truvada Available Dosage Forms: Tablet Therapeutic Class: Antiretroviral Agent Pharmacologic Class: Nucleoside Reverse Transcriptase Inhibitor Slideshow 2016 New Drug Approvals: The Year That Was Uses For emtricitabine and tenofovir Emtricitabine and tenofovir disoproxil fumarate combination is used together with other medicines to treat human immunodeficiency virus (HIV) infection. HIV is the virus that causes acquired immune deficiency syndrome (AIDS). emtricitabine and tenofovir is also used as part of a complete prevention strategy (Pre-Exposure prophylaxis) to reduce the risk of getting HIV infection in adults who are at high risk. emtricitabine and tenofovir will not cure HIV infection or AIDS. It works by lowering the amount of HIV in the blood and helps the immune system. This may help delay some of the medical conditions that usually result from AIDS or HIV disease. It will not keep you from spreading HIV to other people. emtricitabine and tenofovir is available only with your doctor's prescription. Before Using emtricitabine and tenofovir In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For emtricitabine and tenofovir, the following should be considered: Allergies Tell your doctor if you have ever had any unusual or allergic reaction to emtricitabine and tenofovir or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully. Pediatric Appropriate studies have not been performed on the relationship of age to the effects of emtricitabine and tenofovir combination in children weighing less than 17 kilograms. Safety and efficacy have not been established. Geriatric Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of emtricitabine and tenofovir combination in the elderly. However, elderly patients are more likely to have age-related liver, kidney, or heart problems, which may require caution and an adjustment in the dose for patients receiving emtricitabine and tenofovir combination. Pregnancy Pregnancy Category Explanation All Trimesters B Animal studies have revealed no evidence of harm to the fetus, however, there are no adequate studies in pregnant women OR animal studies have shown an adverse effect, but adequate studies in pregnant women have failed to demonstrate a risk to the fetus. Breast Feeding There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding. Interactions with Medicines Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking emtricitabine and tenofovir, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive. Using emtricitabine and tenofovir with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines. Atazanavir Didanosine Ledipasvir Orlistat Using emtricitabine and tenofovir with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines. Darunavir Lopinavir Ritonavir Tipranavir Interactions with Food/Tobacco/Alcohol Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco. Other Medical Problems The presence of other medical problems may affect the use of emtricitabine and tenofovir. Make sure you tell your doctor if you have any other medical problems, especially: Bone fracture, history of or Kidney disease (eg, acute renal failure, Fanconi syndrome), history of or Liver disease (eg, hepatitis B infection), history of or Osteomalacia (soft bones), history of or Osteoporosis (weak or brittle bones), history of Use with caution. May make these conditions worse. Kidney disease, severe or requiring hemodialysis or Unknown or positive HIV-1 status (for Pre-Exposure prophylaxis) Should not be used in patients with these conditions. Proper Use of emtricitabine and tenofovir Take emtricitabine and tenofovir exactly as directed by your doctor . Do not use more of it, do not use it more often, and do not use it for a longer time than your doctor ordered. emtricitabine and tenofovir comes with a Medication Guide. Read and follow these instructions carefully. Read it again each time you refill your prescription in case there is new information. You should talk to your doctor if you have any questions. Keep using emtricitabine and tenofovir for the full time of treatment , even if you or your child begin to feel better. It is also important that you continue taking all of the medicines that your doctor has given you for HIV infection. emtricitabine and tenofovir can be taken with or without food. Swallow the tablet whole. Do not crush, break, or chew it. Do not change the dose or stop using emtricitabine and tenofovir without checking first with your doctor . When your supply of emtricitabine and tenofovir is running low, contact your doctor or pharmacist ahead of time. Do not allow yourself to run out of emtricitabine and tenofovir. Dosing The dose of emtricitabine and tenofovir will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of emtricitabine and tenofovir. If your dose is different, do not change it unless your doctor tells you to do so. The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine. For oral dosage form (tablets): For treatment of HIV infection: Adults and children weighing 35 kilograms (kg) or over One tablet once a day. Each tablet contains 200 milligrams (mg) of emtricitabine and 300 mg of tenofovir. Children weighing 17 kg to less than 35 kg and who are able to swallow a whole tablet One tablet once a day. Your doctor will determine your dose based on body weight. Each tablet contains 167 mg of emtricitabine and 250 mg of tenofovir, 133 mg of emtricitabine and 200 mg of tenofovir, or 100 mg of emtricitabine and 150 mg of tenofovir. Children weighing less than 17 kg Use and dose must be determined by your doctor. For prevention of HIV infection (Pre-exposure prophylaxis): Adults One tablet once a day. Each tablet contains 200 milligrams (mg) of emtricitabine and 300 mg of tenofovir. Children Use and dose must be determined by your doctor. Missed Dose If you miss a dose of emtricitabine and tenofovir, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses. Storage Keep out of the reach of children. Do not keep outdated medicine or medicine no longer needed. Ask your healthcare professional how you should dispose of any medicine you do not use. Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing. Keep the medicine in the original bottle that you were given at the pharmacy and keep it tightly closed. Precautions While Using emtricitabine and tenofovir It is very important that your doctor check the progress of you or your child at regular visits to make sure that emtricitabine and tenofovir is working properly. Blood and urine tests may be needed to check for unwanted effects. You should remain under the care of a doctor while taking emtricitabine and tenofovir. You should not use emtricitabine and tenofovir if you or your child are also taking adefovir (Hepsera ) and medicines containing similar drugs, including Atripla , Complera , Descovy , Emtriva , Genvoya , Odefsey , Stribild , Vemlidy , or Viread . Do not use emtricitabine and tenofovir if you are also using medicines containing lamivudine (eg, Combivir , Dutrebis , Epivir , Epivir-HBV , Epzicom , Triumeq , Trizivir ). Tell your doctor right away if you or your child are using any of these medicines. Do not start using emtricitabine and tenofovir combination until your doctor tells you to. Two rare but serious reactions to emtricitabine and tenofovir are lactic acidosis (too much acid in the blood) and liver toxicity, which includes an enlarged liver. These are more common if you are female, very overweight (obese), or have been taking anti-HIV medicines for a long time. Check with your doctor right away if you or your child have abdominal or stomach discomfort, decreased appetite, diarrhea, fast, shallow breathing, general feeling of discomfort, muscle pain or cramping, nausea, shortness of breath, sleepiness, unusual tiredness or weakness, or yellow eyes or skin. emtricitabine and tenofovir may cause rare, but serious, liver problems. This is more common in patients with a history of hepatitis B infection or those who already have liver disease. Check with your doctor right away if you have clay-colored stools, dark urine, a decreased appetite, a fever, a headache, itching, nausea and vomiting, a skin rash, stomach pain or tenderness, swelling of the feet or lower legs, unusual tiredness or weakness, or yellow eyes or skin. emtricitabine and tenofovir is not for the treatment of hepatitis B virus infection . Patients infected with both HBV and HIV who take emtricitabine and tenofovir combination need close medical follow-up for several months after stopping treatment to make sure their hepatitis B infection does not get worse. emtricitabine and tenofovir may cause kidney problems. Avoid using other medicines that may injure the kidneys, such as multiple or high-dose NSAID pain medications or certain other antiviral medications. emtricitabine and tenofovir may also increase your risk of developing fractures (broken bones). Ask your doctor about this if you or your child have any concerns. Your immune system may get stronger when you start taking HIV medicines. Tell your doctor right away if you or your child notice any changes in your health. Sometimes the immune system will start to fight infections that were hidden in your body, such as pneumonia, herpes, or tuberculosis. Autoimmune disorders (including Graves disease, polymyositis, and Guillain-Barré syndrome) may also occur. emtricitabine and tenofovir does not decrease the risk of transmitting the HIV infection to others through sexual contact or by contaminated blood. Make sure you understand and practice safe sex, even if your partner also has HIV. Avoid sharing needles with anyone. If you have any questions about this, check with your doctor. If you are using emtricitabine and tenofovir for Pre-Exposure prophylaxis : You should be confirmed that you are HIV-negative before you start taking emtricitabine and tenofovir. You and your partner should be tested regularly (for at least 3 months) for HIV-1. You should also be tested regularly for other sexually transmitted disease, including syphilis or gonorrhea. Check with your doctor right away if you have a fever, headache, joint or muscle pain, a rash, night sweats, or swollen lymph nodes. Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements. emtricitabine and tenofovir Side Effects Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur: More common Blisters under the skin body aches or pain difficulty in breathing ear and nasal congestion fever and chills loss of voice pain or tenderness around the eyes and cheekbones rash with flat lesions or small raised lesions on the skin redness of the skin runny nose sore throat spots on your skin resembling a blister or pimple unusual tiredness or weakness Less common Blindness or vision changes burning of the face or mouth burning, crawling, itching, numbness, painful, prickling, "pins and needles", or tingling feelings in the hands, arms, feet, or legs chest pain clumsiness or unsteadiness stabbing pain weakness in the hands or feet Incidence not known Agitation bloating bloody or cloudy urine bone pain change in how much or how often you urinate coma confusion constipation cough darkened urine difficult or painful urination difficulty in swallowing fast heartbeat fast, shallow breathing general feeling of discomfort increased blood pressure increased thirst indigestion irritability itching skin, hives, welts lethargy loss of appetite lower back or side pain muscle pain or cramping muscle twitching pains in the stomach, side, or abdomen, possibly radiating to the back puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue rapid weight gain seizures sleepiness stomach pain stupor sudden decrease in the amount of urine swelling of the face, fingers, hands, lower legs, or ankles tightness in the chest yellow eyes or skin Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: More common Depression diarrhea nausea Less common Acidic or sour stomach anxiety back pain belching difficulty in moving heartburn joint pain lack or loss of strength pain passing of gas stomach upset stuffy nose sweating swollen joints tiredness trouble sleeping vomiting weight loss Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional. Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088. Side Effects (complete list) The information contained in the Truven Health Micromedex products as delivered by Drugs.com is intended as an educational aid only. It is not intended as medical advice for individual conditions or treatment. It is not a substitute for a medical exam, nor does it replace the need for services provided by medical professionals. Talk to your doctor, nurse or pharmacist before taking any prescription or over the counter drugs (including any herbal medicines or supplements) or following any treatment or regimen. Only your doctor, nurse, or pharmacist can provide you with advice on what is safe and effective for you. The use of the Truven Health products is at your sole risk. These products are provided "AS IS" and "as available" for use, without warranties of any kind, either express or implied. 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Next Side Effects Print this page Add to My Med List More about emtricitabine/tenofovir Side Effects During Pregnancy Dosage Information Drug Interactions Support Group 16 Reviews Add your own review/rating Drug class: antiviral combinations Consumer resources Emtricitabine and tenofovir Emtricitabine and Tenofovir Disoproxil Fumarate Other brands: Truvada , AccessPak for HIV PEP Basic Professional resources Emtricitabine and Tenofovir Disoproxil Fumarate (Wolters Kluwer) Related treatment guides HIV Infection Nonoccupational Exposure Occupational Exposure Pre-Exposure Prophylaxis} Drug Status Rx Availability Prescription only B Pregnancy Category No proven risk in humans N/A CSA Schedule Not a controlled drug Approval History Drug history at FDA Drug Class Antiviral combinations Related Drugs Pre-Exposure Prophylaxis Truvada , emtricitabine / tenofovir , AccessPak for HIV PEP Basic , More... HIV Infection Truvada , Atripla , Norvir , Viread , Isentress , Prezista , More... Occupational Exposure Truvada , Atripla , Viread , Isentress , lamivudine , abacavir , More... Nonoccupational Exposure Truvada , Atripla , Viread , lamivudine , abacavir , tenofovir , More... Emtricitabine / tenofovir Rating 16 User Reviews 9.0 /10 16 User Reviews 9.0 Rate it! Help and Support Looking for answers? Ask a question or go join the emtricitabine / tenofovir support group to connect with others who have similar interests.} } be apologetic about
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