Get your prescriptions refilled before you run out of medicine completely. Efavirenz is used to treat HIV, the virus that can cause acquired immunodeficiency syndrome . eMedicineHealth does not provide medical advice, diagnosis or treatment. Efavirenz is an antiviral medicine that prevents human immunodeficiency virus from multiplying in your body. Tell your doctor if you have:This is not a complete list of side effects and others may occur. This combination medication is used to manage moderate to moderately severe pain in adults. To help you remember, take this medication at the same time every day.If any of these effects persist or worsen, tell your doctor or 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. Do not store in the bathroom. 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 Read the Patient Information Leaflet if available from your Swallow this medication whole with water. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. Tramadol, sold under the brand name Ultram among others, is an opioid pain medication used to treat moderate to moderately severe pain. 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. Examples include some drugs used to treat Efavirenz can speed up the removal of many other medications from your body, which may affect how they work. Efavirenz is an antiviral medicine that prevents human immunodeficiency virus from multiplying in your body. Keep all Do not flush medications down the toilet or pour them into a drain unless instructed to do so. If you have difficulty swallowing the capsule, it may be opened and the contents mixed gently in a small amount (1 to 2 teaspoons) of soft food such as applesauce, grape jelly, or yogurt. Do not double the dose to catch up.Store at room temperature away from light and moisture. Take your next dose at the regular time. Many people using this medication do not have serious side effects.Tell your doctor right away if any of these rare but serious side effects occur: signs of Get medical help right away if you have any very serious side effects, including: fast/irregular heartbeat, severe dizziness, This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.Call your doctor for medical advice about side effects. 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. Efavirenz is used to treat HIV, the virus that can cause acquired immunodeficiency syndrome . Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.Avoid driving or hazardous activity until you know how this medicine will affect you. Alcohol or Older adults may be more sensitive to the side effects of this drug, especially QT prolongation (see above).Some products that may interact with this drug include: a certain combination product used to treat Other medications can affect the removal of efavirenz from your body, which may affect how efavirenz works. Efavirenz is for adults and children who are at least 3 months old and weigh at least 8 pounds. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist. Swallow the remaining mixture to make sure that you get the entire dose. Your child's dose needs may change if the child gains or loses weight.Take efavirenz regularly to get the most benefit. Tramadol belongs to a group of medications called opioid analgesics and acetaminophen belongs to a group of medications called analgesics. These medications are not usually taken together. This combination product contains two medications: tramadol and acetaminophen. Severe Interactions. ©2018 WebMD, Inc. All rights reserved. Use the medicine exactly as directed.Efavirenz doses are based on weight in children. Efavirenz is for adults and children who are at least 3 months old and weigh at least 8 pounds. Swallow within 30 minutes of mixing. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.Things to remember when you fill your prescription.WebMD does not provide medical advice, diagnosis or treatment.This survey is being conducted by the WebMD marketing sciences department.All information will be used in a manner consistent with the WebMD