Zidovudine, one of the medications in this product, can decrease bone marrow function, which may lead to low numbers of red and white blood cells. A low number of red blood cells can lead to anemia. A low number of white blood cells can decrease your body's ability to fight serious, life-threatening infections. These serious side effects occur more frequently in people with advanced HIV disease (AIDS). Seek immediate medical attention if you develop any signs of anemia (such as unusual tiredness, fast breathing, pale skin, fast heartbeat) or signs of infection (such as fever, chills, cough, persistent sore throat). Your doctor will check your blood cell counts while you are taking this medication to decrease the risk of these side effects.
Zidovudine may also cause muscle problems. Seek immediate medical attention if you develop signs of muscle problems (such as wasting or decrease in muscle size, weight loss, muscle weakness/pain/tenderness).
Rarely, lamivudine and zidovudine have caused severe (sometimes fatal) liver problems and a certain metabolic problem (lactic acidosis). Tell your doctor right away if you develop symptoms of liver problems (such as persistent nausea, vomiting, stomach/abdominal pain, pale stools, dark urine, yellowing eyes/skin, unusual tiredness), or of lactic acidosis (such as stomach discomfort, nausea, vomiting, fast/difficult breathing, drowsiness, muscle pain, weakness, cold skin). These serious side effects may occur more often in women and obese patients.
If you have hepatitis B infection and HIV, you may have a serious worsening of hepatitis symptoms if you stop taking lamivudine. Talk with your doctor before stopping this medication. Your doctor will monitor liver tests for several months after you stop lamivudine. Tell your doctor right away if you develop symptoms of worsening liver problems.
This product contains 2 drugs: lamivudine and zidovudine. It 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. Both lamivudine and zidovudine belong to a class of drugs known as nucleoside reverse transcriptase inhibitors (NRTIs).Lamivudine/zidovudine is not a cure for HIV infection. To decrease your risk of spreading HIV disease to others, continue to take all HIV medications exactly as prescribed by your doctor. Use an effective barrier method (latex or polyurethane condoms/dental dams) during sexual activity as directed by your doctor. 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 Combivir
Read the Patient Information Leaflet if available from your pharmacist before you start taking lamivudine/zidovudine, and each time you get a refill. If you have any questions, consult your doctor or pharmacist.
Take this medication by mouth with or without food, usually 2 times daily or as directed by your doctor. Take this medication with a full glass of water (8 ounces/240 milliliters) unless your doctor directs you otherwise.
Because this combination product has fixed doses of lamivudine and zidovudine, it should only be used if your doctor has determined that the doses of both medications in this product are right for you. This product is not to be used in children weighing less than 30 kilograms (66 pounds).
It is very important to continue taking this medication (and other HIV medications) exactly as prescribed by your doctor. Do not skip any doses. Do not increase your dose, take this drug more often than prescribed, or stop taking it (or other HIV medicines) even for a short time unless directed to do so by your doctor. Skipping or changing your dose without approval from your doctor may cause the amount of virus to increase, make the infection more difficult to treat (resistant), or worsen side effects.
For the best effect, take this medication at evenly spaced times. To help you remember, take this medication at the same times every day.
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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.