The FDA approved Abacavir for medical use on 12/17/1998 for the treatment of HIV-1 infection.

Abacavir is typically used in combination with other HIV medications to manage HIV infection effectively. It works by reducing the HIV levels in the body, thereby enhancing the functioning of the immune system. This reduction in HIV levels helps to lower the risk of HIV-related complications, such as new infections and cancer, ultimately improving the overall quality of life for those affected.

Abacavir is available as a 300mg tablet in different brands administered under physician direction. Your doctor will decide the most suitable dosage for your case according to your age and physical circumstances.

 Like all medications, Abacavir may cause side effects, though not everyone will experience them. Common side effects of Abacavir include insomnia, headaches, fatigue, and nausea. Additionally, some users may experience malaise, vomiting, a range of sleep disorders, as well as infections in the ear, nose, and throat areas.

Do not take Abacavir if you are allergic to Abacavir, Trizivir, Triumeq Kivexa, or any of its ingredients.  Pregnant women should avoid using Abacavir as it can harm the unborn baby; inform your doctor if you are pregnant, suspect pregnancy, or plan to become pregnant. Breastfeeding is not recommended for women who are HIV positive and on Abacavir, as it can pass into breast milk and potentially harm the baby. Before starting the treatment, inform your physician if you have or have had hepatitis B or C infection, or kidney problems. Notify your doctor if you are significantly overweight, particularly as a woman. Abacavir may increase your chances of getting a heart attack; tell your doctor if you have heart problems, smoke, or other illnesses that may increase your risk of heart diseases, such as high blood pressure or diabetes. Report any symptoms of joint pain, stiffness, and bone problems while taking this medicine.

When considering Abacavir for HIV treatment, it's important to take various precautions. Patients with liver diseases need to use Abacavir cautiously, with possible dose adjustments, and should inform their physician of their condition before starting treatment. The safety of Abacavir in patients with lung diseases is not well-established, so it's important to discuss any lung conditions with your doctor prior to beginning therapy. The interaction of Abacavir with alcohol is unclear; inform your doctor if you consume alcoholic beverages. Additionally, since Abacavir can cause dizziness and affect alertness, patients should not drive or operate heavy machinery while taking this medication.

Follow the prescribed dosage and administration instructions provided by your healthcare professional. Inform your doctor about any known allergies or medical conditions you have before receiving Abacavir. If you notice any unexpected or severe side effects, such as difficulty breathing or an allergic reaction, seek immediate medical attention. Inform your healthcare professional about any other medications or supplements you are consuming to avoid potential drug interactions. If you have any concerns regarding the treatment, consult your healthcare professional for information. 

Do not take extra doses or medicine to make up for a missed dose. Using this medicine while you are pregnant can harm your unborn baby. Use an effective form of birth control to keep from getting pregnant. Do not breastfeed while taking this medicine.

1. Dr. Reddy’s Laboratories (UK) Ltd; Electronic medicines compendium (emc), [Revised in November 2022] [Accessed 10th August 2023], https://www.medicines.org.uk/emc/files/pil.10525.pdf
2. Aurobindo Pharma Limited, US Food and Drug Administration, [ Revised on June 2018] [ Accessed on 10th August 2023], These highlights do not include all the information needed to use ABACAVIR TABLETS safely and effectively. See full prescribing information for ABACAVIR TABLETS. ABACAVIR tablets, for oral use Initial U.S. Approval: 1998 (fda.gov)
3. KD Tripathi, Essentials of Medical Pharmacology, Antiviral drugs, 7th edition, 2013, 807-808.
4. Goodman & Gilman’s, The Pharmacological Basis of Therapeutics, Antiretroviral agents and treatment of HIV infection, 12th edition, 2011, 1635-1636.

The drug information on this page is not a substitute for medical advice. It is meant for educational purposes only. For further details, consult your doctor about your medical condition to know if you can receive this treatment.