•It's the only NRTI that can be used safely at the same dose in people with severe kidney problems
•Available in many other HIV ARV combination tablets
•Not many drug interactions
•Can be used in children aged 3 months and older
•Available as a tablet and oral solution
•Requires a genetic test called HLA-B 5701 because the allergic reaction can be fatal
•Cannot be taken by anyone who has ever had an allergic reaction to abacavir (Ziagen)
•Not a good option for people with heart problems
•Can't be used in people with severe liver problems
•People taking methadone might need a higher dose of methadone after starting abacavir (Ziagen)