Reasons for early abacavir discontinuation in HIV-infected patients.

Objective: To determine incidence of and reasons for discontinuation of abacavir within the first 6 months of therapy.

Methods: Retrospective study performed in the cohort of HIV-infected adults who started abacavir in a medical unit between 1997 and December 2000. All adverse drug reactions (ADRs) (especially hypersensitivity) observed in this cohort were reported.