Figure 1: Frequencies of four major ADRs in patients on various HAART (current) regimens. Tenofovir – TDF, zidovudine – AZT, lamivudine – 3TC, stavudine – d4T, nevirapine –NVP, efavirenz – EFV, LPV – lopinavir , retinavir – RTV, rifampcin, isoniazid – RH, rifampicin, isoniazid, ethambutol and pyrazinamide (RHEZ).