Moreover, the adverse reactions observed in 12 out of the 37 cases, which included rash, increased ALP and γ-GTP levels, nausea, hepatopathy, thrombocytopenia, decreased Hb levels, and vertigo, were also reported for the branded drug (Mevalotin®), and no apparent increase in their incidence was observed. This evidence concerns the gene GSTM1 and Vertigo.