Before clopidogrel can exert its anti-clotting effects, it must be converted from its inactive, pro-drug form onde posso comprar prilosec to an active drug by enzymes in the liver. Triple Therapy Prilosec clarithromycin amoxicillin The most frequent adverse reactions observed in clinical trials using combination therapy with Prilosec, clarithromycin, and amoxicillin 274 were diarrhea 14 taste perversion 10 and headache. Unusual weakness, sore tongue, numbness or tingling of the hands feet. More pronounced effect was seen among patients with preceding CV 39. Previous next Report Problems to the Food and Drug Administration You are encouraged to report negative side effects of prescription drugs to the FDA.