Instructed in new medication Allopuriniol and in S/E such as drowsiness, fever, headache, paresthesia, peripheral neuropathy, neuritis, hypersensitivity vasculitis, necrotizing angiitis, epistaxis, nausea, vomiting, diarrhea, abdominal pain, gastritis, taste loss (or perversion, dyspepsia), renal failure, uremia, agranulocytosis, anemia, aplastic anemia, thrombocytopenia, leukopenia, leukocytosis, eosinophilia, hepatitis, hepatic necrosis, hepatomegaly, cholestatic jaundice, arthralgia, myopathy, rash, exfoliative, urticarial, and purpuric lesions, erythema multiforme, severe furunculosis of nose, ichthyosis, alopecia, toxic epidermal necrolysis, ecchymoses, chills.