Allergic myocarditis, erythema multiforme, exfoliative dermatitis, angioedema, drug fever, chills, Henoch-Schoenlein purpura, serum sickness-like syndrome, generalised allergic reactions, generalised skin eruptions, photosensitivity, conjunctival and scleral inj, pruritus, urticaria, rash, periarteritis nodosa, SLE; elevated serum transaminase and bilirubin, pseudomembranous enterocolitis, pancreatitis, stomatitis, glossitis, nausea, emesis, abdominal pain, diarrhoea, anorexia; renal failure, interstitial nephritis, elevated BUN and serum creatinine, toxic nephrosis w/ oliguria and anuria; hyperkalaemia; aseptic meningitis, convulsions, peripheral neuritis, ataxia, vertigo, tinnitus, headache; hallucinations, depression, apathy, nervousness; dieresis, hypoglycaemia; arthralgia, myalgia; rhabdomyolysis; cough, shortness of breath, pulmonary infiltrates; weakness, fatigue, insomnia; QT prolongation, haemolysis, impaired phenylalanine metabolism. Potentially Fatal: Severe...