Unpleasant metallic taste; leukopenia; flattening of T-wave; convulsive seizures, peripheral neuropathy, dizziness, vertigo, incoordination, ataxia, confusion, irritability, depression, weakness, insomnia; urticaria, erythematous rash, flushing, nasal congestion, dry mouth, fever; dysuria, cystitis, polyuria, incontinence, sense of pelvic pressure.