Uncommon side effects (occuring in 1 in 1,000 to 1 in 100 patients) • urinary tract infection • sleepiness (somnolence) • difficulty tasting (dysgeusia) • vertigo • rash • dry skin • an uncomfortable feeling in the stomach • wind (flatulence) • difficulty in completely emptying the bladder (urinary retention) • delay in passing urine (urinary hesitation) • extreme tiredness (fatigue) • increased heart beat (tachycardia) • liver problems • cough • nasal dryness • throat pain