<p>The incidence of dry mouth may occur which is dose-related. Abdominal pain, dry nasal and sinus mucous membranes, back pain, hypertension, palpitation, vasodilatation, flatulence, gastro-esophageal reflux, insomnia, nervousness, confusion, cough, sinusitis, bronchitis, dry skin, rash, impaired urination (hesitancy), urinary retention, etc. may be reported.</p>