Undesirable effects known to be associated with anticholinergic therapy, but not observed with Kentera during clinical studies are anorexia, vomiting, reflux oesophagitis, decreased sweating, heat stroke, decreased lacrimation, mydriasis, tachycardia, arrhythmia, disorientation, poor ability to concentrate, fatigue, nightmares, restlessness, convulsion, intraocular hypertension and induction of glaucoma, confusion, anxiety, paranoia, hallucinations, photosensitivity, erectile dysfunction.