<unk>  has the side effects of the other common antihistamines in large part. Stimulation is somewhat more common than with other related antihistamines, and is especially common in the elderly. Common side effects include dry mouth, dizziness, drowsiness, constipation, urine retention, blurred vision, and headache. Its use in Parkinson's is especially limited by these factors. People with glaucoma, digestive problems such as peptic ulcers or bowel obstruction, or sphincter relaxation disorders, or with enlarged prostate, bladder problems, or myasthenia gravis, should not take this drug.
Orphenadrine
Halofantrine
Oxymetazoline
Erythrocrine
Acebutolol
Acetomepregenol
Minaprine
Hyoscine butylbromide