Read the side effects of Oxyphenonium as described in the medical literature. In case of any doubt consult your doctor or pharmacist.
Gastrointestinal-
Difficulty in swallowing, nausea, vomiting, constipation and dry mouth.
Heart-
Fast/slow heart rate and abnormal heart rhythm.
Eye-
Blurred vision and sensitivity to sunlight.
Central Nervous System-
Confusion and giddiness.
Genitourinary-
Urinary retention.
Other Precautions : *Avoid excess dosage.