Known side effects of Clonil 75 SR include Sleepiness Blurred vision Dryness in mouth Difficulty in urination Constipation Orthostatic hypotension (sudden lowering of blood pressure on standing) Weight gain Increased heart rate. Not everyone experiences these side effects.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated June 2026
This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.