Known side effects of Migranex 5 10S include Sleepiness Weight gain Muscle pain Fatigue Constipation Nausea Insomnia (difficulty in sleeping) Inflammation of the nose. Not everyone experiences these side effects.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated August 2026
This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.