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Eperisone is used to relieve muscle stiffness and pain (muscle spasm) in several conditions including low back pain, painful conditions of neck, shoulder and arm and in spastic paralysis (weakness and stiffness of muscles causing loss or impairment of movement).

How it works

Eperisone belongs to a class of medications called antispasmodics or muscle relaxants. It relaxes skeletal muscles to reduce stiffness, suppresses the sensation of pain, improves blood circulation and facilitates voluntary muscle movement thereby relieving muscle cramps and reducing spasticity.

Common side effects

Vomiting, Nausea, Abdominal pain, Loss of appetite, Anemia, Constipation, Diarrhoea, Headache, Inability to empty the urinary bladder, Rash, Sleepiness


Expert advice

  • Always take eperisone after meals.
  • Consult your doctor if you have any liver disorder or are taking any other muscle relaxant medications such as methocarbamol or tolperizone hydrochloride.
  • Do not drive or operate any machinery while taking eperisone as it may cause sleepiness, weakness and dizziness or light-headedness.
  • Exercise caution if you are an elderly as dose reduction may be needed in certain cases.
  • Eperisone is not recommended in children.
  • Tell your doctor if you are or planning to become pregnant or are breastfeeding.
  • Do not take if allergic to eperisone or any of its ingredients.

Frequently asked questions


Q. Is eperisone or eperisone hydrochloride a steroid?
No. Eperisone or eperisone hydrochloride is an antispasmodic medication and is used to relieve muscle stiffness and pain. It does not have a chemical structure or mechanism of action like steroids.
Q. What is eperisone Myonal?
Myonal is the trade name for active medication eperisone. It is an antispasmodic medication and is used to relieve muscle stiffness and pain.

Content on this page was last updated on 30 September, 2016, by Dr. Varun Gupta (MD Pharmacology)