Myoril

Capsule
PRESCRIPTION MEDICINE

Myoril is a capsule that contains Thiocolchicoside 4 mg. Thiocolchicoside is a muscle relaxant: relaxes muscle spasm, for example in back pain and neck sprain.

Ingredient (salt)Amount
Thiocolchicoside4 mg

What it is used for

Relaxes muscle spasm, for example in back pain and neck sprain.

How it works

A muscle relaxant derived from the plant colchicum. It relaxes painful muscle spasm by acting on GABA receptors.

How to take it

Tablets: usually 4 to 8 mg twice a day for up to 7 days. Injections: up to 5 days. Do not exceed the prescribed dose or length.

Common side effects

  • Drowsiness
  • Diarrhoea
  • Stomach pain
  • Nausea

Get medical help straight away if

  • Fits (seizures)
  • Allergic swelling
  • Persistent diarrhoea

Be careful

Use only for a few days; not in pregnancy or breastfeeding.

Other medicines and interactions

Drowsiness is worse with alcohol and other sedatives.

Pregnancy and breastfeeding

Must not be used in pregnancy, while breastfeeding, or by women who could become pregnant and are not using contraception, because it may damage chromosomes.

Common questions

What is Myoril?

Myoril is a capsule containing Thiocolchicoside 4 mg.

What is Myoril used for?

Relaxes muscle spasm, for example in back pain and neck sprain.

How should I take Myoril?

Tablets: usually 4 to 8 mg twice a day for up to 7 days. Injections: up to 5 days. Do not exceed the prescribed dose or length. Always follow the dose your doctor or the pack gives.

What are the side effects of Myoril?

Common side effects include: Drowsiness, diarrhoea, stomach pain, nausea. Get medical help straight away for: Fits (seizures), allergic swelling, persistent diarrhoea.

Does Myoril need a prescription?

Yes. In India it is a prescription (Schedule H) medicine, so a pharmacist should sell it only with a doctor's prescription.

Can I take Myoril in pregnancy or while breastfeeding?

Must not be used in pregnancy, while breastfeeding, or by women who could become pregnant and are not using contraception, because it may damage chromosomes.

What are the substitutes for Myoril?

We have no other brand with exactly the same composition and strength in our list yet. Ask your pharmacist for an equivalent.

Sources and further reading

NHS (UK National Health Service) and MedlinePlus (US National Library of Medicine) are free, reviewed medicine guides. Brand names and doses there may differ from India.

Composition checked against pack details from large Indian online pharmacies. Last reviewed 31 October 2026. Written by Satya Babu.

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For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.