Drotin-M
Drotin-M is a tablet made by Walter Bushnell that contains Drotaverine 80 mg + Mefenamic acid 250 mg. It combines Drotaverine: antispasmodic and Mefenamic acid: anti-inflammatory painkiller (nsaid).
| Ingredient (salt) | Amount |
|---|---|
| Drotaverine | 80 mg |
| Mefenamic acid | 250 mg |
Drotaverine
What it is used for
Relieves cramps of the stomach, intestine, kidney stones and periods.
How it works
An antispasmodic that relaxes smooth muscle in the gut, urinary tract and womb; used for colic and period cramps.
How to take it
Usually 40 to 80 mg up to three times a day.
Common side effects
- Nausea
- Dizziness
- Constipation
- Palpitations
Get medical help straight away if
- Fainting or very low blood pressure
- Allergic reaction
Be careful
Can cause dizziness; caution with low blood pressure.
Other medicines and interactions
May weaken levodopa.
Pregnancy and breastfeeding
Ask your doctor before use in pregnancy; not recommended while breastfeeding.
Mefenamic acid
What it is used for
Mainly used for period pain and heavy periods, and for mild to moderate pain.
How it works
An NSAID that lowers prostaglandins in the womb lining, which is why it is used for period pain and heavy periods.
How to take it
Usually 250 to 500 mg three times a day with or after food, for no more than 7 days. For periods, start on the first day of bleeding or when pain begins.
Common side effects
- Stomach pain
- Nausea
- Diarrhoea
- Heartburn
- Drowsiness
- Dizziness
Get medical help straight away if
- Diarrhoea that does not stop (stop taking it)
- Black stools
- Skin rash
- Wheezing
- Swelling of the face
Be careful
Take after food. Can upset the stomach; stop if diarrhoea or rash develops.
Other medicines and interactions
Avoid with other NSAIDs. Raises bleeding risk with warfarin and other blood thinners; can affect kidney function with diuretics and blood pressure medicines.
Pregnancy and breastfeeding
Not advised in pregnancy, especially the last three months. Usually avoided while breastfeeding; ask a doctor about alternatives.
Common questions
What is Drotin-M?
Drotin-M is a tablet by Walter Bushnell containing Drotaverine 80 mg + Mefenamic acid 250 mg.
What is Drotin-M used for?
Relieves cramps of the stomach, intestine, kidney stones and periods. Mainly used for period pain and heavy periods, and for mild to moderate pain.
How should I take Drotin-M?
Usually 40 to 80 mg up to three times a day. Usually 250 to 500 mg three times a day with or after food, for no more than 7 days. For periods, start on the first day of bleeding or when pain begins. Always follow the dose your doctor or the pack gives.
What are the side effects of Drotin-M?
Common side effects include: Nausea, dizziness, constipation, palpitations, Stomach pain, nausea, diarrhoea, heartburn, drowsiness, dizziness. Get medical help straight away for: Fainting or very low blood pressure, allergic reaction, Diarrhoea that does not stop (stop taking it), black stools, skin rash, wheezing, swelling of the face.
Does Drotin-M 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 Drotin-M in pregnancy or while breastfeeding?
Ask your doctor before use in pregnancy; not recommended while breastfeeding. Not advised in pregnancy, especially the last three months. Usually avoided while breastfeeding; ask a doctor about alternatives.
What are the substitutes for Drotin-M?
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
- Drotaverine: NHS · MedlinePlus
- Mefenamic acid: NHS · MedlinePlus
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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