Hyoscine butylbromide

Antispasmodic
ALSO SOLD WITHOUT PRESCRIPTION

Hyoscine butylbromide is a antispasmodic found in 1 medicine sold in India, such as Buscopan. Below: what it is for, how it works, how to take it, side effects, interactions and pregnancy advice.

Also called: hyoscine, scopolamine butylbromide

What it is used for

Relieves stomach and intestinal cramps.

How it works

Hyoscine butylbromide relaxes gut and bladder muscle, easing cramps. Little reaches the brain, so it causes less drowsiness than other forms of hyoscine.

How to take it

Adults: 10 to 20 mg up to four times a day. See a doctor if pain is not better within 2 weeks.

Common side effects

  • Dry mouth
  • Constipation
  • Fast heartbeat
  • Blurred vision

Get medical help straight away if

  • Eye pain with blurred vision
  • Inability to pass urine
  • Severe or worsening stomach pain

Be careful

Can cause dry mouth or blurred vision; caution with glaucoma.

Other medicines and interactions

Adds to the effects of other anticholinergic medicines; may weaken metoclopramide and domperidone.

Pregnancy and breastfeeding

Avoid in pregnancy and breastfeeding unless a doctor advises it.

Brands of Hyoscine butylbromide (1)

Buscopan

Common questions

What is Hyoscine butylbromide used for?

Relieves stomach and intestinal cramps.

How does Hyoscine butylbromide work?

Hyoscine butylbromide relaxes gut and bladder muscle, easing cramps. Little reaches the brain, so it causes less drowsiness than other forms of hyoscine.

How should I take Hyoscine butylbromide?

Adults: 10 to 20 mg up to four times a day. See a doctor if pain is not better within 2 weeks.

What are the side effects of Hyoscine butylbromide?

Common: Dry mouth, constipation, fast heartbeat, blurred vision. Get help straight away for: Eye pain with blurred vision, inability to pass urine, severe or worsening stomach pain.

Does Hyoscine butylbromide interact with other medicines?

Adds to the effects of other anticholinergic medicines; may weaken metoclopramide and domperidone.

Is Hyoscine butylbromide safe in pregnancy and breastfeeding?

Avoid in pregnancy and breastfeeding unless a doctor advises it.

Does Hyoscine butylbromide need a prescription in India?

It is usually sold without a prescription in India, but ask a pharmacist if you take other medicines or have a long-term illness.

Which brands contain Hyoscine butylbromide?

Buscopan.

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.

Last reviewed 31 October 2026. Written by Satya Babu from standard prescribing information.

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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.