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An antispasmodic that relaxes the gut muscle to ease IBS cramps and pain. For adults with IBS diagnosed by a doctor, after an online consultation with a GPhC-registered pharmacist prescriber.
For adults with IBS diagnosed by a doctor. Not for a blocked bowel, pregnancy or breastfeeding. Yellowing of the skin or eyes means stop and see your GP.
Order before 3pm — same-day dispatch (MON - FRI)
~5 min consultation
Secure & confidential · Reviewed by a UK prescriber
Suitable age
18 years and over
Max per order
Up to 3 months
Consultation
Yes, online consultation
Alverine citrate is an antispasmodic. It relaxes the smooth muscle of the bowel, easing the cramping pain of IBS. It’s also licensed for painful diverticular disease and period pain. Spasmonal is a brand of alverine.
It’s one of several IBS antispasmodics: mebeverine and Buscopan work in different ways. See mebeverine vs Buscopan vs alverine and all our IBS treatments.
| Active ingredient | Alverine citrate 60mg or 120mg |
| Type | Antispasmodic |
| Dose | 60mg: 1 or 2 capsules, 1 to 3 times a day. 120mg: 1 capsule, 1 to 3 times a day |
| Prescription status | Prescription-only medicine, supplied after an online consultation |
| Suitable for | Adults 18+ with IBS diagnosed by a doctor |
| Price | 60mg × 60 £17.99 · 120mg × 60 £19.99 |
Who we can supply: adults 18 and over whose IBS has been diagnosed by a doctor. We don’t diagnose IBS online: if you haven’t been diagnosed, please see your GP. If you’re 60 or over, we can supply alverine for IBS you’ve had for a while, but new or changed bowel symptoms need your GP.
See your GP first (don’t use this treatment) if you have: blood in your poo, or black poo; weight loss you can’t explain, or a lump in your tummy or back passage; a change in your bowel habit and you’re 60 or over; tummy swelling or bloating that won’t go away, especially if you’re 50 or over (women); a high temperature, vomiting, or severe pain that keeps getting worse; a family history of bowel or ovarian cancer, or of coeliac or inflammatory bowel disease, and new symptoms.
Our guide to IBS red flags explains why these matter.
This service isn’t suitable if you’re pregnant or breastfeeding. Please speak to your GP or midwife.
Don’t take alverine if you have a blocked bowel (obstruction or paralytic ileus).
Tell the prescriber if you have liver problems, or have had jaundice.
They work differently, and people respond differently. Alverine relaxes the gut muscle directly; Buscopan blocks the nerve signals that cause spasm and is more likely to cause a dry mouth. See alverine vs Buscopan vs mebeverine.
Only the strength. The 120mg capsule equals two 60mg capsules. Take the strength you’re prescribed
Yes. Spasmonal is a brand of alverine citrate.
Some people notice less cramping within a few days; others need a couple of weeks. If you’re not better after 2 weeks, see your GP.
It’s licensed for period pain as well as IBS. For period pain, anti-inflammatory painkillers are usually tried first; see our period pain treatments.
Rarely. If your skin or eyes turn yellow, stop taking it and see your GP.
We don’t supply IBS medicines online in pregnancy or breastfeeding. Please speak to your GP or midwife.
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Free consultation
Online review by a UK prescriber
Next-day delivery
Order before 3pm where offered
Discreet packaging
Plain outer packaging