Spasmonil Tablet: Uses, Side Effects & FAQs
Last Updated: November 10, 2026

Written by:
Shaik Ashraf Ali, B.pharmacyReviewed by:
Dr. Jay Faldu, MBBSLast updated on:10-Nov-2026
Summary
Spasmonil is a tablet for cramping stomach and bowel pain, the gripping kind that comes in waves. Most packs pair dicyclomine, which relaxes the tight muscle in your gut, with paracetamol, which eases the ache. In India it is a prescription-only medicine, so it cannot be bought without a valid doctor's prescription. It does not fix the cause of the pain; it settles the spasm and the ache while your doctor works out why it started.
Key Takeaways
- What it is: A prescription tablet that relaxes gut muscle spasms and eases the pain they cause.
- Active ingredients: Dicyclomine and paracetamol — check your pack label.
- Used for: Cramping bowel pain, including irritable bowel syndrome and colic-type cramps.
- Not meant for: Heartburn or gas, infections, or anyone allergic to its ingredients.
- Prescription: Needed in India. Take it only on a doctor's advice.
- How to take: Swallow the tablet whole with water, at the times your doctor set.
- Common side effects: Dry mouth, dizziness, blurred vision and drowsiness; usually mild and they pass.
What Is Spasmonil?
Spasmonil belongs to the antispasmodic family, usually with a painkiller in the same tablet. It is meant for belly pain that tightens and releases rather than staying steady. Other tablets with similar names have different ingredients, so check the name and the ingredients on your pack before you take it.
Spasmonil Composition (Per Tablet)
Most packs of Spasmonil contain these two medicines. The exact mix can differ, so read the label on your own pack.
| Ingredient | Type | What it does (in simple words) |
|---|---|---|
| Dicyclomine | Antispasmodic | Relaxes the tightened muscle of the gut so the cramp lets go |
| Paracetamol | Painkiller and fever reducer | Eases the ache and brings a high temperature down |
Check the exact strength printed on your pack; it may vary between variants. Do not swap packs without checking with your pharmacist.
How Does Spasmonil Work?
Think of it as loosening a clenched fist, then soothing the ache that the clenching left behind:
- Loosen the grip: Dicyclomine blocks the spots on the gut muscle where acetylcholine switches it on, so the muscle stops tightening. It also relaxes that muscle directly, so the cramp eases.
- Ease the ache: Paracetamol changes the way your body senses pain and helps bring a high temperature down.
Together they settle the spasm and make the soreness that follows feel lighter.
Uses of Spasmonil
Doctors usually prescribe Spasmonil for:
- Irritable bowel syndrome (IBS), where cramping pain is often worse after eating and better after a poo, with bloating or changed bowel habits
- Bowel colic, the waves of gripping pain you feel when the gut muscle tightens again and again
- Functional bowel disorder, where the bowel behaves out of step with no visible damage found on tests
Spasmonil does not kill bacteria or viruses, so it will not clear an infection on its own. It does not reduce stomach acid either, so it will not settle heartburn.
Stomach Cramps vs Acidity: Is Spasmonil Right for You?
| Stomach cramps (spasm) | Acidity or heartburn | |
|---|---|---|
| What it feels like | Gripping, wave-like pain that comes and goes | A burning feeling in the chest or upper belly |
| Sign or pattern | Comes in waves and may ease after passing stool | Starts after meals or at night, with burping or sour fluid in the mouth |
| Is Spasmonil suitable? | Yes, if your doctor has prescribed it | No |
| What usually helps | Treating the cause, plus a medicine that relaxes the spasm | Antacids, alginates or acid-reducing medicines, and smaller meals |
Using a spasm medicine for acidity will not stop the burning, and it only adds side effects you do not need.
How to Take Spasmonil Tablet
- Swallow the tablet whole with a glass of water.
- You can take it with or without food.
- If your doctor has asked for more than one dose a day, take them at the same times each day.
- Do not take any other medicine that contains paracetamol at the same time.
- Do not drive or use machines until you know how the tablet makes you feel.
- Do not take it for longer than your doctor advised.
How Much to Take
Your doctor decides how much and how often, based on your age, weight, symptoms and other conditions. Follow the dose on your prescription, not the dose a friend or a chemist suggests.
Never increase the dose on your own. A higher dose does not stop the cramp faster, but it does make dry mouth, blurred vision, dizziness and drowsiness worse.
This tablet is meant for adults. Dicyclomine has not been shown to be safe and effective in children. Do not give it to a child unless a paediatrician prescribes it, and never to a baby under 6 months.
If you take too many tablets, get medical help straight away, even if you feel fine. Paracetamol can harm the liver before any signs appear. Carry the strip or bottle with you, and call 112 for an ambulance or go to the nearest hospital emergency department.
What If You Miss a Dose?
Take the missed dose as soon as you remember. If the next dose is almost due, skip the missed one and carry on as usual. Never take two doses together to catch up.
How Long Does It Take to Work?
In studies of dicyclomine on its own, blood levels peak about 60 to 90 minutes after a dose. If the pain has not eased in a day or two, or it keeps coming back, see your doctor instead of taking extra tablets.
Storage
Keep the strip in a cool, dry place, away from heat and moisture, and not in the bathroom. Keep it out of reach of children, and check the expiry date before you take a tablet.
Side Effects of Spasmonil
Most people take Spasmonil without any trouble. When side effects happen, they are usually mild and settle once your body adjusts.
Common and mild:
- Dry mouth
- Dizziness
- Blurred vision
- Feeling sick
- Drowsiness and weakness
- Feeling nervous or restless
- Constipation
Rare but serious (stop the medicine and see a doctor right away):
- Hot, flushed, dry skin with a high temperature, which can be heat stroke
- Confusion, hallucinations or unusual excitement
- A fast or pounding heartbeat, or fainting
- Difficulty breathing or swallowing, or a rash, hives or swelling
- Yellowing of the eyes or skin, dark urine or pain in the upper belly
The dry mouth, blurry vision and dizziness come from dicyclomine. They are more likely at higher doses and in older people.
Who Should Not Take Spasmonil
- Anyone allergic to dicyclomine, paracetamol or any other ingredient
- Babies under 6 months of age
- Women who are breastfeeding
- People with glaucoma, or with a blocked bowel
- People with myasthenia gravis or severe ulcerative colitis
- People with reflux oesophagitis, or trouble passing urine from an enlarged prostate
- People with unstable heart problems during heavy bleeding
Precautions
Tell your doctor before taking Spasmonil if you have:
- A heart condition or high blood pressure (dicyclomine can affect your heart rate)
- An overactive thyroid
- Liver or kidney disease (paracetamol is broken down by the liver)
- A job that keeps you in strong heat (dicyclomine reduces sweating, so heat builds up)
- An upcoming surgery or dental procedure (tell the surgeon or dentist you take it)
- A habit of heavy or binge drinking (more risk of liver harm from paracetamol)
- Pregnancy, or a plan to become pregnant
- An age of 65 or above (confusion and dizziness are more likely)
Drug Interactions
| Medicine | What can happen |
|---|---|
| Other anticholinergic medicines (allergy antihistamines, some antidepressants, bladder medicines) | More dry mouth, constipation, blurred vision and trouble passing urine |
| Antacids | Antacids stop dicyclomine being absorbed properly. Do not take them at the same time. |
| Other paracetamol products (cold and flu remedies, other painkillers) | You could take a double dose by mistake, which can harm the liver |
| Warfarin and other blood thinners | Regular paracetamol can change how well they work; your doctor may check your blood |
| Metoclopramide or domperidone | Paracetamol may not work as well |
| Flucloxacillin, an antibiotic | Tell your doctor you take this tablet before you start it |
| Glaucoma eye drops | Dicyclomine can work against them and raise the pressure in your eye |
Always tell your doctor about every medicine, supplement or home remedy you are using. Alcohol adds to the drowsiness from dicyclomine, and heavy drinking raises the risk of liver harm from paracetamol.
Frequently Asked Questions About Spasmonil
When to See a Doctor
A tablet like this only settles the symptom. See a doctor quickly if you have:
- Blood in your stool, or black, tarry stools
- Weight loss you did not plan
- A hard lump or swelling in your tummy
- Severe pain that doubles you over, or a belly that is hard to touch
- Vomiting that will not stop, or you cannot pass stool or gas
- Difficulty swallowing, or pain when you swallow
The Bottom Line
Spasmonil is a tablet for cramping bowel pain. Take it exactly as your doctor set out, and never top it up with another paracetamol product. Dry mouth, dizziness and drowsiness are the usual complaints, and they mostly ease with time. If the cramps keep returning, the answer is a check-up, not a bigger dose.
References

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