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Colofac

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Colofac (Mebeverine) is an antispasmodic medication used to treat the symptoms of irritable bowel syndrome (IBS) and similar conditions. It acts directly on the muscles of the gut wall to relieve spasms, cramps, and bloating without affecting normal bowel motility.


Ingredient
Availability
In Stock
Delivery Time
Airmail (14-21 days) | EMS trackable (5-9 days)
Product is shipped in a fully discreet envelope with no content disclosure, including all required documentation inside

Product Sheet

Active Ingredient(s)
Mebeverine
Reference Brand
Colofac
Manufacturer
Mylan
Product Form
Tablet, Capsule
Regulatory Classification
OTC
Primary Category
Digestive Relief, Muscle Spasm Relief
Product Category
Antispasmodics, Synthetic anticholinergics, Esters with tertiary amino group
Pharmacological Class
Antispasmodic
Manufacturer Description
Relieves abdominal pain and cramps associated with Irritable Bowel Syndrome (IBS).
Mechanism of Action
It works directly on the smooth muscles of the digestive tract, causing them to relax. This relieves pain, cramps, and spasms associated with IBS without affecting normal gut movement.
Route of Administration
Oral
Onset Time
20-60 minutes
Duration
6-8 hours
Contraindications
Paralytic ileus, Hypersensitivity to mebeverine
Severe Adverse Events
Angioedema, Severe allergic reaction, Swelling of the face or lips
Common Side Effects
Indigestion, Heartburn, Dizziness
Uncommon Side Effects
Mild skin rash, Itching
Drug Interactions
No significant drug interactions commonly reported
Pregnancy Safety Warnings
Not recommended during pregnancy or breastfeeding.
Age Restrictions
Not recommended for children under 10.
Storage Guidelines
Store in a dry place below 25°C.
Related Products
Buscopan, Peppermint oil, Alverine

Colofac FAQ

Can I take Colofac while traveling abroad?

Yes, but keep the medication in its original packaging, carry a copy of the prescription, and be aware of the destination country’s regulations on controlled substances. The UK MHRA allows export of a three-month supply for personal use.

What does the imprint on a Colofac pill look like?

Colofac 135 mg tablets are typically round, white, and bear an imprint of the brand name “COLOFAC” and the dosage strength “135”. Appearance may vary slightly between manufacturers.

How does Colofac compare to other IBS treatments like peppermint oil?

Both act as antispasmodics, but mebeverine (Colofac) is a synthetic agent with a defined dosing schedule, whereas peppermint oil is a botanical product often taken in enteric-coated capsules. Clinical guidelines may recommend trying peppermint oil first in mild cases before progressing to prescription options like mebeverine.

Is a urine drug test affected by taking Colofac?

Mebeverine is not a controlled substance and does not appear on standard workplace drug screens. It should not cause a positive result for any commonly tested illicit drug.

Can I use Colofac if I have a lactose intolerance?

The tablet formulation does not contain lactose as an excipient, making it generally safe for people with lactose intolerance. Always verify the full excipient list on the patient information leaflet.

What should I do if I forget a dose before a scheduled appointment?

Contact your prescribing clinician or pharmacy for advice. In most cases, you can simply resume the regular dosing schedule without taking an extra dose.

Does Colofac have any impact on blood pressure or heart rate?

Mebeverine has minimal systemic cardiovascular effects. However, rare reports of arrhythmia exist; patients with known heart conditions should be monitored closely.

Are there any special considerations for athletes taking Colofac?

Mebeverine is not listed on the World Anti-Doping Agency (WADA) prohibited list, but athletes should disclose all medications to their sporting bodies to avoid inadvertent violations.

How long does a shelf-life of Colofac typically last?

Most tablets retain potency for 2-3 years from the date of manufacture when stored as directed. The exact expiry date is printed on the packaging and should be observed.

Colofac: Mebeverine 135 mg Pill - Digestive Health Overview

Colofac contains the active ingredient mebeverine and is marketed in the United Kingdom as a 135 mg oral pill. Mebeverine belongs to the class of spasmolytic (antispasmodic) agents that act on smooth muscle in the gastrointestinal (GI) tract. The medication is prescription-only (Rx) and regulated by the Medicines and Healthcare products Regulatory Agency (MHRA).

How Mebeverine Works in the Body

Mebeverine’s primary action is to reduce abnormal muscle spasms in the gut without affecting normal motility. It:

  • Blocks calcium influx in smooth-muscle cells, diminishing the strength of contractions.
  • Modulates cholinergic pathways, lowering excessive stimulation that leads to cramping.
  • Acts locally in the intestinal wall; systemic absorption is limited, which reduces the likelihood of central nervous system effects.

These actions help relieve the abdominal pain, cramping, and urgency that characterize functional bowel disorders such as irritable bowel syndrome (IBS).

Conditions Treated by Colofac

In the UK, Colofac is licensed for the symptomatic treatment of irritable bowel syndrome (IBS), specifically when abdominal pain and spasm are prominent features. The medication is not indicated for underlying inflammatory bowel disease, infections, or structural GI lesions.

Typical patients include adults who experience recurrent abdominal discomfort linked to bowel habits and who have already been evaluated to exclude organic pathology.

Off-Label and Investigational Uses

Current peer-reviewed evidence does not support routine off-label use of mebeverine for conditions outside of IBS. Any experimental application should be considered only under specialist supervision and within a clinical trial framework.

Who Should Use Colofac? Contraindications and Cautions

Absolute Contraindications

  • Known hypersensitivity to mebeverine or any excipients in the pill.
  • Severe liver impairment (Child-Pugh class C) where drug metabolism may be significantly altered.

Relative Contractions

  • Moderate hepatic dysfunction (Child-Pugh class B) - dose adjustment may be required.
  • Pregnancy (especially the first trimester) - data are limited; use only if benefits outweigh risks.
  • Breast-feeding - limited information; discuss with a healthcare professional.

Special Populations

  • Elderly: No specific dosage reduction is mandated, but clinicians often monitor for increased sensitivity to antispasmodics.
  • Renal impairment: No dosage change is required, but routine renal function assessment is advisable in severe cases.

Safety Profile: Side Effects and Interactions

Common Side Effects

  • Mild gastrointestinal symptoms (e.g., nausea, dry mouth) - often transient.
  • Headache - typically low-frequency.
  • Skin rash - usually mild, resolves after discontinuation.

Serious Adverse Events

  • Severe allergic reactions (angio-edema, anaphylaxis) - require immediate emergency care.
  • Cardiac arrhythmia - extremely rare but reported; monitor if patient has known cardiac disease.

Drug Interactions

Mebeverine has a modest interaction profile, but caution is warranted with:

  • CYP3A4 inhibitors (e.g., ketoconazole, clarithromycin) - may increase mebeverine plasma levels.
  • Other antispasmodics - additive smooth-muscle relaxation could exacerbate constipation.
  • Anticholinergic agents - potential for enhanced GI motility suppression.

Food and Lifestyle Interactions

  • Food: Can be taken with or without meals; no known food-dependent absorption issues.
  • Alcohol: No direct contraindication, but excessive intake may worsen GI symptoms.
  • Driving: No impairment expected; however, if dizziness occurs, use caution.

How to Take Colofac

  • Standard dose: One 135 mg pill taken three times daily (approximately every 8 hours). The exact schedule should be determined by the prescribing clinician.
  • Administration: Swallow whole with a glass of water. Do not crush or chew the pill unless advised.
  • Missed dose: Take the missed tablet as soon as remembered unless it is near the time of the next scheduled dose; do not double-dose.
  • Overdose: Symptoms may include severe nausea, vomiting, and abdominal pain. Seek urgent medical attention; supportive care is the mainstay of treatment.
  • Discontinuation: No tapering is required. Stopping abruptly may lead to a recurrence of IBS symptoms; discuss a plan with a healthcare provider.

Monitoring and Follow-Up

  • Clinical review: Reassessment after 2-4 weeks of therapy to evaluate symptom relief and tolerability.
  • Laboratory tests: Liver function tests may be performed at baseline and periodically if hepatic disease is present.
  • When to seek help: New or worsening abdominal pain, signs of an allergic reaction, or any cardiac symptoms should prompt immediate medical evaluation.

Storage and Handling

  • Store the pills at room temperature (15-25 °C), protected from moisture and direct sunlight.
  • Keep the container tightly closed and out of reach of children.
  • Do not use the medication beyond the expiry date printed on the pack.
  • Dispose of unused tablets according to local pharmacy take-back programs or follow the MHRA guidance on safe disposal.

Medication-Specific Glossary

Spasmolytic
An agent that reduces involuntary smooth-muscle contractions, relieving spasms.
Anticholinergic
A substance that blocks the action of acetylcholine on muscarinic receptors, often decreasing GI motility.
CYP3A4
A key liver enzyme that metabolizes many drugs; inhibitors can raise levels of co-administered medications.
Child-Pugh Classification
A scoring system to assess the severity of chronic liver disease, influencing drug dosing decisions.

Medical Disclaimer

This article provides educational information about Colofac (mebeverine 135 mg) and is not a substitute for professional medical advice. Treatment decisions, including use for unapproved indications, must be made under the guidance of a qualified healthcare provider. The content is intended for informational purposes and does not constitute medical recommendations. Always consult a physician before starting, stopping, or changing any medication regimen.

Information for Colofac is sourced from established medical standards and updated frequently. It is provided for general guidance and should be confirmed with a healthcare professional before use.
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