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Quick summary

Type of medicine




Active Ingredient

Loperamide Hydrochloride

Effective within

Short-term: 48 hours; IBS: 48 hours

Works by

Slows down an overactive bowel, allowing water and salts to be absorbed by the body

Side effects

Nausea, constipation, dizziness, headache

Medication details


Imodium 2mg Capsules provide fast relief from diarrhea symptoms. Their active ingredient, loperamide, effectively reduces stool frequency to help you get back on your feet. Each capsule is available in a handy, easy-to-swallow size and is suitable for people aged 12 and over.


When it comes to using IMODIUM Classic 2mg Capsules, precise adherence to dosage instructions is crucial to achieve optimal results and ensure your well-being.
For short-term diarrhoea:
For adults and children aged 12 and over, the recommended course of action is to initiate treatment with two capsules, followed by the intake of one capsule after each episode of loose bowel movement. It is important to note that the maximum daily dosage should not exceed six capsules within a 24-hour period.
For IBS diarrhoea:
For adults aged 18 and over, the regimen is similar. Begin with two capsules, and subsequently take one capsule following each instance of loose bowel movement. As with short-term diarrhoea, the total daily consumption should not surpass six capsules within a 24-hour timeframe.


At the core of IMODIUM Classic 2mg Capsules is loperamide hydrochloride, a potent agent containing 2 mg per capsule. Complementing this active ingredient are additional components that contribute to the overall formulation's effectiveness. These components include lactose, maize starch, talc, and magnesium stearate (E572). The capsule itself is expertly crafted, composed of various ingredients such as titanium dioxide (E171), black ferrous oxide (E172), yellow ferric oxide (E172), indigo carmine (E132), erythrosine (E127), and gelatin. This thoughtfully curated blend of ingredients underscores the formulation's ability to address diarrhoea effectively.

Side Effects

IMODIUM Classic 2mg Capsules are generally well-tolerated by most individuals, with mild side effects being relatively uncommon. In some instances, users may experience mild side effects such as nausea, constipation, wind, headache, and other manageable discomforts. It is essential to note that rare occurrences of allergic reactions, skin rashes, and severe constipation have been reported. Should any adverse effects arise, it is advisable to promptly consult a medical professional for guidance and appropriate steps to address these concerns.


While IMODIUM Classic 2mg Capsules are a reliable choice for addressing diarrhoea-related discomfort, certain individuals should exercise caution and consider medical advice before use. This consideration is particularly pertinent for those who:
Have previously exhibited adverse reactions to any of the ingredients present in the formulation.
Fall within the age group of children under 12 (or under 18 for individuals with IBS).
Experience severe diarrhoea subsequent to taking antibiotics.
Are currently in the midst of an inflammatory bowel condition flare-up.
Are dealing with acute dysentery or specified medical conditions.
By heeding these precautions and expert recommendations, users can ensure that their experience with IMODIUM Classic 2mg Capsules is both safe and effective, contributing to an improved sense of well-being and comfort.

Medically reviewed and published

  • This page was medically reviewed by Dr Sohaib Imtiaz, Clinical Lead on Aug 24, 2023, 3:30 pm

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Please read our FAQs page to find out more.

Can IMODIUM® Classic 2mg Capsules be utilized for IBS-related diarrhoea?

Certainly, IMODIUM® Classic 2mg Capsules offer utility in the management of diarrhoea linked to Irritable Bowel Syndrome (IBS). Adults aged 18 and over are advised to commence therapy with two capsules, followed by one capsule subsequent to each episode of loose bowel movement. While repeated use for up to two weeks is acceptable, any individual episode surpassing the 48-hour threshold necessitates medical consultation.

Are there individuals who should refrain from using IMODIUM® Classic 2mg Capsules?

Certain precautions are warranted. If a prior adverse reaction to the components is evident, or if age parameters are not met (below 12 or below 18 in the context of IBS), caution is advised. Additionally, certain medical conditions warrant abstention, warranting a comprehensive discussion with a healthcare professional.

Can pregnant or breastfeeding individuals safely consume IMODIUM® Classic 2mg Capsules?

If pregnancy is underway, anticipated, or lactation is in progress, consultation with a medical practitioner is advised prior to embarking on IMODIUM® Classic 2mg Capsules to ensure appropriateness and safety.

Does the use of IMODIUM® Classic 2mg Capsules impact daily activities, such as driving or machinery operation?

It is worth noting that IMODIUM® Classic 2mg Capsules can lead to sensations of dizziness or fatigue. Consequently, activities such as driving, cycling, or operating heavy machinery should be approached with caution during the course of therapy.

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