You can also report side effects directly via the Yellow Card Scheme at: or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine. see section 3). Serious heart problems (symptoms of which include fast or irregular heartbeat) have been reported in patients who have taken too much loperamide, the active ingredient in IMODIUM® Instant Melts.

Since persistent diarrhoea can be an indicator of potentially more serious conditions, Imodium Instant Melts should not be used for prolonged periods until the underlying cause of the diarrhoea has been investigated. The recommended dose depends on the type of diarrhoea you have and your age. Adults (over 18), with short-term diarrhoea or IBSIf patients are taking this medicine to control episodes of diarrhoea associated with Irritable Bowel Syndrome previously diagnosed by their doctor, and clinical improvement is not observed within 48 hours, the administration of loperamide HCl should be discontinued and they should consult with their doctor. Patients should also return to their doctor if the pattern of their symptoms changes or if the repeated episodes of diarrhoea continue for more than two weeks. Loperamide is also available combined with simeticone. Simeticone is used to treat farting (flatulence or wind). Taking these medicines together helps if you have diarrhoea with painful stomach cramps and bloating.

It comes as tablets, including tablets that melt on your tongue, capsules and a liquid. The liquid is only available on prescription. The tablets that melt are called Imodium Instants or Imodium Instant Melts Your body can lose large amounts of fluids and salts when you have diarrhoea. You need to replace the fluid by drinking more liquid than usual. Ask your pharmacist about rehydration therapy to replace lost salts. This is especially important for children, and frail or older people. If your doctor prescribes loperamide for long-lasting diarrhoea, they will tell you how much to take. The usual starting dose is:

If you are constipated, or your stomach appears swollen (especially in children with severe dehydration).

This medicine contains less than 0.00003 mg of alcohol (ethanol) in each tablet. The small amount of alcohol in this medicine will not have any noticeable effects. If you have acute dysentery, the symptoms of which may include blood in your stools and a high temperature.

IMODIUM® can have side effects, like all medicines, although these don’t affect everyone and most are usually mild. Get medical help at once If you miss a dose of loperamide, do not worry. Just take a dose after you next go to the toilet and have a runny poo.

Children react more strongly to large amounts of IMODIUM® Instant Melts than adults. If a child takes too much or shows any of the above symptoms, call a doctor immediately. If you forget to take the medicineIf you forget to take a dose, take a dose after the next loose stool (bowel movement). Do not take a double dose. 4 possible side effects Do not take this product for anything other than its intended use (see section 1) and never take more than the recommended amount (see section 3). Serious heart problems (symptoms of which include fast or irregular heartbeat) have been reported in patients who have taken too much loperamide, the active ingredient in IMODIUM® Instant Melts.