Taking antidiarrhoeal medicine is usually not necessary unless it is important that you shorten the length of time your diarrhoea lasts (for example, if you need to take a long-haul flight).
Diarrhoea affects almost everyone from time to time and usually clears up within a few days. However, you can help ease your symptoms by drinking plenty of fluids to avoid dehydration and eat small, light meals and avoid fatty, spicy or heavy foods.
If your diarrhoea doesn't clear up and lasts for more than a few weeks you should make an appointment with your GP for an assessment. Prolonged bouts of diarrhoea could be a sign of something more serious such as Crohn's disease or IBS, especially if you also have blood in your faeces.
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