NHS Choices Condition
Content supplied by NHS Choices
It is not always possible to prevent an anal fissure from occurring. However, one of the best ways you can prevent a fissure from developing is to make sure you do not become constipated.
To prevent constipation, you should:
- eat plenty of fibre - at least 18g a day
- drink plenty of water - at least 1.2 litres (6-8 glasses a day), or more when you are exercising, or when it is hot,
- never ignore the urge to go to the toilet, and
- keep active - you should be doing at least 30 minutes of physical activity a day.
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