Who can take peppermint oil
Most adults and children aged 12 years old and over can take peppermint oil capsules for irritable bowel syndrome (IBS).
Some brands are only suitable for children aged 15 years old and above. Check the leaflet that comes with your medicine.
Who may not be able to take peppermint oil
Peppermint oil is not suitable for some people. To make sure it's safe for you, tell your doctor or pharmacist before starting to take it if you:
- have ever had an allergic reaction to peppermint oil, aspirin or any other medicine
- have liver disease or gallstones
- weigh less than 40kg (around 6st 5lbs) or are losing weight
- are allergic to peanuts, peanut oil or soya (some brands contain arachis oil, so it's best to avoid those brands)
- are 40 or over and have IBS, but have not had an attack for a while
- have noticed that the symptoms you were taking peppermint oil for have changed
- have noticed blood when you poo
- have abnormal vaginal bleeding or discharge
- have difficulty or pain when peeing
- feel sick (nausea) or are being sick (vomiting)
- look paler than your usual skin tone, and feel tired
- have recently had a high temperature
- are pregnant, or think you may be pregnant
- have digestive problems such as reflux disease, severe constipation or ulcerative colitis
- have never had stomach cramps before
- have recently travelled abroad