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Cancer Explained
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Is it safe to take a laxative during cancer treatment?

Use only the medicines and treatments for constipation that your doctor recommends. During cancer treatment, do not start a laxative on your own.

Your doctor may prescribe a laxative to prevent or relieve constipation. There are several types. Osmotics pull water into the bowel. Stool softeners soften stool by adding water and fat to it. Stimulant laxatives make the intestines contract so stool moves along. Your doctor chooses the type that is right for you, and may recommend others.

Some products can be risky. Do not use suppositories or enemas unless your doctor recommends them. Suppositories are capsules you insert into the anus, and enemas are liquid you insert into the anus. In some people with cancer they can lead to bleeding, infection, or other harmful side effects. Laxatives are also not usually used for a serious blockage called fecal impaction, since they may cause cramping and damage to the intestines.

The safest choice depends on your treatment and your other medicines. Ask your health care team before you take any laxative.

Want the full picture? Read our complete explanation: Constipation and Cancer Treatment

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