Constipation refers to bowel movements that are infrequent or hard to pass. It usually results in painful defecation and small, compact feces. Constipation is a common side effect of opioids. Symptoms of opioid-induced constipation may be reduced by increasing the amount of dietary fruit, fiber and water consumed. Laxatives may also be used for temporary relief.
Compounds within our psychoactive substance index which may cause this effect include: