10 Symptoms of Constipation

9. Headaches

Headaches have a vast range of causes, and constipation is one of them. Depending on the severity of the condition, and other factors, an individual may experience mild headaches caused by repeated straining to pass a bowel movement. In some cases, however, the underlying condition or issue causing constipation is also responsible for the headache. Severe headaches that occur when straining to have a bowel movement can be a sign of a more serious condition such as a dilated blood vessel, or aneurysm, in the brain and needs further investigation.