... Recurrent vomiting during an attack can also worsen dehydration.When the body lacks enough water, the colon absorbs extra fluid from stool, which makes it harder and more difficult to pass. This can lead to or worsen constipation. Dehydration is also a common trigger for migraine attacks.3. ...
Migraine and Constipation: Are Digestive Changes Linked?
... Recurrent vomiting during an attack can also worsen dehydration.When the body lacks enough water, the colon absorbs extra fluid from stool, which makes it harder and more difficult to pass. This can lead to or worsen constipation. Dehydration is also a common trigger for migraine attacks.3. ...