Gastroparesis

Gastroparesis is defined as delayed emptying of solids and liquids from the stomach into the small intestine without evidence of a blockage. This causes nausea, vomiting and abdominal pain and many of these symptoms overlap with migraine. A study found that stomach emptying was delayed in people with migraine.¹ Delayed gastric emptying and vomiting can affect the absorption and efficacy of migraine medications.¹ 

Another study found that out of 511 people with gastroparesis 36.6% reported having migraine attacks.¹