Migraine Symptoms; What Are the Symptoms of Migraine Headaches?

8. Excessive sweating

An additional side effect of histamines in patients with migraines is that it activates brain centers associated with anxiety, triggers the sympathetic nervous system, and interacts with the neurotransmitter acetylcholine. That is how migraines trigger excessive sweating, which may be seen only in the area of the face and neck, and this symptom may be found in the affected side only.