nervous system

Bilious Headache Causes:Indigestion, liver problems, excess bile caused by eating sweets and heat-producing foods. This bile rises toward the head and causes pain. Symptoms:One of the most severe types of headache. The mouth tastes bitter, the tongue feels dry, and the patient feels thirsty. Nausea and vomiting occur; the headache often subsides after vomiting. This … Read more