Episodic Migraine

Episodic migraine is 14 or fewer headache days per month, while chronic migraine is defined as 15 or more headache days per month for 3 months or more having the features of migraine headache at least 8 days per month.

Some common symptoms of episodic tension headaches, which occur less than 15 days per month include the following:

• Pain is mild to moderate with a constant pressure.
• Pain affects the front, top or sides of the head.
• Pain begins gradually and often occurs in the day.
• Pain may last from 30 minutes to several days.