Symptoms of medication overuse headaches may vary. They can depend on the type of headache being treated and the medicine used. Medication overuse headaches tend to: 
Occur every day or nearly every day. They often wake you in the early morning.
Improve with pain medicine but then return as the medicine wears off.
 Other symptoms may include: 
Nausea.
Restlessness.
Trouble concentrating.
Memory problems.
Irritability.
