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. 
symptoms medication overuse headaches may vary  can depend type headache being treated medicine used  medication overuse headaches tend to:  occur day nearly day  wake early morning  improve pain medicine return medicine wears off   symptoms may include:  nausea  restlessness  trouble concentrating  memory problems  irritability
medication overuse headache