Refractory migraine is a risk factor for chronic migraine, which is when you have 15 or more headache days each month for at least 3 months, with 8 of them being migraine headaches. Refractory ...
These muscles extend up right over the scalp, to the forehead, and any tension in them is often felt as a headache ... Like anyone suffering from chronic, severe headaches you should see your ...
Chronic daily headache was defined as persistent or daily headaches of at least 3 months' duration. Children with persistent headaches owing to a serious medical condition were specifically ...