Concept Headache is a subjective symptom and can be seen in many acute and chronic diseases.Here,we will talk about the headaches considered as main manifestation within miscellaneous diseases.Headache considered to be an accompanied symptom of other diseases is not discussed here.Concept ❖ Headache is a subjective symptom and can be seen in many acute and chronic diseases.Here,we will talk about the headaches considered as main manifestation within miscellaneous diseases.Headache considered to be an accompanied symptom of other diseases is not discussed here