If youve wondered what kind of headache youre experiencing, it could be one of these:Tension headache: Very common; these can feel like someone is compressing your forehead, temples or neck. Migraine headache: These headaches can be disabling, with light and sound sensitivity, nausea and vomiting. Secondary headache: This type of headache is caused by an underlying medical condition, which can include a known illness, head injury or high or low spinal fluid pressure. It can also be the sign of a serious undiagnosed condition like a brain tumor. Hemicrania type headaches: These often only affect one side of the head.