The first step in<unk>  diagnosis is to determine what kind of<unk>  the patient<unk> s, primary or secondary<unk>  disorder.
Primary<unk> s such as migraine,tension-type, cluster are not caused by another underlying disease, despite secondary<unk> s are caused by another underlying disorder such as trauma, tumors. For differentiating these two types of<unk> , history and physical examination are necessary, although neuroimaging and other tests may be needed as well.
Headache
Tinnitus
Otalgia
Vomiting  
Vomiting
Dizziness
Vision loss
Morning headaches