See a doctor or headache specialist for a proper diagnosis
Use 100% oxygen at the start of an attack, if prescribed
Use prescribed fast-acting triptans, such as sumatriptan or zolmitriptan
Consider preventive medicines prescribed by a clinician, such as verapamil
Ask about short-term bridge treatments during a cluster period, such as corticosteroids
Avoid alcohol during a cluster period
Avoid known triggers, especially strong smells and smoking
Keep a regular sleep schedule
Stop smoking if you smoke
Use prescribed neuromodulation or nerve-block treatments if recommended
Track attack patterns and triggers in a headache diary
Seek urgent medical care for a sudden severe headache unlike your usual attacks
Seek urgent medical care for weakness, confusion, fainting, fever, or vision changes