No-Migrain Z is primarily used to prevent and relieve migraine attacks. The drug works to relieve symptoms associated with attacks such as nausea, dizziness, and sensitivity to light and sounds. No-Migrain Z may also be prescribed as part of a long-term treatment plan to reduce the frequency and severity of attacks based on the instructions of the specialist doctor. It is always advisable to follow the dosage and instructions prescribed by the doctor as the dosages may vary depending on the patient's health condition and response to treatment.