No, Propranolol+Flunarizine does not help in relieving a migraine headache that has already started. It can only be used for preventing any new episode of migraine headaches.

Use of Propranolol+Flunarizine is considered to be harmful for patients with allergy to any of the ingredients or excipients of this medicine. This medicine contains propranolol, so its use should be avoided in patients with asthma, slow heart rate, abnormal heart rhythms, or heart conditions like AV block or sick sinus syndrome. Since this medicine also contains flunarizine, the use of this medicine should be avoided in patients with the history of depression or Parkinson's disease.

Propranolol+Flunarizine is given as a prophylactic treatment for the prevention of migraine headaches. Do not stop taking this medicine until advised by your doctor as it may cause your migraine episodes to return. This medicine contains propranolol and a sudden withdrawal of propranolol may cause sweating, shaking, irregular or fast heartbeat, worsening of underlying angina or heart attack. You must take Propranolol+Flunarizine exactly as advised by your doctor.

Keep Propranolol+Flunarizine in the container or the pack it came in, tightly closed. Store it according to the instructions mentioned on the pack or label. Dispose of the unused medicine. Make sure it is not consumed by pets, children and other people.