 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  class of drugs known as triptans. It affects a certain natural substance (serotonin) that causes narrowing of blood vessels in the brain. It may also relieve pain by affecting certain nerves in the brain.Rizatriptan does not prevent future migraines or lessen how often you get migraine attacks. How to use MAXALT MLT Read the Patient Information Leaflet if available from your pharmacist before you start taking rizatriptan and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Take this medication as directed by your doctor, at the first sign of a migraine. Handle the tablets with dry hands. Place the tablet on your tongue, allow it to dissolve, and swallow with your saliva. You do not need to take this medication with water or other liquid. It may be taken with or without food, but may work faster when it is taken on an empty stomach. Do not break or crush the tablets. If you are using the individually wrapped tablets, do not open the outer pouch until the dose is needed. Peel the foil back and carefully remove the tablet from the blister pack immediately before taking your dose. If you are using the tablets from a bottle, leave the tablets in the bottle they came </s>