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Zavegepant, a new abortive migraine drug, is now available Zavegepant (Zavzpret), the first CGRP nasal spray for the treatment of acute migraine attacks, was approved by the FDA in March and is now readily available in all US pharmacies.. Zavegepant belongs to the family of CGRP antagonists, which work by blocking excessive amounts of the neurotransmitter CGRP. Elevated levels of CGRP are known to contribute to the development of migraines. By inhibiting its action, zavegepant can effectively stop an ongoing migraine attack. While there are already two oral CGRP medications for the acute treatment of migraines (Nurtec and Ubrelvy), zavegepant is the first nasal spray option. Nasal sprays offer several advantages, including faster onset of action compared to tablets and the ability to bypass the stomach. These benefits are particularly valuable for individuals experiencing migraines accompanied by nausea and vomiting. Clinical studies have demonstrated that zavegepant is superior to placebo in promptly eliminating all pain and the most bothersome symptom within two hours of administration. The most commonly reported bothersome symptoms associated with migraines are nausea, sensitivity to light (photophobia), and sensitivity to noise (phonophobia). Side effects of zavegepant were generally mild and infrequent. Participants in clinical trials noted an unpleasant taste in 18% of cases, compared to 4% in the placebo group. Additional side effects included nausea (4% vs. 1%), nasal discomfort (3% vs. 1%), and vomiting (2% vs. 1%). Taste-related issues have been observed with other nasal sprays used for migraines, particularly among patients who experience nausea. However, this can be easily addressed by sucking on a hard candy while using the nasal spray. Interestingly, even individuals who did not respond to other CGRP drugs may potentially benefit from zavegepant. While these drugs are similar in their mechanism of action, they are not identical, and patients often exhibit strong preferences for a particular medication within the same category. This preference phenomenon is common in other migraine drug categories such as triptans, NSAIDs, and oral CGRP drugs.