There are several approved drugs for chronic pain treatment due to different indications, including Emgality (galcanezumab-gnlm), Aimovig (Eptinezumab), Tarlige (Mirogabalin besylate), Aimovig (Erenumab-aooe), and Ajovy (Fremanezumab), Vyepti (Eptinezumab), and Pennsaid gel.