Phentermine should not be used if you have heart disease or high blood pressure
Vaccaro O, Masulli M, Nicolucci A, Bonora E, Del Prato S, Maggioni AP, Rivellese AA, Squatrito S, Giorda CB, Sesti G, Mocarelli P, Lucisano G, Sacco M, Signorini S, Cappellini F, Perriello G, Babini AC, Lapolla A, Gregori G, Giordano C, Corsi L, Buzzetti R, Clemente G, Di Cianni G, Iannarelli R, Cordera R, Lamacchia O, Zamboni C, Scaranna C, Boemi M, Iovine C, Lauro D, Leotta S, DallAglio E, Cannarsa E, Tonutti L, Pugliese G, Bossi AC, Anichini R, Dotta F, Di Benedetto A, Citro G, Antenucci D, Ricci L, Giorgino F, Santini C, Gnasso A, De Cosmo S, Zavaroni D, Vedovato M, Consoli A, Calabrese M, di Bartolo P, Fornengo P, Riccardi G, Thiazolidinediones Or Sulfonylureas Cardiovascular Accidents Intervention Trial (TOSCA.IT) study group

Fisetin reduces lipid peroxides and retains Na (+), K (+)-ATPase activities in PTE, and executes an antiepileptic role in iron-induced epileptic rat models by inhibiting oxidative stress and reduces the cognitive dysfunction related to epileptic seizures (Jharana et al., 2017)
Like any surgery, bariatric procedures carry such risks as infection