My Husband Is Two Weeks Into Hyperventilating Whenn Not Asleep.

My husband is two weeks into hyperventilating whenn not asleep. His BP is 178/105 he is dizzy, he stopped his Soloft for 5 days. He is back on for two days. he has hearing loss so he can't moitor his breathing by the sound of it . He has been anxious for two decades byt It's getting worse. He is backing off from his part time job after a 33 year fob as a surgical and office assist. to ENT. He has developed food allergies to wheat, kageenan, anchovies, and MSG. He has anaphalaxsis 1-2 times a weeks treated with benedryl and epi if not responding. Hospitalized once last year for this.