Celexa and chills. It may help a little but none of . . . But now I have ceased all Celexa and have had brain chills (which feel like electric shocks) and a migraine. Other symptoms are high fever, chills, pain in the chest, difficulty in breathing, and coughing with mucus discharge. sore throat, fever, and chills; rapid weight gain; red or irritated eyes; redness . . I have been on Celexa for years . . . . . . Side Effects of Celexa Celexa side effects range from mild - like dry mouth, nausea... more