Rated Citalopram (Celexa) for Depression Report. I started with 20mg and bumped up to 40mg after about 6 months. The 20 worked for a while, boosted my energy a lot, helped me feel better. Celexa (Citalopram) is a drug used to help treat symptoms of major depression. It is considered an SSRI (selective-serotonin reuptake inhibitor) which means it influences the serotonin in the brain to help ward off depressive symptoms. Citalopram (Celexa) is used for treating depression, obsessive-compulsive disorder (OCD), panic disorder and some eating disorders. Celexa (citalopram) is an antidepressant medication that's often prescribed to treat both mood and anxiety disorders. Celexa belongs to a class of antidepressants known as selective serotonin reuptake inhibitors (SSRIs). 10 mg PO once daily initially. Some experts recommend initial doses of 20 mg/day PO in those 12 years and older, and a few pediatric studies have used this higher starting dose in patients as young as 7 years. Hey smcs, While everyone is different, you may experience side effects from stopping the celexa from one to two weeks after stopping and may last a couple weeks. Information about citalopram (Celexa) an antidepressant drug prescribed for depression, anxiety, OCD, panic disorder, PTSD, and premenstrual dysphoric syndrome. A comprehensive guide to stopping antidepressants from RxISK's Medical Team. Celexa should be administered once daily, in the morning or evening, with or without food. Initial Treatment. Celexa (citalopram) should be administered at an initial dose of 20 mg once daily, with an increase to a maximum dose of 40 mg/day at an interval of no less than one week. Citalopram oral tablet (Celexa) is used to treat depression. Learn about side effects, dosage, and more.