Important information You should not use Celexa if you also take pimozide, as the combination can cause problems with your heart rhythm. Do not use Celexa if you have used a MAO inhibitor in the past 14 days (such as isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, or tranylcypromine) or have received a methylene blue injection. Celexa (citalopram hydrobromide) Tablets/Oral Solution NDA 20-822/NDA 21-046 Proposed Labeling Text The molecular formula is C20H22BrFN2O and its molecular weight is 405.35. How to use Celexa. Read the Medication Guide and, if available, the Patient Information Leaflet provided by your pharmacist before you start taking citalopram and each time you get a refill. Medscape - Depression-specific dosing for Celexa (citalopram), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Celexa is an antidepressant medication of the selective serotonin reuptake inhibitor (SSRI) class. Learn about Celexa dosing, symptoms, and proper use here. Your Medication Citalopram Citalopram is also known as the brand name: Celexa Citalopram is most commonly used for depression and mood changes, but also used for eating disorders, OCD, and hot. This update provides additional information related to a previous FDA Drug Safety Communication (posted ): Abnormal heart rhythms associated with high doses of Celexa (citalopram. 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. Information about citalopram (Celexa) an antidepressant drug prescribed for depression, anxiety, OCD, panic disorder, PTSD, and premenstrual dysphoric syndrome. General Information on Dosing With Celexa Some considerations for people taking Celexa include: It usually takes several weeks (perhaps even more than a month) before feeling the beneficial effects of Celexa.