Celexa® (citalopram hydrobromide) Tablets. Suicidality and Antidepressant Drugs. Antidepressants increased the risk compared to placebo of suicidal thinking and behavior (suicidality) in children, adolescents, and young adults in short-term studies of major depressive disorder (MDD) and other psychiatric disorders.italopram HBr occurs as a fine, white to off-white powder. Citalopram HBr is sparingly soluble in water and soluble in ethanol. Celexa (citalopram hydrobromide) is available only in tablet dosage form. Celexa 10 mg are film-coated, oval tablets containing citalopram HBr in strengths equivalent to 10 mg citalopram base.