Citalopram comes in tablet form, in 10, 20, and 40 milligrams (mg), or as a liquid solution taken orally. Your doctor will likely prescribe a 20 mg dose of citalopram, taken once a day, to start. Pictures of Buspar (Buspirone), drug imprint information, side effects for the patient. Citalopram is an antidepressant (selective serotonin reuptake inhibitor) and is used to treat depression. Learn about side effects, interactions and indications. Taking citalopram with other drugs that make you sleepy or slow your breathing can cause dangerous side effects or death. Ask your doctor before taking a sleeping pill, narcotic pain medicine, prescription cough medicine, a muscle relaxer, or medicine for anxiety, depression, or seizures. Citalopram is an antidepressant medication that is approved for the treatment of major depressive disorder (MDD). Cymbalta Side Effects: An Introduction As with any medicine, there are possible side effects with Cymbalta ® (duloxetine hydrochloride). However, not everyone who takes Cymbalta will experience side effects. Pictures of Celexa (Citalopram Hydrobromide), drug imprint information, side effects for the patient. Celexa (citalopram) is an antidepressant in a group of drugs called selective serotonin reuptake inhibitors (SSRIs). Includes Celexa side effects, interactions and indications. Citalopram oral tablet (Celexa) is used to treat depression. Learn about side effects, dosage, and more. Celexa is an antidepressant medication of the selective serotonin reuptake inhibitor (SSRI) class. Learn about Celexa dosing, symptoms, and proper use here.