Celexa (citalopram) is an antidepressant in a group of drugs called selective serotonin reuptake inhibitors (SSRIs).

Celexa is used to treat depression.

Celexa may also be used for purposes not listed in this medication guide.

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  • Celexa
  • Get emergency medical help if you have any of these signs of an allergic reaction to Celexa: skin rash or hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

    Report any new or worsening symptoms to your doctor, such as: mood or behavior changes, anxiety, panic attacks, trouble sleeping, or if you feel impulsive, irritable, agitated, hostile, aggressive, restless, hyperactive (mentally or physically), more depressed, or have thoughts about suicide or hurting yourself.

    Call your doctor at once if you have:

    blurred vision, tunnel vision, eye pain or swelling, or seeing halos around lights;

    headache with chest pain and severe dizziness, fainting, fast or pounding heartbeats;

    severe nervous system reaction - very stiff (rigid) muscles, high fever, sweating, confusion, fast or uneven heartbeats, tremors, feeling like you might pass out;

    high levels of serotonin in the body - agitation, hallucinations, fever, fast heart rate, overactive reflexes, nausea, vomiting, diarrhea, loss of coordination, fainting; or

    low levels of sodium in the body - headache, confusion, slurred speech, severe weakness, vomiting, feeling unsteady.

    Common Celexa side effects may include:

    drowsiness, dizziness, weakness;

    anxiety, feeling shaky, sleep problems (insomnia);

    vision changes;

    nausea, loss of appetite, diarrhea, constipation;

    dry mouth, yawning;

    cold symptoms such as stuffy nose, sneezing, sore throat, cough;

    increased sweating;

    changes in weight; or

    decreased sex drive, impotence, or difficulty having an orgasm.

    This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

    See also: Side effects (in more detail)
  • The information at Drugs.com is not a substitute for medical advice. ALWAYS consult your doctor or pharmacist. Celexa should be administered once daily, in the morning or evening, with or without food. Initial Treatment Celexa (citalopram HBr) 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. Doses above 40 mg/day are not recommended due to the risk of QT prolongation. Additionally, the only study pertinent to dose response for effectiveness did not demonstrate an advantage for the 60 mg/day dose over the 40 mg/day dose. Special Populations 20 mg/day is the maximum recommended dose for patients who are greater than 60 years of age, patients with hepatic impairment, and for CYP2C19 poor metabolizers or those patients taking cimetidine or another CYP2C19 inhibitor. (see WARNINGS) No dosage adjustment is necessary for patients with mild or moderate renal impairment. Celexa should be used with caution in patients with severe renal impairment.