citalopram, Celexa (cont.)
Omudhome Ogbru, PharmD
Omudhome Ogbru, PharmD
Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.
Medical and Pharmacy Editor:
SIDE EFFECTS: The most common side effects associated with citalopram are
Overall, between 1 in 6 and 1 in 5 persons experience a side effect. Citalopram is also associated with sexual dysfunction. Some patients may experience withdrawal reactions upon stopping citalopram. Symptoms of withdrawal include
Antidepressants increased the risk of suicidal thinking and behavior (suicidality) in short-term studies in children and adolescents with depression and other psychiatric disorders. Anyone considering the use of citalopram or any other antidepressant in a child or adolescent must balance this risk with the clinical need. Patients who are started on therapy should be closely observed for clinical worsening, suicidality, or unusual changes in behavior.
GENERIC AVAILABLE: Yes
PREPARATIONS: Tablets: 10, 20, and 40 mg. Solution: 10 mg/5 ml
STORAGE: Citalopram should be stored at room temperature, 15 to 30 C (59 to 86 F).
DOSING: The usual starting dose is 20 mg in the morning or evening. The dose may be increased to 40 mg daily after one week. A dose of 60 mg has not been shown to be more effective than 40 mg. As with all antidepressants, it may take several weeks of treatment before maximum effects are seen. Doses are often slowly adjusted upwards to find the most effective dose.
DRUG INTERACTIONS: All SSRIs, including citalopram, should not be taken with any of the mono-amine oxidase (MAO) inhibitor-class of antidepressants, for example, isocarboxazid (Marplan), phenelzine (Nardil), tranylcypromine (Parnate), selegiline (Eldepryl), and procarbazine (Matulane). Such combinations may lead to confusion, high blood pressure, tremor, and hyperactivity. If treatment is to be changed from citalopram to an MAOI or vice-versa, there should be a 14 day period without either drug before the alternative drug is started. Tryptophan, a common dietary supplement, can cause headaches, nausea, sweating, and dizziness when taken with any SSRI. Linezolid and intravenous methylene blue are also MAO inhibitors and should not be combined with citalopram.
Medically Reviewed by a Doctor on 12/26/2014
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