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1: Pharmacotherapy. 2002 Apr;22(4):538-41. Related Articles, Links

Citalopram-induced priapism.

Dent LA, Brown WC, Murney JD.

Department of Pharmacy Practice, School of Pharmacy and Allied Health Sciences, University of Montana, Missoula 59812, USA.

Citalopram is a relatively new selective serotonin reuptake inhibitor (SSRI) that is becoming widely administered for the treatment of depression. Selective serotonin reuptake inhibitors generally are associated with mild adverse sexual side effects; however, more serious reactions may occur. A 58-year-old man experienced priapism several hours after inadvertently taking three tablets of citalopram 20 mg, which he had mistaken for aspirin, in addition to his usual dosage of 20 mg twice/day. Three days later, he was hospitalized and treated with intracavernous phenylephrine. He ultimately required surgical intervention. Although the citalopram overdose appears to be largely responsible for the patient developing priapism, he also was taking tamsulosin 0.4 mg/day at bedtime for benign prostatic hyperplasia. As alpha1-blockers have been associated with priapism on rare occasions, tamsulosin may have been a contributing factor. The patient also had a history of priapism associated with trazodone. Health care professionals should vigilantly monitor patients who take citalopram in high dosages or in combination with other drugs associated with priapism. Patients who have a history of priapism with other drugs may be more susceptible to citalopram-associated priapism.

Publication Types:
  • Case Reports

PMID: 11939691 [PubMed - indexed for MEDLINE]