Citalopram is the generic name of the drug Celexa, an antidepressant classified as a selective serotonin reuptake inhibitor, or SSRI. It is indicated for the treatment of major depressive disorder, and is sometimes used to treat premenstrual syndrome, obsessive-compulsive disorder, anxiety and panic disorders, and post-traumatic stress disorder, according to Wolters Kluwer Health at Drugs.com. Although Citalopram may be beneficial, side effects are possible.
Sexual Side Effects
Many citalopram users experience sexual side effects, says Harvard Health Publications. Decreased interest in sex and diminished libido, performance and satisfaction may occur. Citalopram may decrease vaginal lubrication and delay or prevent orgasm in woman, and inhibit erection and ejaculation in men. Although a lower dose may alleviate sexual side effects, it can reduce the drug's effectiveness. Other alternatives include switching to or adding the antidepressant buproprion, or, for male patients, using a drug for erectile dysfunction, such as Viagra or Cialis.
Headache
Headache is experienced by 26 percent of citalopram users, according to Wolters Kluwer Health. Because citalopram affects the nervous system, other side effects, such as increased sweating, dizziness, dry mouth, sleep disturbances and shaking are common. Less frequently, leg cramps, involuntary muscle contractions, uncoordinated movement and nerve pain may occur.
Discontinuation Syndrome
Discontinuation of citalopram therapy may cause uncomfortable symptoms. Patients have reported vivid dreams, tingling and burning sensations, dizziness, loss of coordination, insomnia, fatigue and blurred vision. Less frequently, crying spells, anxiety, irritability, nausea and diarrhea occur, Harvard Health Publications says. Described as discontinuation syndrome, it is usually mild and of short duration, although some patients may experience more severe and protracted symptoms. Citalopram and other SSRIs should not be stopped abruptly.
Nausea
Nausea affects up to 21 percent of citalopram users, Wolters Kluwer Health says. The gastrointestinal tract may also be effected in other ways. Patients may experience diarrhea and indigestion, and, less frequently, tooth grinding, burping, difficulty swallowing and hiccups. Citalopram users also experienced approximately four times as many episodes of upper gastrointestinal tract bleeding than non-users.
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