Possibly lethal serotonin syndrome has been stated with SSRIs and SNRIs as monotherapy, however especially with concomitant usage of various other serotonergic drugs as well as medications that impair the metabolic rate of serotonin. [Ref]

Citalopram Hydrobromide 40 mg.

Typical (1 % to 10 %): Abnormal orgasm (girl), amenorrhea, lowered sex drive, dysmenorrhea, climaxing conditions, impotence, menstrual disorders, polyuriaUncommon (0.1 % to 1 %): Breast enhancement, breast discomfort, dysuria, galactorrhea, boosted sexual libido, menorrhagia, micturition regularity, nonpuerperal lactation, vaginal bleeding, vaginal hemorrhage, urinary system incontinence, urinary system retentionRare (much less compared to 0.1 %): Gynecomastia, hematuria, oliguriaFrequency not reported: Metrorrhagia, priapism [Ref]

Citalopram HBR 20.

Urinary loyalty as well as galactorrhea have been stated with other SSRIs. The estimates of the occurrence of unfortunate sex-related encounter as well as performance may undervalue their actual incidence, partly considering that medical professionals and also people might be unwilling to discuss this problem. In placebo-controlled medical trials climaxing ailment (mostly climaxing hold-up) was stated as a treatment-emergent negative effects at an incidence of 6 % and at least two times the occurrence in placebo-treated male patients. [Ref]

Citalopram HBR 20 mg.

Typical (10 % or even more): Increased sweatingCommon (1 % to 10 %): Rash, pruritusUncommon (0.1 % to 1 %): Abnormal bleeding of the skin, acne, alopecia, dermatitis, dry skin, eczema, photosensitivity reaction, psoriasis, purpura, skin staining, urticariaRare (much less than 0.1 %): Decreased sweating, hypertrichosis, keratitis, melanosis, pruritus aniFrequency not stated: reports: Epidermal necrolysis, erythema multiforme [Ref]