Decreased libido--a side effect of carbonic anhydrase inhibitor.

Thirty-nine cases of decreased libido in glaucoma patients on carbonic anhydrase inhibitors are reported. This symptom completely reversed or markedly improved after discontinuation of the drug in all cases. Twelve of these patients restarted their carbonic anhydrase inhibitor medication which resulted in a recurrence of decreased libido symptoms. There were 3 cases of impotency which reversed after discontinuation of the drug. Most likely, these symptoms are a result of the malaise and depression occurring in some patients on carbonic anhydrase inhibitor therapy.