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Does Sildenafil Also Improve Breathing?*

Nirmal B. Charan, MD, FCCP
Author and Funding Information

*From the Section of Pulmonary and Critical Care Medicine, Veterans Affairs Medical Center, Boise, ID.

Correspondence to: Nirmal B. Charan, MD, FCCP, Section of Pulmonary/Critical Care Medicine (111), VA Medical Center, 500 W Fort St, Boise, ID 83702-4598; e-mail: Nirmal.Charan@med.va.gov



Chest. 2001;120(1):305-306. doi:10.1378/chest.120.1.305
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Sildenafil is being used by a number of patients with erectile dysfunction. Some of these patients also may have concomitant COPD. The effect of sildenafil on lung function is not known. Two patients with severe COPD and erectile dysfunction reported that their dyspnea improved when they took oral sildenafil for erectile dysfunction. Spirometry performed in these patients revealed an improvement in FEV1 by 24% and 12%. This suggests that, in COPD patients, oral sildenafil does not have any deleterious effect on pulmonary function, and in some patients it may produce a modest improvement in FEV1.


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