Sildenafil citrate tablets are a medication used to treat erectile dysfunction (ED) and pulmonary arterial hypertension (PAH). Sildenafil works by increasing blood flow to certain areas of the body, particularly the genitals in the case of ED and the lungs in the case of PAH. It's important to use sildenafil citrate tablets as directed by a healthcare provider, as they may have potential side effects and interactions with other medications. Consulting a healthcare professional is essential for proper diagnosis and treatment planning for conditions requiring sildenafil therapy sildenafil citrate tablets.