Bluemen 25 mg is a medication that contains Sildenafil citrate, which is commonly used to treat erectile dysfunction (ED) in men. Below is detailed information about Bluemen 25 mg: Active Ingredient Sildenafil Citrate: A phosphodiesterase type 5 (PDE5) inhibitor that helps increase blood flow to the penis, enabling an erection when sexually stimulated.   Uses Erectile Dysfunction (ED): Helps men achieve and maintain an erection. Pulmonary Arterial Hypertension (PAH) (off-label): Occasionally used to manage high blood pressure in the lungs, though Bluemen is primarily intended for ED.   How It Works Sildenafil prevents the PDE5 enzyme from degrading cyclic GMP (cGMP), which relaxes blood arteries and increases blood flow. During sexual stimulation, this movement increases blood flow to the penis, resulting in a solid erection.   Side Effects Common Side Effects: Headache Flushing (redness/warmth in the face) Dizziness Indigestion Nasal congestion Rare but Serious Side Effects: Vision changes (blurred vision or blue-tinted vision) Sudden hearing loss Prolonged or painful erection (priapism) Severe drop in blood pressure   Interactions Avoid taking the following medications:  alpha-blockers (like tamsulosin) and nitrates (like isosorbide and nitroglycerin). Additional ED drugs, such as tadalafil  Other Interactions: Alcohol: Can increase the risk of dizziness. Certain antibiotics or antifungals (e.g., erythromycin, ketoconazole).   Storage Maintain at 20–25°C room temperature. Keep out of direct sunlight and dampness and store in a cool, dry location.   Availability Bluemen 25 mg can be purchased online or with a prescription. To steer clear of fake drugs, make sure you buy it from a reliable supplier.