Suhagra 50 mg is a medication containing sildenafil citrate, which is a phosphodiesterase type 5 (PDE5) inhibitor used to treat erectile dysfunction (ED) in men. Common side effects of Suhagra 50 mg may include headache, flushing, dizziness, nasal congestion, indigestion, or visual disturbances. Serious side effects such as priapism (prolonged erection), sudden vision loss, or hearing loss are rare but require immediate medical attention.