Viagra 50mg Tablets 4’s drug contains Sildenafil 50mg which treats erectile dysfunction. It works by relaxing the blood vessels in your penis hence increasing blood flow into the penis on sexual stimulation. This helps you achieve and maintain a hard, erect penis suitable for sexual activity.

• Overdose symptoms may include severe dizziness, slow heart rate, redness or tingling in your arms and legs, and feeling like you might pass out.