Viagra Side Effects: What You Need to Know

Viagra is generally well-tolerated, but like all medications, it can cause side effects. Understanding these helps you use it safely.

Common Side Effects

• Headache (most common, ~16% of users)
• Facial flushing
• Indigestion or heartburn
• Nasal congestion
• Dizziness
• Mild visual changes (rare)

Rare but Serious Side Effects

• Priapism (erection lasting >4 hours — medical emergency)
• Sudden vision or hearing loss
• Chest pain

Tips to Minimise Side Effects

Start with 25mg or 50mg, avoid high-fat meals before taking, and limit alcohol. Most side effects are temporary and resolve on their own.