Guide · 2026-08-21

Side effects of Sildenafil 100mg

Educational only. Seek care for chest pain, vision changes or severe symptoms.

Side effects of Generic Viagra: flushing, nasal congestion and headache from vasodilation; dizziness or nausea more often with dapoxetine. Dual products can stack both.

Red flags

Chest pain, sudden vision change, fainting, or erection over 4 hours: seek care. Never combine PDE5 inhibitors with nitrates.