Fildena Professional is generally safe for most healthy adult men when used as prescribed, but there are important exceptions and precautions. Here’s a detailed overview: 1. Who it’s usually safe for: Adult men with erectile dysfunction who are otherwise healthy or have stable chronic conditions. Men who are not taking medications that interact dangerously with sildenafil, such as Fildena Professional or certain blood pressure drugs. Those who follow dosing instructions (typically 50–100 mg taken about 30–60 minutes before sexual activity, not more than once per 24 hours). 2. Common side effects (usually mild): Headache Flushing Dizziness Nasal congestion Upset stomach 3. Serious risks (rare but important): Sudden vision or hearing loss Prolonged or painful erection (priapism) Dangerous drop in blood pressure (especially if taken with nitrates) 4. Who should avoid it: Men with heart disease, unstable angina, or recent heart attack/stroke Men taking nitrates or some alpha-blockers Severe liver or kidney problems Fildena Professional is safe for most men with ED when taken responsibly, but anyone with heart, liver, kidney issues, or on certain medications should consult a doctor first.