- Viagra Professional can be purchased from some online pharmacies and certain brick-and-mortar vendors without a prescription in some markets, but availability varies by country; in most regulated jurisdictions sildenafil (Viagra) is prescription-only (the UK exception is Viagra Connect 50 mg), and “Viagra Professional” is an unregistered marketing term—buying without a prescription from unregulated sellers carries safety and legal risks.
- Viagra Professional (sildenafil) is used primarily to treat erectile dysfunction; it is a phosphodiesterase type 5 (PDE5) inhibitor that increases cyclic GMP in penile tissue to enhance blood flow and facilitate erection (sildenafil formulations are also used for pulmonary arterial hypertension in different preparations).
- Usual dosage for erectile dysfunction is 50 mg taken about 1 hour before sexual activity; doses may be lowered to 25 mg or increased to 100 mg based on response and tolerance, with a maximum single dose of 100 mg per day; “Viagra Professional” is often marketed as 100 mg.
- Administered orally as a film-coated tablet (common strengths: 25 mg, 50 mg, 100 mg); other sildenafil forms (oral suspension, intravenous) exist for non-ED indications but are not routine for erectile dysfunction.
- Onset of action is typically 30–60 minutes; some products marketed as “Professional” claim faster onset, but onset can be delayed by a high-fat meal.
- Duration of action is generally up to 4–5 hours, though individual response varies; it does not produce a continuous erection.
- Avoid or limit alcohol while taking sildenafil—alcohol can worsen dizziness and low blood pressure and may reduce the medication’s effectiveness; heavy drinking increases risk of adverse effects.
- The most common side effect is headache (other frequent effects include flushing, nasal congestion, indigestion, visual changes, dizziness, and muscle aches).
- Would you like to try Viagra Professional without a prescription?
Trackable delivery9-21 days
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