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Viagra contains sildenafil citrate, a PDE5 inhibitor that increases blood flow to the penis when you're sexually aroused. Understanding proper usage is crucial for safety and effectiveness. This guide covers exactly how to take Viagra, including timing, dosage, and important precautions. Following MHRA guidance ensures you get the best results whilst minimising side effects. EverydayMeds offers both branded Viagra and generic sildenafil options, allowing you to choose the treatment that suits your needs and budget during checkout.
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When PDE5 is suppressed, blood is able to flow more freely through the body—including to the (you guessed it) penis.

More blood flow to the penis means harder, more satisfying erections once you're sexually stimulated.
Viagra works by blocking the PDE5 enzyme, which allows blood vessels in the penis to relax and fill with blood when you're sexually aroused. The medication doesn't create spontaneous erections - you still need sexual stimulation for it to work. The effects typically begin within 30-60 minutes and can last up to 4-6 hours, though this doesn't mean you'll have an erection for the entire duration.
Most men start with a 50mg dose, which can be adjusted to 25mg or 100mg based on effectiveness and side effects. Take your prescribed dose approximately one hour before sexual activity - this allows sufficient time for the medication to enter your bloodstream. Never take more than one tablet in a 24-hour period, regardless of whether the first dose was effective.
The timing can be flexible within the 30-60 minute window. Some men find 45 minutes works best for them, whilst others prefer taking it a full hour beforehand. You may need to experiment to find your optimal timing, but always stay within the recommended timeframe.
Viagra can be taken with or without food, but your meal choice affects how quickly it works. Light meals or an empty stomach allow faster absorption, whilst high-fat meals can delay the onset by up to an hour. If you're planning a romantic dinner, consider taking Viagra before eating, or choose lighter fare to avoid delays.
Moderate alcohol consumption is generally acceptable, but excessive drinking can reduce effectiveness and worsen side effects like dizziness. Both alcohol and sildenafil can lower blood pressure, so combining large amounts may cause concerning drops in blood pressure.
Within 30-60 minutes of taking Viagra, you may notice mild side effects like facial flushing, slight headache, or nasal congestion. These are normal responses as blood vessels throughout your body relax. The medication should help you achieve and maintain erections when sexually aroused, but won't affect your sexual desire or arousal levels.
If the medication isn't effective on your first attempt, don't increase the dose yourself. It sometimes takes several attempts to determine the right dosage and timing. Factors like stress, anxiety, or underlying health conditions can affect how well it works initially.
Never combine Viagra with nitrate medications (GTN spray, angina tablets) or recreational drugs containing nitrates ("poppers"), as this combination can cause dangerous blood pressure drops. If you take alpha-blockers for prostate problems, inform your prescriber, as dose adjustments may be necessary.
Store tablets in their original packaging below 30°C, away from moisture and direct sunlight. Don't share your medication with others, even if they have similar symptoms - each person needs individual assessment and dosing.
EverydayMeds offers both branded Viagra and generic sildenafil, containing identical active ingredients with the same safety and effectiveness profiles. The generic version provides the same therapeutic benefits at a lower cost, whilst some patients prefer the branded option. Both undergo the same rigorous quality standards and require the same prescription process through our clinical assessment.
Contact a healthcare provider immediately if you experience an erection lasting longer than four hours, sudden vision or hearing changes, or chest pain during sexual activity. These rare but serious side effects require prompt medical attention. For ongoing concerns about effectiveness or side effects, consult with your prescriber about potential dose adjustments or alternative treatments.
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