Sildenafil Teva
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Viagra helps treat erectile dysfunction by increasing blood flow to the penis when sexually aroused. Understanding how it works, proper timing, and travel considerations ensures effective treatment. EverydayMeds offers both branded Viagra and generic sildenafil options following online consultation. This guide covers mechanism of action, dosage timing, and practical travel advice for UK patients.
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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 contains sildenafil citrate, which belongs to a class of medicines called PDE5 inhibitors. When sexually aroused, your body naturally releases nitric oxide, which increases blood flow to the penis. Viagra works by blocking the PDE5 enzyme that normally breaks down this process, helping maintain increased blood flow. Importantly, Viagra does not cause automatic erections - sexual stimulation is still required for the medication to be effective.
Viagra typically begins working within 30-60 minutes of taking it on an empty stomach. The effects can last up to 4-6 hours, though this does not mean you will have an erection for this entire time. Taking Viagra with a large or fatty meal may delay its onset of action. For optimal results, many patients find taking it 1 hour before planned sexual activity works best.
When travelling with Viagra, keep tablets in their original packaging with your name on the prescription label. Store at room temperature away from moisture and heat. For international travel, carry a letter from your prescriber confirming your prescription. Time zone changes may affect your usual dosing schedule, so plan accordingly with your healthcare provider's guidance.
Viagra is available in three strengths: 25mg, 50mg, and 100mg. Most patients start with 50mg, which can be adjusted based on effectiveness and any side effects experienced. Never take more than one dose in 24 hours, regardless of strength. At EverydayMeds, patients can choose between branded Viagra and generic sildenafil during checkout - both contain the same active ingredient.
Viagra is not suitable for everyone. It should never be taken with nitrate medications (used for chest pain) as this can cause dangerous blood pressure drops. Men with severe heart conditions, recent stroke or heart attack, or those taking certain medications may not be suitable candidates. All patients require a clinical assessment before prescription approval.
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