Available in 25mg, 50mg, and 100mg oral tablets, Sildenafil is a licensed, prescription-only treatment for erectile dysfunction in the UK.
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Sildenafil (sildenafil citrate) is the main ingredient in the prescription branded medication Viagra. As a PDE5 inhibitor, it helps men with erection problem by improving blood flow to support stronger, longer-lasting erections.

However, sildenafil isn’t just for ED—it’s also prescribed for pulmonary arterial hypertension (PAH), a rare but serious condition where blood pressure in the lungs becomes dangerously high, and even for certain types of peptic ulcers.

Prescription required—consult a doctor first.

Remember, It doesn't boost your sexual desire. If you're dealing with low libido, talk to your doctor or pharmacist for advice.

Avoid taking Sildenafil tablets with a heavy meal or alcohol, as both can reduce its effectiveness. And whatever you do, never mix it with heart medications like nitrates—doing so can lead to a dangerous drop in blood pressure.

Sildenafil citrate tablets are prescribed in 25mg, 50mg, and 100mg strengths for erectile dysfunction.

The recommended starting dose is sildenafil 50 mg, taken around one hour before sexual activity. Based on your response and tolerance, your doctor may decrease the dose to 25mg if you experience side effects, or increase to 100mg if needed.

The appropriate sildenafil strength depends on your individual health factors and response to treatment.The maximum recommended frequency is once daily.

• Swallow the tablet whole with water or juice (not grapefruit juice).
• Take one tablet once a day.
• Around 30-60 mins. before sex.
• Taken as-needed, not daily.
• Max 100 mg in 24 hr

Doctor's Prescription: Doctors may prescribe 100mg for men with severe ED (when it’s difficult to maintain an erection) or for those who haven't responded to lower doses like 50mg or 25mg of sildenafil. It's important to note that a higher dosage can increase the potential side effects of sildenafil.

While some studies suggest that sildenafil might have a slight impact on ejaculation duration, it's not specifically designed for that purpose. Its main effect is on erectile function. (sources).

If you're concerned about premature ejaculation, it's best to consult a healthcare professional.

Yes, Sildenafil tablets and Viagra tablets contain the same active ingredient—Sildenafil Citrate. Viagra is the brand name, while Sildenafil is the generic version.

Both work the same way to treat erectile dysfunction by increasing blood flow to the penis. The main difference is that Sildenafil is more affordable compared to the branded Viagra.

Sildenafil (Viagra, Revatio) typically take 30 to 60 minutes to work, although it can take up to 2 hours for some people. The highest amount of sildenafil citrate (active drug in this medicine) in your bloodstream happens around 60 minutes after you take it.

Still, you might begin feeling its effects in approximately 25-30 minutes.

But remember, it won't give you an auto erection on its own—you need to be sexually aroused for it to go into action. So, plan to take it about an hour before you want to have sex.

The effects can last for around 4 to 6 hours, but it varies from person to person.

Commonly, the power of Sildenafil last 2-6 hours. Very rarely, the effects may persist for up to 10 hours, giving you ample time to engage in sexual activity with improved erectile function.

It won't keep it up indefinitely after sex. The results of Sildenafil gradually fade over time and will be gone within a day.

For some patient, it may take a few attempts to see the effects of Sildenafil tablets. If Sildenafil 100mg/50mg/25mg doesn't work for the first time, don't give up.

Alcohol consumption, meals, and mood can influence how well it works. So, consider trying Sildenafil in various situations to find what works best.

If you find that it's still not effective after attempting it eight times, it's advisable to consult with your doctor to consider adjusting your dosage strength or switching to alternative ed treatments.

Many people wonder how branded Viagra and generic Sildenafil can be the same. The answer lies in the active ingredient—Sildenafil Citrate. Both contain the same formula and work in the same way to treat erectile dysfunction. The key difference is that generic sildenafil is produced by other manufacturers after the original Viagra patent expired in 2013, making it more affordable while offering the same effectiveness. Since then, multiple companies have been able to produce and sell generic versions, increasing competition and driving down the price.

Sildenafil is an FDA-approved and safe medication when used as directed. Still, it's important to note that it can interact with certain medicines.

Sometimes, these interactions can pose a risk and potentially harm health. However, there's no evidence of long-term side effects. However, if you have certain health conditions, please consult your doctor before taking it.

For more information please refer to the NHS online resource on Sildenafil (Viagra).

Sildenafil and Tadalafil are both Erectile dysfunction medications intended to treat men who struggle with getting a firm enough erection for intercourse with their partner.

The choice between Sildenafil and Tadalafil depends largely on your personal needs and lifestyle.

You might be wondering which one is the best fit for you, which one works faster, and which one is more effective while also being safe and good for your health. The answer is:

Which works faster: Sildenafil works faster, typically taking 30-60 minutes to take effect, making it more suitable for planned sex. It lasts for 4 to 6 hours, providing a shorter window of effectiveness compared to Tadalafil tablets.

which last longer: It’s very clear that Tadalafil lasts significantly longer (up to 36 hours), allowing for extended flexibility in sexual activity. Sildenafil citrate lasts for 4 to 6 hours, providing a shorter window of effectiveness compared to Tadalafil tablets.

potential side effects: While both drugs share common side effects, tadalafil tends to have fewer visual disturbances and is generally considered gentler on the body.

For daily sex life: Tadalafil is often prescribed for men who want more flexibility in their sexual life. It lasts up to 36 hrs. with a single dose, making it perfect for spontaneous sexual activity over a longer period.

For those who engage in sex more frequently, tadalafil can also be taken daily at a lower dose (Tadalafil Daily 2.5-5 mg), delivering continuous erections without needing to plan ahead.

On the other hand, sildenafil is typically taken as needed and may not be ideal for daily use due to its shorter duration of action (4-6 hours).

• Tadalafil,
• Tadalafil Daily,
• And Viagra Connect.

Resources

Sildenafil Package leaflet: Information for the user PDF