Sildenafil pka value

Sildenafil citrate, commonly known by the brand name, is a prescription-only medicine used to treat erectile dysfunction (ED) in adult men. It works by improving blood flow to the penis, helping to achieve and maintain an erection during sexual activity.

Dosage and Administration

Sildenafil is available in 25mg, 50mg, and 100mg strengths.

  • The usual starting dose is 50mg, taken approximately one hour before sexual activity.
  • Dosage can be adjusted depending on individual response and tolerability.
  • Take only one tablet in 24 hours, with or without food.
  • Avoid grapefruit juice, as it can increase the risk of side effects.
  • A high-fat meal may delay onset of action.

Effectiveness

Sildenafil has been shown to be effective in up to 80% of men with ED, with effects typically noticeable within 30 to 60 minutes, and lasting for up to 4–5 hours.

Side Effects

Common side effects include:

  • Headache
  • Flushing
  • Nasal congestion
  • Indigestion

Less common but serious effects include visual disturbances, hearing changes, or prolonged erections. Seek medical attention if severe or persistent side effects occur.

Contraindications

Sildenafil should not be used by those:

  • Taking nitrates for chest pain
  • With severe heart or liver conditions
  • Under 18 years of age
  • With certain medication interactions (e.g. alpha-blockers, antifungals, antibiotics)

Interactions

Inform your doctor of all medications and supplements before use. Interactions may occur with:

  • Nitrates
  • Alpha-blockers
  • Some antibiotics and antifungal medicines

Alcohol and Heart Conditions

Avoid excessive alcohol while taking sildenafil, as it can lower blood pressure and increase side effect risk. Use with caution if you have any heart-related conditions.

Availability and Cost

Sildenafil is available by prescription only in the UK.

  • Generic versions are more affordable than branded Viagra.
  • Supplied by licensed UK pharmacies such as Online Chemist.
  • Avoid counterfeit products from unregulated websites.

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Sildenafil citrate is available by prescription in the UK.

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Sold and Supplied by Healthylife Pharmacy

Viagra Sildenafil (100mg) 12 Tablets

This product is a Prescription Only Medicine (S4) and is sold by Healthylife Pharmacy, an independently owned and operated pharmacy business. This prescription product requires a valid Australian script.

Healthylife provides general product information such as nutritional information, country of origin and product packaging for your convenience. This information is intended as a guide only, including because products change from time to time. Please read product labels before consuming. For therapeutic goods, always read the label and follow the directions for use on pack. If you require specific information to assist with your purchasing decision, we recommend that you contact the manufacturer via the contact details on the packaging or email us at [email protected]. Product ratings and reviews are taken from various sources including Bazaarvoice. Healthylife does not represent or warrant the accuracy of any statements, claims or opinions made in product ratings and reviews.

HumanuptakeHealthylife Pharmacy

This product requires a prescription in only that countries listed below.

Healthylife® is a pharmacies name and/or registered medical mark each manufacturer sole license and permission to use the product remains required for use on products registered with that license and permission.

Healthylife® warns consumers that:

  • Healthylife may cause sexual dysfunction or problems in men with low bone mineral density.
  • Healthylife may cause sexual dysfunction or problems in men with osteoporosis or other signs of osteoporosis.
  • Healthylife may cause breast tenderness or enlargement.
  • Healthylife may cause dizziness or fainting.
  • Healthylife may cause erectile dysfunction.
  • Healthylife may cause a decrease in bone formation or an increase in muscle strength.

Healthylife offers only approved prescription medications. These medicines are only available if your doctor has prescribed the medicines and you have been using the medicine for the prescribed length of time (12 weeks or longer). If you have not used your medicine for a prescribed duration, you may be eligible for automatic automatic adjustments to your prescription if you complete a replacement prescription within 12 weeks.

Although Healthylife has not placed any restrictions on when these medicines will be used, it is not right for you. You may use this medicine only when you are ready to use it before 3 p.m. every day. You may for up to 12 weeks without requiring a doctor's prescription.

Additionally, Healthylife sells only nonprescription medications, which require a prescription. However, you can obtain a prescription from your doctor if you are in the UK or the US.

These medicines are available in Australia, most countries around the world.

Country of Origin

This medication is a prescription product obtained through a simple online consultation with a qualified pharmacist at Healthylife. Please ensure you have a valid prescription from your GP or health care professional.

Healthylife is registered in the UK and includes the contact information displayed on the packaging. If you are in the UK, we will verify that you are over the age of 18 and past theorised with your health care professional. Please do not use this product for any longer than 12 weeks. It is a prescription only product.

Currently, Healthylife has not sold or supplied this product.

Healthylife contains active pharmaceutical ingredients including phosphodiesterase type 5 (PDE5) inhibitors, which are also used to treat erectile dysfunction (impotence).

Healthylife contains the active ingredient sildenafil, which is supplied in a 100mg, 50mg and 100mg strength.

The packaging may contain a white to slightly sweeling label with the box insert. The box may have a logo on one side, or a black ink on the other, in the location of the sildenafil. The sildenafil is not available in the US.

However, Healthylife is not currently selling any products that claim to be used as an erection enhancement treatment.

Healthylife is supplied in a 100mg strength. The 50mg strength is supplied in two strengths: 100mg and 150mg.

If you are not sure which strength you should take, you may be asked by the manufacturer to check their. Please do not use this product to "set an erection" or to "swallow" an erection that has already been hard enough "for 12 weeks".

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Viagra 50mg Tablets are an effective treatment for erectile dysfunction. These tablets are designed to help men achieve and maintain erections. The active ingredient, sildenafil, is an effective vasodilator that relaxes the blood vessels, enhancing blood flow. This medication is effective for treating erectile dysfunction (ED) in men, helping them achieve and sustain erections during sexual activity. It is important to note that Viagra 50mg tablets are not for everyone. Men who take nitrate medications can have serious health issues. To get the best results, Viagra 50mg tablets should be used under the guidance of a healthcare professional, including a doctor.

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Teva Sildenafil

Teva sildenafil, the active ingredient in the brand-name drug, is a PDE5 inhibitor. This drug works by relaxing the muscles in blood vessels, allowing for increased blood flow and circulation to the penis. It is commonly used for erectile dysfunction in men. It is available in generic form as Teva 50mg tablets. This makes it a cost-effective alternative to Viagra 50mg tablets.

Generic sildenafil is a PDE5 inhibitor. It works by increasing blood flow to the penis, facilitating an erection when sexually stimulated. This medication is available in generic form as Teva 50mg tablets.

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Sildenafil is a medication that contains the active ingredient, sildenafil citrate, in Viagra. This makes it a popular choice for men who want to enhance their sexual performance and overall well-being. Sildenafil is available in generic form, making it more cost-effective. However, it should be noted that generic sildenafil can be purchased without a prescription, which is a common practice among many men.

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What is Viagra used for?

Viagra is used to treat erectile dysfunction (impotence) in men.

You should take sildenafil (the active substance in Viagra) to treat erectile dysfunction and also to increase blood flow to the penis. Viagra increases your blood flow to the penis by relaxing the muscles and increasing blood flow to the penile area.

Viagra works by increasing blood flow to the penis and improves the penis’s ability to achieve an erection during sexual stimulation. It does this by inhibiting the enzyme phosphodiesterase 5 (PDE5), which is an enzyme found in the body that controls blood flow.

The active ingredient in Viagra will only work for a limited period, so you can take it as needed. Viagra will not work without sexual stimulation.

How does Viagra work?

Viagra works by relaxing the muscles in your penis and allows blood to flow into the penis when you are sexually stimulated. This allows for increased blood flow to the penis.

What is the maximum dosage for Viagra?

The recommended dosage for Viagra is 100 mg.

The maximum recommended dose is 100 mg of sildenafil. Do not take more than 100 mg of sildenafil per day.

What are the potential side effects of Viagra?

The most common side effects of sildenafil are headache, flushing, nasal congestion, and upset stomach.

If you experience any of these side effects, stop taking sildenafil and see your doctor right away.

What to do if you are allergic to sildenafil?

If you have allergic or hypersensitive reaction to sildenafil, you should not use this product. If you are allergic to any ingredients in Viagra, do not take it.

If you have severe vision loss, talk to your doctor.

If you have difficulty breathing or have chest pain, get medical help right away.

If you have vision loss, stop taking sildenafil and see your doctor right away.

If you have heart problems, stop taking sildenafil and see your doctor right away.

What happens if you miss a dose of Viagra?

If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, take the missed dose as soon as you remember. Do not take 2 doses at one time.

If you have an erection that lasts for more than 4 hours, stop taking sildenafil and see a doctor right away.

What happens if you take too much Viagra?

Taking too much Viagra can cause serious side effects.

If you take too much Viagra, your body may become accustomed to the drug and may react badly to it. Stop taking the drug and seek emergency medical attention.

If you have any side effects, talk to your doctor right away.

If you have not noticed any side effects after taking sildenafil, stop taking the drug and see a doctor immediately.

What are the common side effects of Viagra?

Some common side effects of sildenafil include:

  • flushing
  • headache
  • nasal congestion
  • back pain
  • blocked nose
  • stuffy nose
  • sensitivity to light

If you experience any side effects, stop taking sildenafil and seek emergency medical attention.

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