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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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Product Object: Sildenafil (generic Viagra) is available by prescription only in the UK. You require a valid,firesignerblue email ID. You need a valid UK product ID for this to be displayed. You will be asked about your prescription before you can place an order. Please note thatfiresignerblue does not display product codes that require a valid prescription. If you are experiencing a medical emergency, please call customer service. For further information see the.

VIDEO

What is Viagra (sildenafil)?

Viagra (sildenafil) is used to treat erectile dysfunction. Erectile dysfunction is the inability to get or keep an erection for satisfactory sexual activity in men, also known as impotence. Sildenafil belongs to a class of medications called phosphodiesterase type5 (PDE5) inhibitors. Viagra works by relaxing muscles found in the walls of blood vessels and increasing blood flow to the penis during sexual stimulation to get and keep an erection. Keep in mind that Viagra does not cure erectile dysfunction or increase sexual desire.

under the brand Revatio is also used to treat pulmonary atrial hypertension (PAH). If you are taking Revatio do not take Viagra unless directed by your physician.

Buy Viagra Online : Know the Dosage

The recommended dose is 50mg about 1 hour before sexual activity, but it can be taken from 30 minutes to 4 hours before intercourse. The maximum daily dosage is once per day, with or without food. The dosage can be increased to 100mg or decreased to 25mg based on toleration and effectiveness. Viagra 100mg are available in KamaHealth.

Side Effects

MedicationOnsetDuration
Sildenafil (Viagra)30-60 minutes4-5 hours

The most common side effects consist of the following:

  • Headache, nausea, and dizziness
  • Stuffy nose, nosebleed
  • Temporary redness of neck and face
  • Backache, indigestion

If you are a heart patient, sexual activity could put extra strain on your heart. If you experience the following serious side effects while having sex, stop and get medical help right away. The side effects include:

  • Severe dizziness
  • Nausea
  • Chest/jaw/left arm pain
  • Fainting

Some patients may experience serious side effects; if you experience these, get medical help right away. Serious side effects include:

  • Temporary memory loss
  • Seizures
  • Serious allergic reaction, including rash, itching or swelling (especially of the face, tongue, or throat), severe dizziness, and trouble breathing.

We offer more than just lower prices on

sildenafil in Canada and free shipping. Some patients experience side effects that are not listed. If you have any concerns regarding Viagra, contact your physician.

Take note: This medicine is available only with a valid doctor's prescription.Side effects include:

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  • Severe drowsiness, nausea, and dizziness. Viagra 100mg are available inKamaHealth.
  • Itraconazole (Sporanox) is also available.
  • Canagabine (Bupivacaine/Decongestant) is available at a lower dose.
  • Itragabine (Seductif) is available at a lower dose.

Patients should know:

  • This medicine is used to treat symptoms of erectile dysfunction.
  • This medicine is available only for sexual activity.

Sildenafil 100mg is a PDE5 inhibitor which keeps blood vessels dilated for sexual stimulation. When sexually excited, nitric oxide is released in the penis, which activates the enzyme PDE5 which allows for increased blood flow to the penis. During sexual activity, Lowering Blood Flow and Stimulation (Sildenafil) helps get and keep a firm and lasting erection. Always take this medicine with a full glass of water to get the mostpossibly adequate amount of dosage. For heart patients, sexual activity could put extra strain on heart.

The Science Behind Viagra

The discovery of Viagra, also known as sildenafil citrate, was a revolutionary step in the treatment of erectile dysfunction (ED). In 1998, the FDA approved Viagra for the treatment of ED. However, it was only approved for use by a licensed healthcare provider, who then reviewed the data to see if they were compatible with the new treatment. During a clinical trial conducted in September 2015, the results showed that Viagra was more effective than Viagra in treating ED. The FDA also updated the safety information for Viagra, including its effect on sexual performance and safety.

Efficacy of Viagra in Treating Erectile Dysfunction

While Viagra was a groundbreaking drug, the study didn't prove its effectiveness. Instead, researchers decided to look at the potential side effects of Viagra. Viagra is a PDE-5 inhibitor that works by dilating blood vessels in the penis. It is important to note that Viagra can cause blood vessels to relax, leading to a buildup of blood in the penis. This causes the penis to become erect, which in turn can cause a harder, longer-lasting erection. Viagra is a PDE-5 inhibitor that works by relaxing the muscles in the walls of the blood vessels. This allows blood to flow into the penis, which can cause an erection to be achieved. It is important to note that Viagra should only be taken under the supervision of a healthcare provider.

Viagra Usage and Side Effects

The side effects of Viagra are usually mild and can be mild to moderate. The most common side effects of Viagra include headache, flushing, indigestion, and upset stomach. These side effects are usually mild and go away on their own after a few days. If you experience any of these side effects while taking Viagra, you should stop taking the medication immediately and contact your healthcare provider. It is important to note that these side effects can occur at any time and are usually temporary. If you experience any serious side effects while taking Viagra, you should immediately seek medical attention.

Efficacy of Viagra for Erectile Dysfunction

Erectile dysfunction can be an issue for men with other health conditions or who are at risk for sexual activity. Viagra is often used as a treatment for ED. It works by increasing blood flow to the penis, allowing men to achieve and sustain an erection when sexually stimulated. It can be effective for men with diabetes, high blood pressure, or kidney disease. Viagra is available in tablet form, and it is available in a generic form that can be purchased over the counter (OTC).

How Does Viagra Work?

Viagra works by blocking a certain enzyme in the body, which allows blood to flow to the penis. This allows more blood to enter the penis and cause an erection. Viagra is effective in treating erectile dysfunction by increasing blood flow to the penis. It can help men achieve and sustain an erection when sexually stimulated. Viagra also helps men to achieve and maintain an erection during sexual activity. It is important to note that Viagra does not work instantly, and it can take several hours for it to become effective. The medication will only work if you are sexually aroused. However, Viagra can help men achieve and maintain an erection for up to 24 hours after they take it.

How Viagra Works in the Body

Viagra works by blocking the enzyme PDE-5. This allows blood to enter the penis, which can cause an erection. Viagra is available in tablet form and works in the body by blocking PDE-5. It works by increasing blood flow to the penis to allow an erection to occur. Viagra is effective in treating erectile dysfunction, and it is taken as needed. Men with a history of heart disease, diabetes, or liver disease should use Viagra regularly and not exceed the recommended dosage. It can be taken as needed and can be taken with or without food.

Side Effects of Viagra

Viagra is not a cure for ED, but it can be helpful for men with underlying health conditions or those who are at risk for sexual activity. The side effects of Viagra are generally mild to moderate and can be temporary. If you experience side effects while taking Viagra, talk to your healthcare provider right away to determine whether Viagra is right for you. If you have any of these side effects, don't stop taking Viagra without talking to your healthcare provider. If you experience severe side effects such as a prolonged erection lasting more than 4 hours, or difficulty starting your erection, seek medical attention immediately.

Viagra Connect is a new erectile dysfunction treatment which does not require a prescription.

The first of its kind, Viagra Connect is a safe and discreet over-the-counter medication that can legally be bought online without a trip to your doctor.

We need to ensure that this medicine is suitable for the person it is intended for. Therefore, it should only be purchased by the person taking it.

A pharmacist may need to contact you by phone before providing the product. If they cannot reach you within 72 hours, your order may be delayed, or this item may be cancelled from your order.

Please ensure your contact details are correct before ordering this medicine.Suitable forViagra Connect is for men 18 years and older who have difficulty getting and/or keeping an erection hard enough for sex

Age RestrictionYou must be at least 18 years old to purchase this product.

Directions for use:Please read the enclosed leaflet carefully before use.

• take 1 tablet approximately one hour before sexual activity• swallow tablet whole with water• do not take more than 1 tablet a dayViagra Connect starts to work within 30-60 minutes. You may take it up to 4 hours before sexual activity.

Hazards and Cautions

Do NOT take if you:

  • do not have an erection problem
  • take any nitrate medicine for chest pain or heart failure
  • take riociguat (or other guanylate cyclase stimulators) for high blood pressure in the lungs
  • take ritonavir for the treatment of HIV
  • have been advised by your doctor to avoid sexual activity because of a problem with your heart or blood vessels
  • have a severe heart or liver problem
  • have low blood pressure
  • have ever had severe vision loss or a rare inherited eye disease
  • have a deformed penis
  • have an allergy to any of the ingredients in this product

Talk to your pharmacist or doctor before taking if you:

  • get very breathless or feel chest pain with light or moderate physical activities
  • have a heart problem
  • have high blood pressure that is not controlled
  • take any other medicines listed in the package leaflet
  • take any other treatment for erectile dysfunction
  • ever had a persistent erection that lasted for more than 4 hours
  • have a stomach ulcer or bleeding disorder
  • have diagnosed mild to moderate liver problems
  • have diagnosed severe kidney problems

As with all medicines, please ensure you read the patient information leaflet before taking this item.

This is a prescription medicines item. Please ensure that your healthcare provider has said it is right for you.

There is a street value of £16.90 for 2 tablets of 2 medicines in the UK. This is approximately £1.99 per tablet.

Please let your pharmacist and doctor know if you are taking or have taken any of the following prescription medication.RiociguatDo not take if you:

• do not take any of the following medications• take any nitrate medicines for chest pain(e.g.