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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Less common side effects but serious effects include visual disturbances, hearing changes, or prolonged erections.

Frequently Asked Questions

How long does Sildenafil take to work?

• Sildenafil starts to work within 30 to 60 minutes of taking a tablet and it can take up to 4 hours to start working.
• For erections lasting longer than 4 hours, sildenafil may be taken with food.
• Remember to consult your doctor before engaging in sexual activity.

Viagra 100mg tablet contains an active component such as Sildenafil. This medication is used to treat erectile dysfunction (ED) in men. It contains the active ingredient sildenafil citrate, which belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors. It increases blood flow to the penis during sexual stimulation, which helps men achieve and maintain an erection. Viagra may have side effects, including headache, flushing, dizziness, upset stomach, nasal congestion, and vision changes. It should not be taken with certain medications or conditions, so it's crucial to consult a healthcare professional before using it. Erectile dysfunction can have a profound impact on a man's self-esteem and quality of life. By addressing ED, this medication can help improve a person's sense of well-being and overall happiness.

Individuals with a history of, such as heart problems (angina, heart failure, irregular heartbeats) or recent heart attack, should exercise caution when using Viagra. The sexual activity itself can strain the heart and can further increase the strain by increasing blood flow. Consult with a healthcare professional to assess the risks and benefits in such cases. This medication can cause a mild decrease in blood pressure. Caution is advised for individuals with low blood pressure or those taking medications that lower blood pressure, as combining these can lead to potentially harmful interactions. People with severe liver or kidney disease may experience slower elimination of Viagra from the body, leading to a prolonged effect. Dosage adjustments may be necessary in such cases.

What is Erectile dysfunction?

Erectile dysfunction, also known as erectile dysfunction in men, is the inability to achieve or maintain an erection during sexual activity. It can be caused by various factors, including physical, psychological, and a biological issue such as diabetes, high blood pressure, or fatty liver disease. By addressing ED, it is important to note that not all men with Erectile Dysfunction are suitable for Viagra, and it is recommended that Âbilaterally applied Viagra is used only to men with erectile dysfunction.

Before taking Viagra, it's essential to consult a healthcare professional to determine its appropriateness. They may assess a possible risk for sexual activity or should contact your healthcare provider for further advice.

Common side effects of Viagra 100mg tablet

Viagra can cause various side effects. While not all of these side effects are common, there are several rare but serious side effects. These symptoms may include:

• Headache
• Flushing (warmth, redness, or tiredness)
• Indigestion
• Nausea
• Diarrhea
• Muscle aches
• Arthralgia
• Tendon rupture

These can be signs of a serious side effect of Viagra. If you experience any rare but serious side effects while taking Viagra, contact your healthcare provider immediately.

It is important to notify your healthcare provider of any tendon rupture or death during treatment. This medicine can be used at any time, providing complete guidance.

Other side effects of Viagra

Some potential side effects of Viagra may include:

• Stiffness

This includes experiencing tendon pain, new pain, fever, persistent vomiting, heart palpitations, and severe allergic reactions.

Consult your healthcare providerDo not exceed the recommended dosage of Viagra without seeking advice from your doctorDo not exceed the recommended dose of ViagraAvoid taking Viagra if you are allergic to Sildenafil or any of its componentsI have read about some men who get tendon pain during sexual activity. Do not use Viagra if you are taking it regularly, as it could cause a decrease in blood flow. Consult your healthcare provider if you experience pain during sexual activity with your partnerDo not take Viagra if you are taking it regularly, as it could cause a decrease in blood flow.

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.

Take Control of Your Sex Life

Don’t let ED affect your confidence or relationships. Buy Sildenafil tablets online today and experience more satisfying erections — securely, discreetly, and from our trusted UK-regulated pharmacy.

✅ Free online consultation✅ Fast UK delivery✅ Discreet packaging✅ GPhC-regulated

now and get back to enjoying intimacy with confidence.

Store Notice: Orders placed after 11:00 AM on Friday, 23 May 2025 will be processed on the next working day, Tuesday, 27 May 2025, due to the bank holiday weekend. Thank you for your understanding.

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Sildenafil citrate is available by prescription only in the UK.

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Uses of Sildenafil

Sildenafil is used to treat pulmonary arterial hypertension and to improve penile functions.

Therapeutic Category

Sildenafil: Phosphodiesterase type 5 (PDE 5) inhibitors

How Sildenafil works

Sildenafil works by blocking the effects of certain enzymes (PDE5) within the body which limits blood flow to the lungs and penis. As a result, it causes widening of blood vessels (arteries) supplying these organs, increases blood flow and oxygen supply and improves their functions.

Common side effects of Sildenafil

• headache
• flushing
• indigestion, diarrhoea
• pain in the arms or legs
• vision problems
• flu-like symptoms, inflammation of the sinuses, fluid retention
• difficulty in sleeping, anxiety, shaking
• sensation of pins and needles
• vertigo (spinning sensation)
• nosebleed, runny nose, cough, stuffy nose
• nausea, vomiting, stomach inflammation, heartburn, piles, abdominal distension, dry mouth, diarrhea
• hair loss
• skin redness, night sweats
• muscle pain, back pain
• increased erections

When to consult your doctor

Consult your doctor if you experience:

• prolonged or painful erection (priapism)
• sudden decline or loss of vision
• fits or seizures
• pneumonia, abnormal heartbeat, chest pain, fainting
• infections (viral infection of the gut, urinary tract infections and tooth cavities)
• fits, hearing impairment inflammation of digestive tract

Health Tips for Sildenafil

• Sildenafil is not suitable for use in women
• Sildenafil is generally more effective when taken on an empty stomach
• Avoid consumption of alcohol or grapefruit juice while taking Sildenafil as it may increase its side effects
• Avoid using recreational drugs (like amyl nitrate, etc.) while taking sildenafil as it may cause a dangerous drop in blood pressure
• Sildenafil should not be taken more than once in a 24-hour period
• Before taking Sildenafil, inform your doctor if you have any liver, kidney, or heart problems

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Side Effects of Sildenafil

Most side effects of sildenafil do not require medical attention and subside with the completion of therapy.

• Headache, muscle pain, nausea, dizziness, and menstrual cramps
• Breast tenderness and enlargement.

Sildenafil Dapoxetine

Sildenafil Dapoxetine is an erectile dysfunction medicine that contains the active ingredient dapoxetine. Sildenafil Dapoxetine is a selective serotonin reuptake inhibitor (SSRI) that has the effect of increasing the time it takes for the ejaculation to happen during sexual stimulation, and hence it helps the user to get and maintain an erection for satisfactory sexual intercourse. The effect of this medicine can be seen within 30 minutes and lasts for around 4 to 6 hours. This medicine is very effective for treating erectile dysfunction in the body.

Dapoxetine + Sildenafil

Dapoxetine is an effective medicine that helps men to increase their sexual pleasure during sexual intercourse. The dosage of this medicine can be increased to 60 mg. It is also advised to take it in a meal. It is essential to consult a doctor to find out the proper dosage of this medicine.

Buy Dapoxetine

Buy Dapoxetine is a selective serotonin reuptake inhibitor (SSRI) that helps in increasing the time it takes for the ejaculation to happen during sexual intercourse.

Dapoxetine is a medicine that helps in increasing the time it takes for the ejaculation to happen during sexual stimulation.