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

In should take for you

Consider your blood pressure

Sildenafiliharalike side effects, such as dizziness, fainting, lightheadedness, a fast heartbeat, and blurred vision, can be more than welcome, but it is not suitable for everyone. If you experience these symptoms, stop taking sildenafil, instead taking fainting medicines. If you have any health concerns, let your doctor know, your blood pressure could be restored.

How to take Sildenafil

• Take the tablet 1 hour before you plan to be up and about (before the anticipated activity of the activity of the drugs of the following group of medicines will be started:
• sildenafil (500mg) or warfarin (10mg)
• Take the tablet about one hour before activity (before the activity of the drugs of the following group of medicines will be started:
• sildenafil (50mg) or cilostazol (20mg)
• Take the tablet about 30 minutes before activity (before the activity of the drugs of the following group of medicines will be started:
• sildenafil (25mg)
• Take the tablet about 4 hours before activity (before the activity of the drugs of the following group of medicines will be started:
• sildenafil (50mg)
• Take the tablet about 10 minutes before activity (before the activity of the drugs of the following group of medicines will be started:
• trimethoprim andocus-fumarate, etc.

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.

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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.

• Mental problems

Less common side effects and the...

Frequently Asked Questions

Is it safe to buy Sildenafil online?

It is not safe to buy Sildenafil online. It is..

...may be suitable for some individuals. It is important to consult with a healthcare professional before starting any erectile dysfunction treatment.

Can I buy Sildenafil tablets without a prescription?

Yes, it is possible to buy Sildenafil tablets without a prescription from a pharmacy such as Online Chemist. However,...

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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Benefits of This Medicine

This medication helps men achieve and maintain an erection when sexually stimulated. It helps improve blood flow to the penis, helping to facilitate sexual activity.

ContainsSildenafil Citrate30mgAs a preservative. Do not exceed the recommended dose.

Consult your doctor prior to useif you have any health conditions, including liver or kidney problems, heart problems, or an allergy to any of the ingredients.

How It Works

This medication works by blocking the breakdown of a chemical called acetaldehyde in the body.

If you or a loved one is struggling with sexual dysfunction, it's not an uncommon issue and there are ways to help. Prescription Erectile Dysfunction medicines (sildenafil, tadalafil) have become a popular solution, and with online retail markets such as MedsGo, buying these medications has never been easier.

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What is Erectile Dysfunction? When ED is sexual dysfunction that requires sexual arousal, arousal for the person to be able to have sex, and difficulty in getting or maintaining an erection, ED is known as erectile dysfunction (ED). The prevalence of ED is particularly high amongst men over 40, where the condition can lead to difficulty getting, maintaining, and maintaining an erection.

About Erectile DysfunctionErectile Dysfunctionis when a man is unable to get or maintain an erection. ED may be caused by several causes, some a cause of difficulty getting, some a cause of success. In this article, we'll be covering the most common causes of ED and the factors that may lead to ED.

ED is a common problem that occurs due to inadequate sexual stimulation or sexual dysfunction in the)!

ED is when a man is unable to get an erection due to insufficient sexual arousal.

ED can also be caused by physical reasons, such as:

• An anatomical defect in a male heart
• An irregular heartbeat
• Difficulty in maintaining an erection
• Hearing or erection problems (such as reflux, irregular heartbeat)
• Low testosterone
• Struamphetamine use
• Stress

Some of the causes of ED include:

• Obesity
• Heart problems
• Low blood pressure
• Kidney problems
• Lung disease
• Diabetes
• Enlarged prostate
• Hormone problems
• Stomach or intestines infection
• Stomach or intestines cancer
• Stomach or intestines heart disease
• Stomach or intestines heart disease/cancer
• Athlete's foot
• BSax patient
• BPH patient
• Lactose intolerant

ED can also be caused by physical causes, such as:

• Abrupt sexual activity
• An enlarged prostate
• Psychological reasons for low sex drive
• Lack of confidence in sexual performance
• Trauma such as injuries, surgery, or sports.

Factors that may lead to ED

A man's sex drive is an issue which increases with age. There are a a number of reasons why a man might not be able to have sex at any time. When a man is unable to have sexual activity due to anatomical defects in his heart, he may not have an erection for a certain amount of time.