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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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How Does Sildenafil Work?

Sildenafil works by helping to increase blood flow to the penis. It belongs to a class of drugs known as phosphodiesterase type 5 (PDE5) inhibitors.

Introduction About VIAGRA 50MG TABLET

Viagra is a FDA approved prescription medication for the management of erectile dysfunction. It helps enhance blood flow, supporting erectile function during sexual activity.

Viagra 50mg Tablet can be taken with or without food but should always be used as directed by your doctor. For best results, take it approximately one hour before planned sexual activity. While the time it takes to work may vary from person to person, it usually starts acting within 30 minutes to an hour. This medicine works only when there is sexual stimulation. Do not exceed the recommended dose of one tablet in 24 hours.

Avoid alcohol consumption while taking this medicine, as it can increase the likelihood of experiencing side effects such as dizziness or headache and may decrease the effectiveness of Viagra Tablet.

It is essential to avoid using it with nitrate-based medications (commonly prescribed for chest pain or angina) as this combination can cause serious health risks. Additionally, do not use Viagra 50mg Tablet if you have severe heart or liver conditions, have recently experienced a heart attack or stroke, or have very low blood pressure. Always inform your doctor about your medical history before starting this medication.

The most common side effects of Viagra include flushing (a warm sensation), headache, dizziness, blurred vision, muscle pain, indigestion, and rash. If these effects persist or become bothersome, consult your doctor for advice. They may adjust your dosage or suggest an alternative treatment. Patients are advised to seek immediate medical attention if an erection lasts more than 4 hours, as priapism can cause permanent damage to the penis.

What is Viagra50mg?

Viagra 50mg Tablet is a medication primarily used to treat erectile dysfunction (impotence) in men. It works by increasing blood flow to the penis, aiding in achieving and maintaining an erection. It does not correct heart signs or worsen a heart attack.

Viagra islicts in USD 4.2 million per year in USD 16.61 million. It is projected to affect approximately $11.5 million by the year 2040.

Uses of Viagra 50mg Tablet

Viagra is used to enhance blood flow to the penis, ensuring adequate blood flow throughout the body.

It is commonly used by men who have difficulty achieving an erection due to conditions such as:

  • Heart disease
  • Coronary heart disease
  • Stroke
  • Stomach ulcers or infections like those main arteries
  • Certain types of diabetes
  • High blood pressure
  • Certain neurological conditions

For adults who do not have erectile dysfunction, Viagra can help enhance blood flow by increasing blood flow to the penis.

How Does Viagra Work?

Viagra works by inhibiting the enzyme phosphodiesterase type 5 (PDE5) responsible for breaking down a chemical called cyclic guanosine monophosphate (cGMP). This mechanism of action improves the blood flow to the penis, allowing for a better and longer-lasting erection. It does not alter the amount of cGMP, a drug’s concentration in the blood. This medication is most effective when taken about one hour before sexual activity and not more than once a day. Do not exceed the recommended dose or frequency of doses. Viagra 50mg tablets are taken before or after food for approximately 30 minutes until an erection occurs.

Side Effects of Viagra 50mg Tablet

Like all medications, Viagra can cause side effects. However, not everyone gets these and are less likely to interact with other medications. Common side effects may include:

  • Flushing (warmth, redness, or tingly feeling stomach pain)
  • Headache
  • Nasal congestion
  • Dizziness or dizziness
  • Indigestion
  • Myalgia

A complete list of side effects is not available:

Allergic reactions are rare but can occur. If you have a known allergy or hypersensitivity, seek medical attention promptly.

Do not take Viagra if you are taking nitroglycerin (–500 mg) or nitrates (e.g.

Viagra has been shown to cause some mild side effects. Talk to your health care provider if these do not go away within a few days. If you begin to experience more serious reactions, seek medical attention immediately.

Common side effects reported from Viagra use include:

  • Headache
  • Heartburn
  • Congestion
  • Nasal bleeding (bloody nose)
  • Nausea
  • Diarrhea
  • Muscle aches or pains
  • Flushing
  • Facial pain or tenderness
  • Vision changes
  • Light sensitivity

More severe side effects include:

  • Painful erections or erections that last longer than 4 hours
  • Sudden loss of vision
  • Sudden loss of hearing
  • Ringing in the ears
  • Chest pain
  • Shortness of breath
  • Painful urination
  • Increased urination frequency
  • Fainting
  • Dizziness
  • Skin rash
  • Hives
  • Facial swelling

If you experience any of these side effects, seek medical attention immediately. These are symptoms of a severe adverse reaction to this medication that require immediate treatment.

As with all prescription medications, inform your doctor of any medical conditions you currently manage. Tell them about any and all medications, prescription drugs, and supplements you are taking before starting treatment with Viagra. Viagra can interact with bodily substances, causing potentially serious adverse reactions.

Specifically, you should inform your health care provider of any nitrate medication you are taking. Remember to mention any herbal products you use, especially St. John’s wort.

In addition, let your doctor know if you have recently had heart surgery or experience chest pain during sex. If you experience any changes in your heartbeat or chest pain during sex, contact your health care provider immediately.

asthma been treated with Viagra
Type 1 diabetesType 1 diabetes medicationNonsteroidal anti-inflammatory drug (NSAIDs)
HypertensionHigh blood pressure medicationACE inhibitors
Excessive weight gainExcessive weight gain medication
Parkinson’s diseaseParkinson’s disease medication
Multiple sclerosisMultiple sclerosis medication
StrokeNSAIDs
ProteinuriaStomach ulcers medication
DehydrationDehydration medicationAnti-inflammatory drugs
SmokingHealthier medicationsNonsteroidal anti-inflammatory drugs

In addition, if you experience any changes in the way your liver is working, you should contact your doctor immediately.

vomiting

Other side effects can occur, including nausea, vomiting, and dizziness.

If you experience any severe side effects, seek medical attention immediately. These are symptoms of a side effect that are listed in with their proper use and severity.

Highlights from this article

Viagra is a well-known FDA-approved medication for erectile dysfunction, also known as impotence.

Here is a breakdown of some of the key information people need to make and receive Viagra.

What is erectile dysfunction?

Erectile dysfunction (ED) is the inability to achieve or maintain an erection sufficient to have sex.

Viagra is the #1 best-known medication in the world. It is commonly used to treat ED.

What is Viagra for people with erectile dysfunction?

Viagra is a prescription medication that is used to treat erectile dysfunction in men.

What is the difference between Viagra and ED for people with erectile dysfunction?

Viagra works by increasing blood flow to the penis, allowing for a firmer and longer-lasting erection.

How does Viagra work for people with erectile dysfunction?

Viagra increases blood flow to the penis, allowing for a stronger and longer-lasting erection.

How should I take Viagra?

Take Viagra as directed by your healthcare provider. The recommended starting dose is 50mg, but it may be increased to 100mg if an allergic reaction to Viagra is seen in some patients.

Side effects of Viagra

The most common side effects of Viagra include:

Headache Nausea Blurred vision Or vision not wholeheadscopic Or sensitivity to light change in color perception

Back pain Indigestion Back pain or other allergic reactions (allergic reactions, rash, itching, swelling, or difficulty breathing, unusual heartbeat, rapid heart rate) Pains (such as flushing, upset stomach, or nausea) Diarrhea Nausea and vomiting Stomach pain Stomach pain or discomfort Rashes (including a few at the beginning of the day)

Other side effects are listed in.

Read this fact sheet and, before you take Viagra, as it contains important information about side effects and usage.

This fact sheet and, may be revised to include additional information.

Why is Viagra prescribed for erectile dysfunction?

Viagra is prescribed to treat erectile dysfunction in men, or impotence, in men with a history of cardiovascular disease, liver or kidney disease, or if a man is overweight (BMI ≥ 28).

Viagra works by increasing blood flow to the penis, allowing for a stronger and longer-lasting erection.

The recommended dose is 50mg, but it may be increased to 100mg if an allergic reaction to Viagra is seen in some patients.

Side effects of Viagra are listed in order of decreasing severity.

How should Viagra be taken for erectile dysfunction?

Take Viagra according to the instructions on the label. The usual dose is 50mg, but it may be increased to 100mg based on how well it works and your individual response.

Follow your doctor's instructions carefully. Do not take Viagra more often than once daily.

It is important to take Viagra consistently from start to finish. If you take too much Viagra, it may take longer to work, or it may not be effective.

It is important not to skip doses or stop taking Viagra without consulting your doctor first.

Viagra dosage for erectile dysfunction

The usual dose is 50mg, but your healthcare provider may increase the dose to 100mg to treat your erectile dysfunction.

Recommended dosage for erectile dysfunction

The dosage for erectile dysfunction is usually 100mg, but your healthcare provider may increase the dosage to 100mg based on how well Viagra works and your individual response.

Timing of onset

Take Viagra at least 2 hours before sexual activity. The onset of action should take between 30 minutes and 4 hours.

Duration of action

The duration of action for Viagra is usually only noticeable after your healthcare provider prescribes the medication.