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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Frequently Asked Questions

Can I take Sildenafil with other ED medications?

No, Sildenafil is not recommended for use with nitrates for angina of any type. Please consult your doctor before use if you have any nitrate-related side effects.

What should I avoid while taking Sildenafil?

Some medications such as riociguat may also cause a risk of sudden vision loss. Please consult your doctor with any questions.

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 stockgary. female dictatorshipArousalism is the absence of sexual stimulation in all sexual events. In case of arousal, the individual remains with a partner who is not aroused. In case of absence of sexual stimulation, the individual decreases the amount of sexual stimulus produced.

See also

Pulmonary hypertension (PAH)

Convenience

Sildenafil has been shown to be effective in improving erectile function in up to 80% of patients. It has also been found to improve sexual function in 70-80% of patients. It is also effective in up to a quarter of patients with pulmonary arterial hypertension. This is due to the positive effect of sildenafil on the endothelial function which is key to the maintenance of erectile function.

Side effects of Sildenafil

• headache, flushing
• Paleness, erections
• Difficult or prolonged erections
• Decreased libido, social support, memory loss, attempts to have intercourse
• Fatigue, anxiety, muscle soreness, joint pain, pain in the arms or legs
• Rash, doctor anxiety,/ uptick number of anti-rheumatic drugs
• Use with caution in the treatment of benign prostatic hyperplasia (BPH)

Sildenafil for PAH

The worldwide prevalence of PAH is estimated to be approximately 40% at the regional and country levels.

Note: Other medications can affect how Sildenafil is processed in your body, potentially impacting its effectiveness. These include azole antifungals (such as itraconazole or ketoconazole), macrolide antibiotics (such as clarithromycin or erythromycin), HIV protease inhibitors (such as saquinavir), mifepristone, rifampin, and ritonavir.

Combining Sildenafil with other medications for erectile dysfunction (ED) or pulmonary hypertension, such as tadalafil or vardenafil, is harmful.

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• Avoid Spam Alert your doctor if you’re taking any other medications, especially nitrates.atonin for migraine headaches is a combination of alpha-blockers and Sildenafil. Taking any of these drugs together can cause a dangerous drop in blood pressure.
• A drug interaction can occur when your medicationsi concurrently Sildenafil and tadalafil. This drug is considered a nitrates because it can cause a dangerous drop in blood pressure.
• If you’re taking any other medications, especially alpha-blockers for an enlarged prostate (like tamsulosin), it may cause sensitivity. Taking any other medication with Sildenafil can cause sensitivity.
• If you’re taking any other medications, especially nitrates, try to follow the doctor’s instructions.
• Avoid taking nitrates with Sildenafil since these medications can cause an effective dose to work better than without them.
• Never take Sildenafil with any other type of medication. This includes prescription, over-the-counter, and traditional ED medications.

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• Follow the instructions provided with the medication. This is crucial for Sildenafil to produce the results it claims.
• If you’re taking any other fillers or flavorings, avoid contact with the medication.
• The medication should be taken at the start of a meal to help you eat more fully.
• The medication should be taken at the start of a meal to help you eat.

Viagra 50mg 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 cardiovascular diseases, 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 Sildenafil? is a drug that belongs to the class of drugs known as PDE5 inhibitors. It works by relaxing the blood vessels, which helps blood flow. When there is sexual stimulation, the erectile tissue allows the sildenafil to act to enhance the blood flow to the penis. While using this medication, individuals may have difficulty achieving an erection or may even feel sexually aroused. The use of Sildenafil can cause some side effects, such as headache, flushing, indigestion, nasal congestion, and dizziness. The most common side effects are generally mild andshortlived. If you experience any severe or persistent side effects, consult your healthcare professional right away.

Sildenafil 50mg tablet is not suitable for everyone. If you have the following symptoms, seek medical attention immediately: 1. Difficulty getting or maintaining an erection: 1. Where in the medication you were being treated 1. Ongoing sexual complications or interactions: 1. Chest pain or irregular heartbeat 2. Congestion 2. Tremor 3. Ankle pain 4. Weakness 5. Inability to get or keep an erection Sunday to be replaced 4.abella skin reactions 5. An erection that is not controlled by oral medication 6. Easy bruising

It is crucial to consult a healthcare professional before using Sildenafil to ensure it is suitable for you. They may be able to advise on the best course of action and if you need todollar diagnose ED treatment 2. Itching or rashgeffects

Sildenafil 50mg tablet can cause a decrease in blood pressure. Consult with a healthcare professional to assess the risks and benefits for your condition.

It is crucial to consult a healthcare professional before use to ensure it is suitable for you and your healthcare management. They may be able to suggest an appropriate course of treatment or alternative medications.

What are the side effects of Sildenafil? 2. Headache 3. Indigestion 4.urtle symptoms5. Uncontrolled bowel movements6. Droopy 7. Muscle pain10. Vision changesWhat should I avoid while using Sildenafil? 1. Alcohol: It can cause a decrease in blood pressure. It can cause heart arrhythmia (an irregular heartbeat3. It can cause liver injury4. It can cause an erection that is not controlled by oral medication5. It can cause nausea and stomach pain6. It can cause dizziness7. It can cause loss of vision and/or prolonged erection of the eyes and/or penis (priapism)Can I use Sildenafil for pulmonary hypertension? Yes, Sildenafil can be used for pulmonary hypertension treatment. Not for use in women or children4. Not for use in children5. Not for use in animalsIt can cause side effects such as headache, flushing, dizziness, upset stomach, nasal congestion, and sensitivity to light8. It can cause an increase in blood pressure. 3. It can cause heart arrhythmia (an irregular heartbeat4. It can cause liver injury5.