[4] Some sildenafil users have complained of seeing everything tinted blue (cyanopsia).
| Attribute | Description | Notes |
|---|---|---|
| Active Ingredient | Sildenafil citrate | 50 mg per tablet |
| Mechanism of Action | PDE5 enzyme inhibition to promote vasodilation | Enhances blood flow for erectile function |
| Onset of Action | 30-60 minutes | Varies with food intake |
| Duration of Effect | Up to 4-6 hours | Effect duration can vary |
| Metabolism | Primarily processed in the liver through CYP3A4 and CYP2C9 enzymes | Potential drug interactions |
| Contraindications | Use with nitrates or contraindicated in severe cardiovascular conditions | Precautions required |
[24] This cyanopsia can be explained because sildenafil, while selective for PDE5, does
Frequently asked questions
If you need to save money on your SILDENAFIL CITRATE (Generic for REVATIO), compare our prices. Our prescription savings may even be lower than your insurance copay! Note: Multiple images may be displayed for medicines available in different strengths, sold under different brand names, or manufactured by different pharmaceutical companies. Sildenafil, sold under the brand name Viagra among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. [4][8] It sildenafil 100mg blue pill is also sometimes used off-label for the treatment of certain symptoms in secondary Raynaud's phenomenon.
Professional resources
[9] It is unclear if it is effective for treating sexual dysfunction in females. [8] It can be taken orally (swallowed by mouth), intravenously (injection into a vein), or through the sublingual route (dissolved under the tongue). [8][10] Onset when taken orally is typically within twenty minutes and lasts for about two hours. Common side effects include headaches, heartburn, and flushed skin. [8] Caution is advised in those with cardiovascular disease. have some affinity for PDE6, which is the phosphodiesterase found in the retina.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Kamagra | 100mg | 360 + 6 Pills | 839.95€ 799.95€ | |
| Kamagra Polo | 100mg | 20 Pills | 83.56€ 79.58€ | |
| Viagra Generic | 200mg | 60 + 4 Pills | 125.19€ 119.23€ | |
| Kamagra Polo | 100mg | 272 + 12 Pills | 622.94€ 593.28€ | |
| Kamagra Oral Jelly | 100mg | 110 + 9 Sachets | 334.87€ 318.92€ | |
| Kamagra Polo | 100mg | 120 + 6 Pills | 327.15€ 311.57€ | |
| Viagra Generic | 200mg | 120 + 8 Pills | 204.80€ 195.05€ | |
| Kamagra | 100mg | 32 Pills | 121.24€ 115.47€ | |
| Kamagra | 100mg | 20 Pills | 86.09€ 81.99€ | |
| Kamagra Soft Tabs | 100mg | 84 + 4 Pills | 233.05€ 221.95€ |
Patients thus taking the drug may experience colorvision abnormalities.
- Sildenafil 50 mg works best with sexual arousal.
- Do not take it with other ED medications simultaneously.
- Keep hydrated but avoid excessive alcohol intake.
- The drug is not a cure but manages symptoms.
- Some users may experience nasal congestion.
- Stay informed about possible interactions with supplements.
- Do not use expired medication.
- Follow up with your doctor for ongoing assessment.
Some complained of blurriness and loss of peripheral vision.
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[8] Rare but serious side effects include vision problems, hearing loss, and prolonged erection (priapism) that can lead to damage to the penis. [8] Sildenafil should not be taken by people on nitric oxide donors such as nitroglycerin, as this may result in a serious drop in blood pressure. Sildenafil acts by blocking phosphodiesterase 5 (PDE5), an enzyme that promotes breakdown of cGMP, which regulates blood flow in the penis. [8] It requires sexual arousal to work, and does not by itself cause or increase sexual arousal. [8] It also results in dilation of the blood vessels in the lungs.
More common
Pfizer originally discovered the medication in 1989 while looking for a treatment for angina. [11] It was approved for medical use in the United sildenafil 25 mg tablets States and in the European Union in 1998. [5][8][11][12] In 2023, it was the 151st most commonly prescribed medication in the United States, with more than 3 million prescriptions. [13][14] It is available as a generic medication. [15][16] In the United Kingdom, it is available as a pharmacy medicine. In July 2005, the US Food and Drug Administration (FDA) updated labeling for tadalafil (Cialis), vardenafil (Levitra), and sildenafil
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The primary indication of sildenafil is treatment of erectile dysfunction (inability to sustain a satisfactory erection to complete sexual intercourse). Its use is now one of the standard treatments for erectile dysfunction, including for males with diabetes mellitus. Tentative evidence suggests that sildenafil may help males who experience antidepressant-induced erectile dysfunction. While sildenafil improves some markers of disease in people with pulmonary arterial hypertension, it does not appear to affect the risk of death or serious side effects. Sildenafil and other PDE5 inhibitors are used off-label to alleviate vasospasm and treat severe ischemia and ulcers in fingers and toes for people with secondary Raynaud's phenomenon;[9][21] these drugs have moderate efficacy for reducing the frequency and duration of vasospastic episodes.
Common Adverse Effects
[9] As of 2016,[update] their role more generally in Raynaud's was not clear. Sildenafil has shown some potential for improving exercise performance at high altitudes. However, its overall efficacy is not clear. Sildenafil has been studied for high-altitude pulmonary edema (HAPE), but its use is currently not recommended for that indication. In clinical trials, the most common adverse effects of sildenafil use included headache, flushing, indigestion, nasal congestion, and impaired vision, including photophobia and blurred vision. (Viagra) to reflect a small number of post-marketing reports of sudden vision loss, while acknowledging that "...it is not possible
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you experience any sudden decrease or loss of vision; you experience any sudden decrease or loss of vision; you experience any allergic reaction, such as wheeze, breathing difficulties, or swelling around the eyes or airways; you experience any allergic reaction, such as wheeze, breathing difficulties, or swelling around the eyes or airways; (If you are on nitrate medications for chest pain, do not take them.) (If you are on nitrate medications for chest pain, do not take them.) Severe side effects are rare, but they do happen. If you do experience any of the above severe side effects, you should seek urgent medical attention. Handled correctly, sildenafil citrate is a generally safe and effective way to treat erectile dysfunction. But you should always read the Patient Information Leaflet before taking it. To find out more, book a consultation with one of our clinicians.
How does sildenafil work (mechanism of action)?
If your selected quantity is intended to last longer than one month, please recheck the price using the 3-months supply option. In some cases, the estimated drug price may vary depending on the supply duration. You may find alternative ways to save with this medication. Talk to your pharmacist about the potential option(s) noted below. View images of SILDENAFIL CITRATE (Generic for REVATIO) and identify pills by imprint, color or shape. to determine whether these oral medicines for erectile dysfunction were the cause of the loss of eyesight or whether the
| Side Effect | Frequency | Severity | Management Tips |
|---|---|---|---|
| Headache | Common | Mild to moderate | Analgesics, hydration |
| Flushing | Common | Mild | Cooling measures, hydration |
| Nasal Congestion | Common | Mild | Use decongestants cautiously |
| Dizziness | Less common | Mild to moderate | Avoid operating machinery |
| Visual Disturbances | Rare | Mild to moderate | Discontinue if persistent |
| Priapism | Rare | Severe | Immediate medical attention |
problem is related to other factors such as high blood pressure or diabetes, or to a combination of these problems. "[25] A careful review of pooled data from clinical trials containing well documented
- Sildenafil can cause side effects like dizziness.
- Use with caution if you have liver or kidney issues.
- The medication may cause vision changes or blurriness.
- Take sildenafil on an empty stomach for quicker effect.
- Follow your doctor’s dosage instructions strictly.
- Overdose may lead to serious health complications.
- Avoid driving or operating machinery after taking.
- Use only the prescribed strength, 50 mg.
information about the dose and duration of exposure to the drug for a
- Sildenafil 50 mg is on the list of ED treatment options.
- It has been FDA-approved for safety and efficacy.
- Avoid high-fat foods immediately before taking.
- Alcohol can diminish the drug's effect.
- Patients should seek medical advice for persistent side effects.
- The medication should never be used recreationally.
- Disclose all health conditions before starting treatment.
- Adhere strictly to prescribed dosage and instructions.
large number of patients, yields no evidence for an increased risk of non-arteritic
What causes Erectile Dysfunction?
Sildenafil is a medication used to treat erectile dysfunction which is effective and generally well-tolerated. There are a few potential side effects to be aware of, including headaches, nausea, and dizziness. These are fairly uncommon, but if you are struggling with them you should speak to your clinician. But like any other medication, it needs to be taken exactly as your doctor or pharmacist has instructed. Sildenafil works by allowing your arteries to relax and open, by making more of a chemical called cGMP available.
Platelet-aggregation Inhibitors
Increasing blood flow through the arteries in the penis means improved erectile function. Cells in your arteries normally release nitric oxide, which, via molecular messengers including cGMP, sends instructions to muscle proteins to relax. This causes increased blood flow into your penis, which causes an erection. An enzyme called PDE-5 normally breaks down that cGMP, which reverses that relaxation, allowing your erection to subside. Sildenafil, a PDE-5 inhibitor, helps maintain that erection instead. anterior ischemic optic neuropathy or other adverse ocular events associated with PDE5 inhibitor use.
- Sildenafil 50 mg tablets are used to treat erectile dysfunction.
- The medicine improves blood flow to the penis.
- Take sildenafil 50 mg 30-60 minutes before activity.
- Do not exceed one tablet per 24 hours.
- Common side effects include headache and flushing.
- Avoid consuming high-fat meals before taking it.
- Alcohol may reduce the effectiveness of the medication.
- Consult a doctor if you experience prolonged erections.
Rare but serious adverse effects found through postmarketing surveillance include prolonged erections, severe low blood
Before taking this medicine
There are some situations where you should not take sildenafil. You’re taking medications known as nitrates You’re taking medications known as nitrates You’re taking amyl nitrites (also known as “poppers”) You’re taking amyl nitrites (also known as “poppers”) You’re taking medications known as protease inhibitors You’re taking medications known as protease inhibitors You’re taking medications known as alpha-blockers You’re taking medications known as alpha-blockers You’re already taking sildenafil or any other PDE5 inhibitor in another form You’re already taking sildenafil or any other PDE5 inhibitor in another form You have any heart, liver or kidney problems You have any heart, liver or kidney problems You are taking medications for pulmonary arterial hypertension You are taking medications for pulmonary arterial hypertension You’re under the age of 18 You’re under the age of 18 The recommended starting dose is 50 mg. You shouldn’t take this more than once within a 24 hour period. Taking it more than once a day will increase the chance of side effects. If, after taking sildenafil, you feel the effect is too strong or too weak, you should talk to your doctor or pharmacist who may suggest an adjusted dosage for you or an alternative treatment.
FAQs About Sildenafil Dosage
You should not take sildenafil film-coated blue sildenafil tablets in combination with sildenafil oro-dispersible tablets. Take your sildenafil about an hour before you plan to have sex. Swallow the tablet whole with a glass of water. You can take it with or without food, but you might find that the effect takes longer to start if you’ve eaten heavily. Alcohol can interfere with your ability to get an erection (we’ve written about it in detail here), so to maximise the benefit of sildenafil, it’s best to give the beer a miss. pressure, myocardial infarction (heart attack), ventricular arrhythmias, stroke, increased intraocular pressure, and sudden hearing loss.
What is Daktarin Gold 2% Cream?
Grapefruit juice may increase the incidence of unwanted side effects of sildenafil. The effects of sildenafil last approximately four hours, which means your erectile function is improved for four hours. The effects of sildenafil become evident when you are sexually stimulated or aroused. You should not have an erection for four hours - a prolonged and painful erection (priapism) is a surgical emergency, and you should seek urgent medical attention should this happen. Most people feel the effect of sildenafil in 45 minutes or so.
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You’ll need to have sexual stimulation or feel sexually aroused to get an erection. If nothing happens, or if not enough happens, you should inform your doctor. You may experience side effects, and some are more common than others You may experience side effects, and some are more common than others Sildenafil may cause side effects which include dizziness and altered vision. You should be aware of your personal reaction to sildenafil before you drive or operate heavy machinery whilst taking it. Sildenafil may cause side effects which include dizziness and altered vision.