A: Viagra 100mg Tablet is primarily used to manage erectile dysfunction (ED) in men by increasing blood flow to the penis, helping men achieve and maintain an erection during sexual activity.
A: No, Viagra 100mg Tablet is a prescription medication and should only be used under the supervision of a healthcare provider. It is essential to consult a doctor to determine the appropriate dosage and ensure safety. Do not self-use Viagra or any ED pills without proper doctor consultation. FDA warns consumers not to use unapproved erectile dysfunction products as they may cause serious side effects like chest pain, fainting, etc.
A: No, Viagra 100mg should not be taken daily. It is typically used on an as-needed basis, with a recommended maximum dose of one tablet per day. Overuse can increase the risk of side effects.
A: Yes, Viagra is an effective for erectile dysfunction (ED) in men. It works by increasing blood flow to the penis, helping men achieve and sustain an erection when sexually stimulated.
A: The best time to take Viagra is approximately 1 hour before sexual activity. However, it can be taken between 30 minutes and 4 hours in advance for optimal effectiveness. Avoid taking it right after a heavy meal, as it may delay its onset.
A: The maximum recommended dose of Viagra is 100mg per day. Do not take more than one dose within a 24-hour period. Always follow your doctor’s recommendations.
A: It is generally not recommended to split a Viagra 100mg tablet unless instructed by your doctor. If a lower dose is required, your doctor may prescribe a 50mg or 25mg dose instead.
A: Viagra can cause a drop in blood pressure, which may be risky for people with certain heart conditions, especially if taken with nitrates or other medications for heart disease. Always consult a doctor before using Viagra if you have a history of heart problems.
A: In rare cases, Viagra has been associated with sudden vision loss due to a condition called non-arteritic anterior ischemic optic neuropathy (NAION). If you experience sudden vision changes or loss, stop taking Viagra and seek immediate medical attention.
A: Viagra can be safe for older adults, but dosage adjustments may be necessary, especially if they have underlying health conditions like heart disease or liver problems. It’s important for older adults to consult their doctor before using Viagra.
A: Common side effects in men taking Viagra 100mg may include headache, flushing, dizziness, blurred vision, and indigestion. If any side effects persist or cause discomfort, consult your doctor.
A: Viagra typically starts working within 30 minutes to 1 hour after ingestion. The exact time may vary depending on factors like food intake, metabolism, and individual response.
A: The effects of Viagra generally last for about 4 to 5 hours. However, the duration may vary depending on the individual, and Viagra will only work with sexual stimulation.
This document contains resources for potential side effects and possible drug interactions information. It contains not all possible side effects of Viagra. You should takeooth for any side effects to be considered safe. If you have any concerns or questions about the side effects reported, any risks or risks to the patient, the document’s contains a full list of potential interactions.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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Read MoreReferences:
Paraguay, Sildenafil (2021) Sildenafil (Brand name: Dapoxetine) ingredient list, sildenafil citrate, brand name Dapoxetine (Brand name: Dapoxetine), active ingredient - sildenafil citrate. Available from:urn:cartons-cartons-pills-cartons-25-mg-online-chemistDr Fox: Erectile dysfunction
Published: 21 May 2025
Updated: 26 May 2025
Updated: 27 May 2025
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This story has been mixed on whether or not Viagra may be more dangerous than other recreational drugs.
In a new study, the University of California researchers found Viagra may be a safer, more effective treatment for erectile dysfunction.
The findings, published online in, show that more than 80 percent of U. S. men who have ED are also taking sildenafil. Viagra was approved for sale in 1998.
Sildenafil, which is marketed as Viagra, is also used to treat pulmonary arterial hypertension and pulmonary arterial hypertension with some success.
A 1998 study by the University of California, San Diego, found that a drug that was known for treating erectile dysfunction and erectile dysfunction in men was no more effective than a drug that wasn’t known for treating the condition.
The study also found that some men who were taking sildenafil had a lower incidence of ED than healthy men who weren’t taking Viagra.
Viagra, marketed as Revatio, is the first drug approved by the FDA for the treatment of ED.
But while sildenafil is effective, Viagra can have an impact on other drugs, such as.
Sildenafil, the active ingredient in Viagra, works by relaxing the blood vessels in the penis. This allows increased blood flow and allows men to get and maintain an erection when sexually aroused.
Viagra also can increase blood pressure and cholesterol levels in the blood. It may not be safe for people who are dehydrated, as it may increase their risk of kidney damage.
If you are taking sildenafil or taking any other medications, tell your doctor or pharmacist if you are taking any of the following medications:
Nitroglycerin
Other alpha blockers
Nonsteroidal anti-inflammatory drugs (NSAIDs)
Oral contraceptives (birth control pills)
Any medications that may interact with sildenafil include ritonavir, indinavir, saquinavir, diazepam, almotriptan, duloxetine, amlodipine, fosamprenavir, indinavir, lopinavir, nelfinavir, ritonavir, ritonavir-containing vaccines, nelfinavir, ritonavir/sildenafil, ritonavir/nelfinavir, nelfinavir-containing oral contraceptives, phenytoin, phenobarbital, phenytoin-containing oral contraceptives, rifampin, rifabutin, ritonavir, quinupristin, warfarin, carbamazepine, phenobarbital, phenytoin-containing oral contraceptives, phenobarbital-induced diabetes, phenytoin-containing vaccines, rifabutin, rifabutin, phenobarbital, rifabutin, rifabutin, ritonavir, ritonavir/nelfinavir, rifabutin, rifabutin, rifampin, rifabutin, rifapentine, rifabutin, rifabutin, rifapentine, rifapentine, rifapentine, rifapentine, rifabutin, rifapentine, rupatil, rifapentine, ripexitech, rut contracepts
Sildenafil, the active ingredient in Viagra, was approved for the treatment of erectile dysfunction and is only available in a generic form.
Food and Drug Administration (FDA) approved Viagra in 1998.
Treatments for erectile dysfunction are increasingly popular. They're not a last resort because they can be life-saving, but they can also be life-threatening.
But there's a big problem with treatments for erectile dysfunction, including the popular drugs Viagra, Cialis, and Levitra. They're not FDA-approved.
In fact, the FDA has said that Viagra may cause priapism, a potentially life-threatening health emergency, when taken improperly. In a new study, researchers at Indiana University School of Medicine found a similar risk.
They also said there was no scientific evidence to support the safety of Viagra, Cialis, or Levitra. So, they said, it's not clear that treating erectile dysfunction is safe.
"I would recommend that you take Viagra at least 2 hours before sexual activity, and then at least once daily for at least 4 hours," said Dr. John Kesselheim, a professor of urology at Indiana University and the director of urology at Indiana State University.
Viagra works by relaxing the walls of blood vessels, which help increase blood flow to the penis. But it doesn't work for every person with erectile dysfunction, said Dr. Michael Nissen, a urologist at New York University Hospital.
In men with erectile dysfunction, a drop in blood flow can cause a painful erection, or it can be a sign of an underlying health condition.
Viagra has a safety warning because it can increase the risk of priapism and can cause other side effects.
In addition, patients who take Viagra for heart problems and other erectile dysfunction can get a sudden decrease or loss of vision, especially if they have an eye problem, the warning said.
But the side effects of Viagra and Cialis can be serious, even life-threatening, Dr. Kesselheim said.
"The only thing that's effective is a short-term solution," he said. "That doesn't mean that there aren't side effects, but that's not always a safe thing to do."
Viagra has also been linked to an increased risk of sexually transmitted diseases, including HIV and hepatitis B, according to the FDA.
The drug, which is FDA-approved to treat erectile dysfunction, is also approved to treat pulmonary arterial hypertension, a type of high blood pressure.
The FDA has said that Viagra and Cialis may cause priapism, a potentially life-threatening health emergency, when taken improperly.
"The only thing that's effective is a short-term solution," said Dr. Kesselheim. "That doesn't mean that there aren't side effects, but that's not always always a safe thing to do."
Viagra, Cialis, and Levitra are FDA-approved for erectile dysfunction. Cialis and Levitra are not.
But Viagra and Cialis, which are the main drugs for erectile dysfunction, are not approved for treating other conditions.
And they're not FDA-approved for treating pulmonary arterial hypertension, a type of high blood pressure.
In fact, there is currently no drug approved for treating pulmonary arterial hypertension. And there's a possible risk of heart problems, Dr.
Viagra is the first FDA-approved drug for treating pulmonary arterial hypertension.
While it's not FDA approved for treating erectile dysfunction, it can cause priapism.
Viagra and Cialis are not FDA-approved for treating pulmonary arterial hypertension, a type of high blood pressure.
Levitra is approved for treating erectile dysfunction.
Levitra is approved for treating pulmonary arterial hypertension.
Viagra is the first drug for treating erectile dysfunction. It's also approved to treat erectile dysfunction.
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