This medication is also sometimes used to treat pulmonary hypertension because of the way it works on the blood vessels in your lungs. If you experience a prolonged or painful erection for 4 hours or more, contact your doctor immediately. This condition may require prompt medical treatment to prevent serious and permanent damage to your penis. If you take sildenafil for pulmonary arterial hypertension, do not take Viagra® or other PDE5 inhibitors, including tadalafil (Cialis®) or vardenafil (Levitra®). If you take too much sildenafil or take it together with these medicines, the chance for side effects will be higher. Do not use this medicine if you are also using a nitrate medicine, often used to treat angina or high blood pressure.
What are Viagra’s side effects?
Viagra’s effectiveness typically extends up to four hours, with its peak impact occurring within the first two hours. Viagra continues to be active beyond two hours, but its effects may diminish somewhat. It’s important to remember that Viagra should be taken as directed by a health care professional, and buy xanax without prescrition individual response times may slightly differ. Viagra works by inhibiting an enzyme in the body known as PDE5, short for phosphodiesterase type 5. This enzyme breaks down crucial chemicals involved in the erection process.
The lists below describe some of the more common side effects that Viagra may cause. This window allows individuals a substantial time frame to engage in sexual activity, offering flexibility and maintaining a satisfying and fulfilling experience. This is a synthetic hormone that helps to stimulate blood flow to the penis. Manufacture and sale of sildenafil citrate drugs is common in China, where Pfizer’s patent claim is not widely enforced. Studies have shown an increase of testosterone levels in reaction to sildenafil (generic Viagra). However, this was carried out on men with low baseline testosterone who were given an optimised dose so may not affect other patients in the same way.
Some medications, such as ritonavir, ketoconazole, itraconazole, and erythromycin, can affect your body’s ability to properly absorb and metabolize Viagra. However, people who take Viagra at a dose of 100mg are also more likely to experience side effects than those who take lower doses. Research does suggest that taking Viagra at a prescribed dose of 100mg is more likely to treat ED than other doses. In clinical trials, 82 percent of men who used a 100mg dose reported improvements in their arousals. The products discussed in this site may have different product labeling in different countries. The information provided is for educational purposes only and is not intended to replace discussions with a healthcare provider.
In clinical trials that led to the approval of Viagra, 63 percent of men who were treated with this 25 mg dose of Viagra reported improved arousals. Currently, 25mg is the lowest dose of Viagra approved by the FDA to treat ED. It’s less likely to cause side effects than higher doses, all while providing relief from mild ED.
Call your doctor right away if you have an allergic reaction to Viagra. But if you think you’re having a medical emergency, call 911 or your local emergency number. Headaches were one of the most common side effects in studies of the drug. Here’s a list of some of the mild side effects that Viagra can cause. To learn about other mild side effects, talk with your doctor or pharmacist, or read Viagra’s prescribing information.
This means your doctor may need to get approval from your insurance company before your insurance company will pay for the prescription. You should not need a new prescription for this medication to be refilled. Your doctor will write the number of refills authorized on your prescription. This drug shouldn’t be used in children younger than 18 years of age. Talk with your doctor if you’re pregnant or planning to become pregnant. However, this drug should only be used during pregnancy if clearly needed.
How effective is Viagra for men?
(An active ingredient is what makes a drug work.) It belongs to a group of drugs called phosphodiesterase-5 inhibitors. Sildenafil also helps individuals with pulmonary arterial hypertension (PAH) by relaxing the blood vessels in the lungs. This relaxation facilitates smoother blood flow through the pulmonary vessels, making it easier for the heart to pump blood to the lungs. This article will explore Viagra (sildenafil), a prescription-only medication designed to combat ED. Sildenafil protects cyclic guanosine monophosphate (cGMP) from degradation by cGMP-specific phosphodiesterase type 5 (PDE5) in the corpus cavernosum.
Instead, Viagra is approved only to treat erectile dysfunction (ED) in adult males. This way, blood flow to the penis can occur and not be stopped by PDE-5. This also widens your blood vessels to allow more blood to flow into your penis. An erection, which is the hardening of the penis, occurs when the sponge-like tissue in the penis fills with blood. When the brain becomes aroused, signals are sent to the penis, leading to the release of a chemical called cGMP. CGMP relaxes particular muscle cells in the tissue of the penis, and this allows an increase in blood flow to the area.
The max dose of Viagra approved by the FDA (U.S. Food and Drug Administration) is 100mg. If you have mild ED or if you experience side effects of Viagra at a higher dose, your healthcare provider may suggest 25mg of Viagra. Finding the perfect Viagra dose can be a matter of trial and error. Your healthcare provider might adjust your Viagra dosage by weight, age, or other factors. VIAGRA does not protect against sexually transmitted diseases, including HIV.
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