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Renal dialysis is not expected to accelerate clearance as sildenafil is highly bound to plasma proteins and not eliminated in the urine. There are no adequate and well-controlled studies in pregnant or breast-feeding women. Sildenafil (100 mg) did not affect the steady state pharmacokinetics of the HIV protease inhibitors, saquinavir and ritonavir, both of which are CYP3A4 substrates. Sildenafil (50 mg) did not potentiate the increase in bleeding time caused by acetyl salicylic acid (150 mg). There are no data on the interaction of sildenafil and non-specific phosphodiesterase inhibitors such as theophylline or dipyridamole. Co-administration of sildenafil with ritonavir is not advised (see section 4.5).

Viagra is remarkably well tolerated and free from significant side effects in the vast majority of men who take it. Viagra increases blood flow which can have adverse effects on other parts of the body, although these are usually mild. Most men who experience side effects carry on treatment regardless. One study found that up to 77% of sildenafil sold online may be counterfeit.

VIAGRA film-coated tablets are blue, with a rounded-diamond shape. They are marked "VIAGRA" on one side and "VGR 25", "VGR 50" or "VGR 100" on the other side. The tablets are provided in blister packs containing 2, 4, 8, 12 or 24 tablets. Do not use this medicine after the expiry date which is stated on the carton and blister after EXP. Do not take VIAGRA film-coated tablets in combination with VIAGRA orodispersible tablets.

Results with all doses have been pooled, but scores showed greater improvement at the 50 and 100 mg doses than at 25 mg. The pattern of responses was similar for the other principal question, the ability to achieve an erection sufficient for intercourse. The titration studies, in which most patients received 100 mg, showed similar results.

There aren’t any foods that have been specifically reported to interact with Viagra. If you have any questions about eating certain foods with Viagra, talk with your doctor. If you have questions about whether you can take Viagra with an antidepressant, talk with your doctor. If you take one of the drugs listed above, tell your doctor if you feel dizzy or lightheaded, or faint after taking Viagra. If you’re interested in taking Viagra to treat PE, talk with your doctor.

If your doctor recommends Viagra for you, they will prescribe the dosage that’s right for you. Always follow the dosage that your doctor prescribes for you. Keep in mind that meals high in fat may cause Viagra to take longer than usual to start working.

So, even if you take it daily, there are times when the medication is not in your system, making it difficult to have an erection. Because of that, Viagra is most often used by people who occasionally have sex. The upside to Viagra is that you only take it when you need it. Common side effects of Generic Viagra include headache, flushing, upset stomach, nasal congestion, blurred vision, dizziness, rash, and diarrhea. Less common side effects include muscle pain, back pain, facial flushing, nasal stuffiness, dizziness, nausea, and vomiting.

Other drugs that operate by the same mechanism include tadalafil (Cialis) and vardenafil (Levitra). Consider a starting dose of 25 mg in patients treated with strong CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, or saquinavir) or erythromycin. Clinical data have shown that co-administration with saquinavir or erythromycin increased plasma levels of sildenafil by about 3 fold [see Drug Interactions (7.4) and Clinical Pharmacology (12.3)]. Population pharmacokinetic analysis of clinical trial data indicated a reduction in sildenafil clearance when co-administered with CYP3A4 inhibitors (such as ketoconazole, erythromycin, cimetidine). Although no increased incidence of adverse events was observed in these patients, when sildenafil is administered concomitantly with CYP3A4 inhibitors, a starting dose of 25 mg should be considered. Most, but not all, of these patients had pre-existing cardiovascular risk factors.

The most common sexual dysfunctions in men include lack of interest, premature ejaculation and erectile dysfunction. The latter affects 52% of men between the ages of 40 and 70, including mild, moderate and complete forms of ED. Although all of our content is written and reviewed by healthcare professionals, it should not be substituted for or used as medical advice. If you have any questions about your health, please speak to your doctor.

You should take this medication 1 hour before anticipated sexual activity. This includes men over 65 years of age and those with certain medical conditions like liver or kidney problems. Viagra® (sildenafil citrate) is prescription medicine used to treat erectile dysfunction (ED). Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. This rare condition is more likely to occur if you have heart disease, high blood pressure, high cholesterol, diabetes, or eye problems, are more than 50 years old, or if you smoke. If you have any eye conditions, such as retinitis pigmentosa or non-arteritic anterior ischemic optic neuropathy (NAION), tell your doctor.

This is most likely to happen within 4 hours after taking VIAGRA. To reduce the chance that these symptoms might happen, you should be on a regular daily dose of your alpha-blocker before you start VIAGRA. Your doctor may start you on a lower dose (25 mg) of VIAGRA. Viagra tablets are not scored although they can be broken in two using a pill cutter.

The safety of VIAGRA is unknown in patients with bleeding disorders and patients with active peptic ulceration. VIAGRA is indicated for the treatment of erectile dysfunction. This is not a complete list of side effects and others may occur. Grapefruit and grapefruit juice may interact with sildenafil and lead to unwanted side effects.

If this serious problem occurs, stop taking sildenafil and get medical help right away. Information on this website is provided for informational purposes only and is not intended as a substitutefor the advice provided by your physician or other healthcare professional. Blink Health is a good option if you’re looking for ED care online but would also like to have low-cost consultations with providers and access to both generic and name-brand ED medications. Treatment for ED is available and accessible, especially as online pharmacies begin to grow in popularity.

Always check the license number and expiration date, this information should be available on the site and is usually posted prominently or at the bottom of the page. In the absence of such, it is better to pay attention to some other site. Also, you shouldn't buy medicines in sex shops, these shops can sell maximum lubricants, and not purely medical products, which also have a prescription status. VIAGRA 100MG TABLET contains Sildenafil, which belongs to the group of medicines called Phosphodiesterase type 5 (PDE 5) inhibitors. It helps in relaxing the blood vessels and allows more blood flow to the penis. Food and Drug Administration (FDA) for ED in doses of 25 mg, 50 mg, and 100 mg.

It also includes certain illegal drugs called poppers, such as amyl nitrate. For instance, some interactions can interfere with how well a drug works. Other interactions can increase side effects or make them more severe. Viagra is approved for use in males ages 18 years and older.

Caution is advised when PDE5 inhibitors are co-administered with alpha-blockers. PDE5 inhibitors, including VIAGRA, and alpha-adrenergic blocking agents are both vasodilators with blood pressure lowering effects. When vasodilators are used in combination, an additive effect on blood pressure may occur. Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you.

The usual recommended dose is 50&nbsp