Viagra by Pfizer

Pfizer Inc. has registered Viagra as a trademark. It’s active ingredient is sildenafil citrate. There are three different sizes of doses. There is the 50mg, 25 mg and the 100 mg that you will only be able to get by prescription. This is an oral pill that can help to treat ED.

Viagra increases the blow flow to the penis to enable the patient’s ability to achieve and maintain their erection when stimulated.

Women and children should never take Viagra along with men who are taking nitroglycerin.

The problems associated with Viagra could be stroke, a heart attack, chest pain, sudden death, blood pressure increase and irregular heart beat. But they are not all due to taking Viagra but could also be cause due to taking Viagra and other reasons such as pre existing high blood pressure, sexual activity, any heart conditions or any combinations of these.

Patients can only be able to get the prescriptions from a doctor and will need to be watched by that doctor for any signs of the side effects.

Some symptoms that may happen could be flushing, headache, an upset stomach, urinary tract infection, a stuffy nose, some eye problems such as temporary color changing, and becoming more sensitive to light and diarrhea.

The patients that take Viagra 25mg could be those over 65, have liver or kidney problems and or taking medications such as itraconazole, ketoconazole, erythromycin or even squinavir.

There are certain areas that are not that research about when the patients have been on Viagra. These would be the patients that would have had a heart attack, stroke or irregular heart rhythm, the patients with extremely high or low blood pressure, any patient with HIV, for eye disorders. Or even a very long prolonged erection, in which you would need to call your doctor immediately.

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