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Viagra®
Brand Name: 비아그라처방 Viagra®
Active Ingredient: sildenafil citrate
Strength(s): 25mg, 50mg & 100mg
Dosage Form(s): Oral tablet
Company Name: 레비트라 판매 Pfizer Inc.
Availability: Prescription only
Date Approved by FDA: March 27, 1998

What is Viagra used for?
Viagra is used to treat impotence in men. Viagra increases the body's ability to achieve and maintain an erection during sexual stimulation. Viagra does not protect you from getting sexually transmitted diseases, including HIV.

Who should not take Viagra?
Men who are currently using medicines that contain nitrates, such as nitroglycerin should not use Viagra because taken together they can lower the blood pressure too much. Viagra should not be used by women or 시알리스 구입 children.
Reports of Patients' Experiences Since Viagra Became Available:
In patients taking Viagra, several heart-related side effects have been reported, including heart attack, sudden death, irregular heart rhythm, stroke, chest pain, and increased blood pressure. It is not possible to determine whether these events are directly related to Viagra, to sexual activity, to the patient's heart condition, to a combination of these factors, or 비아그라처방 to other factors.
The following factors are associated with increased blood levels of Viagra:
age greater than 65 years
liver problems (such as cirrhosis)
severe kidney problems
taking certain medications at the same time (e.g., ketoconazole, itraconazole, erythromycin and saquinavir).
In these patients, 비아그라처방 the recommended starting dose of Viagra is 25 mg.

Special Warnings:
Viagra was not studied in patients who have a history of the following conditions:
Heart attack, stroke, or life-threatening irregular heart rhythm within the last 6 months
Very low and 비닉스 지속시간 very high blood pressure
Heart failure or unstable chest pain
Certain eye disorders
Viagra can cause a rare but serious condition of prolonged erection (priapism). It is important to contact your health care provider immediately if your erection lasts longer than 4 hours.

Possible side effects:
Headache
Flushing
Upset stomach
Stuffy nose
Urinary tract infection
Visual changes such as mild and temporary changes in blue/green colors or increased sensitivity to light.
Diarrhea

More information can be found at website or on the package insert.