Viagra by Pfizer
Introduction
Viagra is a Pfizer, Inc registered trademark
which contains the active ingredient sildenafil
citrate. It is available in 25mg, 50mg, and 100mg
doses and is sold through prescription only. It’s
taken as an oral tablet and has proven to be one
of the most successful drugs of the decade for
treating Erectile Dysfunction. It is an FDA approved
drug and seen as safe for human consumption.
Uses of Viagra
Viagra is actively used for the treatment
of male impotence and works by increasing the
blood flow to the penis increasing the body’s
ability to maintain and achieve an erection
during sexual stimulation.
Who should not be taking Viagra:
Viagra Is Strictly
Prohibited To
- Men taking nitrates such as nitroglycerin
- Viagra should not be used by women or children.
Extreme Side Effects
of Viagra
Viagra is reported to have caused:
- Heart Attacks
- Sudden Death
- Irregular Heart Beats
- Stroke
- Chest Pain
- Increased Blood Pressure
However, the side
effects are not always directly related
to the effect of Viagra as they can be caused
due to:
- Sexual Activity
- Patients Blood Pressure
- Patients Heart Condition
- A combination of the above factors
That is why it is suggested that patients
take Viagra under a doctor’s prescription.
Symptomatic 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
Patients with the following
symptoms should use Viagra with care:
- Age more than 65
- Liver problems
- Kidney Problems
- Medications (e.g., ketoconazole, itraconazole,
erythromycin and saquinavir).
Such patients are recommended to take a starting
dose of 25 mg Viagra.
Warning: Circumstances
in which the effect of Viagra is not known
- Patients that have had heart attacks, strokes
or have had an irregular heart rhythm especially
within a 6 month period.
- Patients that have extreme low and high
blood pressure
- Prolonged erections: contact your health
care provider immediately.
- Patients with HIV infection
- Patients with certain eye disorders.
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