viagra side-effect and administration

Even patients with hypertension are able to use Viagra. It is that safe!

However as any other drug the preparation may exert side-effect. Common side-effects of Viagra include:

• Headache
• Dizziness
• Blurry vision
• Chromatoscopia
• Increased heart-rate
• Rhinitis
• Dyspepsia

However in rare cases more serious adverse effect may manifest, which require immediate attention from your health care provider among those are:

• Immune system: hypersensitivity reactions.
• Cardiovascular system: tachycardia, decreased arterial pressure, fainting, nasal bleeding.
• Gastrointestinal tract: vomiting.
• Sensory organs: eye pain, red eyes and etc.
• Genital system: priapism, painful long-term erection.

The drug has proven its high level of safety as the above mentioned effects have manifested in less then 1% of the users.

Viagra administration

We are sure that your health care provider will tell you how to use Viagra. However if you forget some of the principles the information on Viagra administration can be found here.

Viagra is taken orally. For most of the patients the normal dosage is one tablet of 50mg – 15-30 minutes prior to the sexual intercourse. Considering the effectiveness and tolerance of the drug the normal dosage may be increased to 100mg or decreased to 25mg.

The preparation should not be taken more frequently then once every 24 hours.

In patients with minor and mediocre renal impairment the dosage correction is not necessary, however in patients with severe renal failure the dosage of Viagra must not exceed 25mg.

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