Viagra is usually used when it is necessary, usually for half an hour before communication. The preparation is approved, it is a peroralny preparation and is on sale in packagings on 25 mg, there are dosages stronger on 50 mg and 100 mg. Viagra - the registered brand name of a molecule of the preparation Sildenafil.
Contraindications of acceptance of Viagra, is the diseases connected with problems of a blood pressure. But in any case it is more than acceptance, than one tablet it is necessary to avoid.
If you observe allergic reactions, you shall consult to the doctor. Allergic reactions include an itch, exaggerated lips, rash, the exaggerated person.
It is easy to purchase generic viagra online, to use the main thing with care. Also avoid purchase of preparations with suspiciously low price — it there can be swindlers