Viagra 25 mg

Features

• Ingredients: Sildenafil 25 mg
• Time of action: up to 5 hours
• Onset of action: 30-60 minutes
• Active ingredient: Sildenafil (Sildenafil)
• Daily dosage: up to 100 mg
• Application: Suitable for daily use
• Alcohol compatibility: Incompatible

Pharmacological effect on the body

Viagra 25 mg tablets are able to normalize the natural reaction of the penis to sexual irritation. The mechanism itself, which gives a certain erection, is practically impossible without the production of NO in the corpus cavernosum during lovemaking. Nitrous oxide activates a special enzyme called guanylate cyclase, as a result, the level of guanosine monophosphate rises in the body, a process of relaxation of the muscles of the corpora cavernosa occurs, and the blood flow in the penis is noticeably increased. Viagra is well tolerated by healthy subjects with a single use in a volume that does not exceed 100 mg. This drug should be used for various erectile dysfunction (usually psychogenic).

Usage

Viagra tablets are taken orally, about an hour before intercourse. The best in its effectiveness single dose - 2 tablets of 25 milligrams, once a day. Also, you should take into account your personal tolerance to this drug, it should be remembered that the dose can be reduced to 25 milligrams and increased to one hundred milligrams per day. However, this is the maximum daily dose.

Pregnancy

Viagra should not be taken by women who are pregnant. Regarding the reasons and answers to the question "why?" - experiments were carried out on rats and rabbits, as a result, no teratogenic effect of the drug was revealed.

Interaction with other medicinal products

It should be remembered that Viagra, together with sodium nitroprusside, increases its antiplatelet effect. In addition, when combined with nitrates, Viagra tablets enhance their medicinal effect. This sometimes leads to death. Further, the simultaneous intake of Viagra with hypoglycemic drugs is dangerous for the patient's health.

Possible overdose while drinking

Numerous studies have revealed that during an overdose of Viagra, many patients experienced certain side effects. In this case, symptomatic therapy should be used as the main treatment tool.

Release form

Viagra tablets are sold in pharmacies in the form of rectangular coated tablets. These tablets are packed in an aluminum blister, which is in a small cardboard box.

Storing Viagra

This drug should be kept out of the reach of a child. The temperature should not be higher than 30 degrees. Storage time is no more than two years. It is dangerous to use an already opened drug. Also, you need to monitor the expiration date.

Composition of Viagra

The main substance in the composition of the drug is Sildenafil, which is presented in the form of citrate. The main auxiliary substances are: calcium hydrogen phosphate, magnesium and other substances.

Optional

Viagra is sold in stores and pharmacies by prescription.

Contraindications

- strong sensitivity to individual components of the drug. For example to sildenafil. - Viagra cannot be used together with other drugs created for the treatment of erectile dysfunction (the level of safety and effectiveness of this type of therapy has not been studied well enough. This should be taken into account). Among other things, Viagra is not intended for use by children and adolescents prior to puberty. Also, Viagra must be used with caution if there is anatomical deformity of the penis (for various diseases in the genital area, with cavernous fibrosis, etc.); and in diseases that are conducive to the development of priapism (for example, such as anemia of various types, lyukemia, etc.)