Viagra

Viagra Medical Information

Viagra is an FDA approved drug used to treat erectile dysfunction. The medication, which comes under the brand name of Pfizer, is used before having sex to improve sexual performance. Viagra has Sildenafil as the major ingredient, which inhibits ED causing enzymes. The pill works well with male as well female patients. It is found to be very safe and causes very few side effects. Proper medical prescription is required for taking Viagra.

Working Mechanism of Viagra

When blood flows into the inner area of penis, the muscles expand, causing an erection. Erectile dysfunction is a situation in which the penis fails to erect hard enough to cause penetration. It is more prominent in depression patients. In addition, the efficiency of muscles decreases with increasing age. Viagra smoothens the blood flow, allowing more blood to flow into the penis. This results in solid erection of penis and successful intercourse. It works well on every age group (above 18).

Who can take Viagra

Any age group, young and old, can consume Viagra. Generally, patients of erectile dysfunction take the sexual performance-enhancing drug. Viagra can also cause a permanent increase in the length of penis.

Who cannot take Viagra (Precautions)

Viagra is a universal drug. It is safe as long as it is taken in right quantities and with right medical prescription.  However, it is not recommended for the following people:

1. Patients that are also using protease inhibitors for HIV treatment should not take Viagra. Viagra interacts with the constituents of protease inhibitors, causing problems in metabolism processes.
2. Cardiovascular patients should strictly avoid Viagra pill. The medication can lead to vital heart problems in extreme conditions.
3. Heart, liver and blood pressure patients are not advised to take Viagra without strict medical advice. Viagra has prominent side effects on these internal parts of human-body.

Viagra Dosage

The pill comes in different quantities. The intake depends upon the needs and body of patient. Elderly users of Viagra should take it in lesser amounts, like 25mg pill. The pill is taken 20-30 minutes prior to sexual intercourse. The effect of medication is observed until 36 hours of its intake. Viagra can also treat pulmonary arterial hypertension, if taken thrice a day.

Adverse Effects of Viagra

Viagra has some adverse effects. However, some precautions like proper medical prescription, less consumption and complete knowledge about the pill can help avoid the side effects. The adverse effects of Viagra are enlisted below:

• Viagra causes headache and migraine related problems in some cases, especially when the user is already suffering from any such disease.

• Viagra is observed to cause blurred vision and temporary sight impairment. Non-regular intake of the pill in light amount can check this side effect.

• The most vital adverse effect is found to be on heart and blood vessels. Hence, heart patients are advised to avoid the medication. Heart stroke and rupture of arteries and veins can also occur in extreme cases.

• Heavy doses of Viagra can cause hypertension for a short period of time. However, this side effect has been observed in a minute percentage of users.

Buying Viagra Online

Most Viagra users prefer online method for buying Viagra. You need to check the authentication of the website before making any such decision. Keep a look on the customers’ reviews on the website. However, buying Viagra online is always preferred than offline mode. This is due to one or more of the following factors:

• Online method of buying Viagra is safer, easier and easily accessible. There are no travelling expenses included, as free overnight shipping facilities can be availed with bulk orders. Detailed and user-friendly websites offer easy user-supplier contact and a better experience.
• Credit card information is never revealed, as under the authentication agreement of the websites. The taxes and other avoidable expenses are the minimum, if you go for online shopping of Viagra.
• Most importantly, if you go for online Viagra then you are entitled to free medical prescription and advice by expert professionals. Experienced doctors will guide you through the right way of taking the pill and pinpoint your limitations, if any that can force to avoid the pill.