Viagra is a medication prescribed to treat erectile dysfunction in men and blood flow circulation issues of the pelvis. The medicine is also sometimes used to treat pulmonary arterial hypertension. Viagra comes in various doses. It comes as a 25mg, 50mg, and a 100mg tablets which are taken orally by mouth. You can order Viagra online only if you have a valid doctor’s prescription. Having a valid doctor’s prescription allows one to easily order Viagra online from a genuine online pharmacy at the best prices. A dose of 150 mg is usually prescribed by doctors and the dosage is increased only if necessary. To buy Viagra from a registered online pharmacy you do require a valid doctor’s prescription.
How does Viagra work?
Viagra comes under the PDE-5 inhibitors which block the enzymes known as cGMP specific. It is the substance which aids in smoothening the muscles of the pelvic and widens the blood vessels thereby reliving symptoms of erectile dysfunction.
Viagra dosage
For most patients, the recommended dosage of Viagra is 50mg per day. It should be consumed approximately one hour before sexual activity. However, Viagra can be consumed 30 minutes to 4 hours prior to sexual activities. The maximum dosage of Viagra is only one dose in a day. Based on the effectiveness of the medicine, the dosage of Viagra can be increased or decreased.
Viagra and its side effects
You can buy Viagra online or Viagra for sale is also available in pharmacies. This medicine comes with an instruction manual and information pamphlet. It is essential to read the instructions carefully before consuming the medicine. There are quite a few side effects associated with the use of Viagra. These include:
- Visual disturbances
- Nasal congestion
- Sensitivity to light
In very rare cases, Viagra can have the following severe side effects.
- Sudden loss of hearing
- Heart attack
- Ventricular arrhythmias
- Damage to the optic nerves
Interaction of Viagra with other medicines
It is very important to consult a doctor before having Viagra. People with HIV who take protease inhibiting medications should discuss the use of Viagra with the doctor because the protease inhibiters increase the severity of the side effects. Those on protease inhibiters should not have more than 25 milligrams of Viagra in a day. Apart from the HIV patients, the following cases should also consult a doctor before taking Viagra and take appropriate precautions. These include people who have:
· Liver impairments
· Kidney diseases
· Heart attacks or strokes in the past
· Heredity degenerative diseases
The effect of Viagra
Viagra helps men who cannot sustain or achieve an erection due to erectile dysfunction. It aids in improving the erectile response of men during sexual intercourse. Viagra should be taken one hour prior to sex for the maximum effect. The effect of Viagra reaches its peak within a span of 30 minutes to 120 minutes. The effect of Viagra lasts for up to 5 hours.
Viagra overdose
An overdose of Viagra can prove to be quite fatal. Hence, it is strictly recommended to only have Viagra as prescribed by the doctor. The symptoms of a Viagra overdose are:
- Optic neuropathy
- Blurred vision
- Rhabdomyolosis which is the breakdown of the muscles
- Increases hear rate
- Prolonged priapism
Death from the Viagra overdose is quite rare but there is a possibility.
Where to buy Viagra?
Viagra can be bought from the conventional pharmacies or even from genuine online pharmacies. Viagra for sale is only available if the patient holds a valid doctor’s prescription. Viagra without a prescription cannot be sold by any pharmacy. You should only buy Viagra from genuine registered pharmacy online or from the conventional pharmacies. There are various pharmacies online which sell Viagra without prescription. One should avoid buying Viagra online from these pharmacies as they may sell fake medicines or expired ones.
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