Viagra is a prescription medication for men used to treat impotence, ED, and pulmonary hypertension. When used to treat ED (erectile dysfunction) or impotence, it works by relaxing the muscles in the penis to allow more blood flow into the area and thus allowing the creation of an erection.
To get a prescription for Viagra, one must visit their doctor to make sure that it is a medicine that could benefit them and also make sure that they don’t have any pre-existing or contradicting conditions that would negate their ability to use Viagra. Some conditions that may affect your ability to use Viagra are the following:
• those on nitric oxide donors, nitrates, and organic nitrites
• individuals with hereditary degenerative retinal disorders
• people with kidney disease
• people with severe liver impairment
• men who are advised to refrain from sexual intercourse because of cardiovascular risk factors
• individuals with low blood pressure (hypotension)
• those who have had a recent heart attack or stroke

Buy Viagra online

Viagra is an oral medication and it can be taken 30 minutes to 1 hour before sexual activity. Only take Viagra once per day. It comes in 25mg, 50mg, and 100mg pills that are often blue and diamond shaped. If you have a painful erection that lasts longer than 4 hours than you may be suffering from priapism and you should seek medical care immediately so that the extra blood can be drained from the penis with a large bore needle.

Overdose – is it possible?

You can overdose on Viagra. Overdose deaths from Viagra are rare, but they do happen. Below are some signs and symptoms of possible Viagra overdose. If you experience any of these, then you should seek immediate medical care.
• vomiting
• blurred vision and distorted vision
• diarrhea
• prolonged priapism
• tachycardia (increased heart rate)
• papilledema – swelling in the optic nerve
• optic neuropathy – damage to the optic nerve
• blindness
• rhabdomyolysis – break down of muscles

Viagra for women and recreational use

Viagra was initially created to treat angina pectoris and hypertension. Later on the possible effects on ED or impotence were discovered. There are other options for treating ED. The two most common besides Viagra are Levitra and Cialis. Manufacturers claim that Viagra has no effect on women. Some people do take Viagra recreationally but there is no science on the effects it has or if it is a placebo effect or not. After getting a prescription to Viagra from your doctor, you can purchase Viagra either through a pharmacy or online.

Efficacy

In studies, Viagra has shown to help 4 out of 5 men (with either the 50mg or 100mg dosage) achieve and maintain erections long enough for penetration. Over 50% of men over the age of 40 have some form of ED. This means that they cannot achieve or maintain an erection for long enough to have sex. Sometimes ED only happens occasionally to men, or during every sexual interaction. There are many various causes of ED and they range from both physical to emotional or mental. Talk to your doctor today to see if Viagra is the right medication for you.