When buying nonprescription viagra you have no require a health certificate.

It is for this reason that you have to make a decision by yourself if you fit best over the counter viagra or not. It should be known to everyone, in which cases online viagra without prescription is contraindicated.

Please note that not all modern generic of otc viagra compatible with other medications for various effects. If for health reasons you have to use nitroglycerin, azeotropic or inhibitors, viagra otc is incompatible with them.

Contraindications include disease such as heart failure, cardiomyopathy. Not recommended viagra over prescription online to those who suffered a heart attack or stroke at least six months ago.
In the presence of diseases of the gastrointestinal tract, liver and kidney drug should be taken with caution, in small doses, to monitor their condition, to promptly abandon the wrong means.
Viagra does not need the prescription, but do not use it, if you have neurological symptoms, such as blurred vision.
Take special care if you suffer from cancer, deformation of the penis, anemia, and other blood diseases.
With increased and reduced pressure may experience side effects.
Before taking the drug, make sure that does not suffer from increased sensitivity and a tendency to allergic reactions.
Viagra over the counter is not intended for guys under 18 years old.
People does not always know that they are sick. There are some cases where a hidden disease is not made themselves felt in a normal condition, the symptoms made themselves felt only under the influence of viagra or some kind of generic. It may play a role the factor of individual intolerance. When you feel pain or other discomfort after starting to use over the counter viagra, treat this fact seriously. Deterioration not only reduces the quality of life but also puts it in danger.

Overdose is another nuisance that can be found using these pills. Forgetfulness or desire to achieve a more powerful effect, lead to a single overdose. It is also important to know that sildenafil – the main component of viagra medicine group – tends to accumulate in the body with prolonged use. The maximum allowable weight is considered to be 800mg. This is the approximate average, which does not take into account the weight and health of every patient, so it may be deviations in the one and the other side. When a long reception of medicines coming to a critical point, it is necessary to take a break, then it will be possible to resume.

How to recognize the signs of an overdose? It is heat, the sharp decrease in pressure, headache and dizziness, loss of appetite, the appearance of red spots on the face and body, runny nose, blurred vision.

What to do if you find yourself listed symptoms? Do not wait, seek medical attention. Specialist properly assesses your state of health and prescribe appropriate treatment. Usually enough to take medication, eliminating unpleasant symptoms.