When Doctors should not Prescribe Generic Viagra?

A doctor should not prescribe generic Viagra for patients with the following health problems:

• Heart Problems – it is prescribed to lower down the blood pressure. If you are presently suffering from a cardiac disorder or if you have a history of such a problem then you need to consult the doctor. You need to find out whether the ingredients will be safe for you or not.
• Kidney Problem – If you have suffered from or still suffer kidney dysfunction, Viagra clearance slows down. This might cause the level of Sildenafil Citrate to increase in the body which might lead to various side effects. If you inform your physician, he/she might prescribe you a low dosage.
• Eye Problems – Viagra might cause sudden loss of vision. Albeit, this is temporary but dangerous. If you ever suffered from the problem of non-arteritic anterior ischemic optic neuropathy then the risk of changes in vision increases to a greater extent.
• Liver Problems –  sildenafil is not well tolerated by men who suffer from liver problems. Thus, when the amount of sildenafil in the body increases, it can lead to adverse reaction.
• Retina Disorder – In case, you are suffering from a rare hereditary disorder, you should stay away from this oral drug for erectile dysfunction.
• Allergies – There are some men who are allergic to the component of erectile dysfunction. Some of the ordinary allergic reaction is throat and tongue swelling.
• This oral drug isn’t prescribed to children below 18 years of age. The medicine hasn’t yet been tested in children and hence should be avoided.

If you are taking nitrates it is better to quit sildenafil application because this combination leads to blood pressure decraese which might have fatal effects. It should not also interact with:

• antifungals;
• antibiotics;
• guanylate cyclase stimulators;
• HIV protease inhibitors.

What are Side Effects?

There are certain conditions of the body that does let the drug be well-tolerated all drug component. So when you take this drug be read to experience some serious side effects. Some of the common side effects of Viagra are:

• Nausea;
• Vomiting;
• Dizziness;
• Diarrhea;
• Stomach pain;
• Stuffy nose;
• Loss of hearing;
• Ringing in the years.

Let’s take a look at the conditions when a man is not allowed to have Viagra and the medicines that might cause disastrous interactions. The information provided below will make you well-informed and will give you the option to look for alternative treatment opportunity.

Some Common Facts about Erectile Dysfunction

ED in severe cases might prevent you from having an erection and affect the confidence of a man. One of the common causes of erectile dysfunction is aging. However, there are several other problems that can lead to ED. Some such common causes are:

• Cardiovascular problems
• Diabetes
• High cholesterol
• Multiple sclerosis
• Parkinson’s disease
• Surgery of the prostate