Apart from this required effect, the side effects of Generic Viagra when taken without a prescription or in combination with other medication can be uncomfortable. Some of the common side effects of this drug are headaches, nose blocks and stomach upsets.

The effects of Generic Viagra somewhat differ with age. This is why the prescribed dosage is different for older and younger men.

It is better to refrain from taking Viagra when you are taking certain types of medication or when suffering from certain specific disorders. To make sure that you will not suffer from any negative effects of Generic Viagra, it is best to consult your doctor before consumption.

Ultimately, the positive effects of Generic Viagra outweigh the negative ones and the drug has been proven safe and approved in more than hundred countries around the world. However, a doctor's prescription is a must since it is not suitable in certain cases.