Although the recommended Generic Viagra dosage is 50 mg taken as needed about 1 hour before sexual activity, your family doctor will prescribe the right dose for your case.

Each man shows different reaction to medication so he is expected to need a special dose for treating his impotence.

Apart from that, your doctor will take into account your medical history and any other medication that you could be taking. Caution should be taken when this impotence drug is co-administrated with alpha-blockers and it is also contraindicated the concomitant use of nitrates.
Generic Viagra dosage may be increased up to 100 mg or decreased to 25 mg. The most important thing to know is that you should follow your doctor's instructions in order to recover your sexual activity successfully.