Generic Viagra online is a widely used medication that is designed to manage erectile dysfunction. It is available in the strengths of 25 mg, 50 mg, and 100 mg tablets. Before using the medication, make sure you know the basic information concerning the safe use of the medication.
Viagra must not be used with certain medications because of the dangerous drug interactions. Don’t use it with nitrates, typically prescribed for managing chest pain, as this may lead to a dangerous reduction of blood pressure.
It’s vital to discuss with your health provider your medical conditions before starting the use of Viagra. This drug can provoke a number of unwanted reactions. Tell your health provider if you suffer from chest pain, nausea, or any other unfavourable conditions during sexual activity. In rare cases Viagra can cause a long-lasting erection (more than 4 hours), which is quite a serious condition that can lead to irreversible injury of penis, so if such condition is observed, call your doctor without a delay.
People above 65 years of age, or those having serious liver or kidney disorders, should be prescribed a low dosage of Viagra (25 mg). People taking protease inhibitors, for example that are used for managing of HIV, might be prescribed a 25 mg dose of Viagra as well. Patients taking medications for managing of prostate problems or hypertension called alpha blockers, may be recommended to administer a lower dose of Viagra.
The most widely spread adverse effects of Viagra are headache, flushing of face, and stomach disorders. Less common side reactions are vision in blue colors, hazy vision, and sensitivity to light.
Among other side reactions that can occur during the treatment with Viagra are vision impairments or loss of vision. But it is not known if it is happen due to the action of Viagra directly or because of some other factors. If a decrease or loss of vision are observed, stop using the drug and notify your health provider right away.
Don’t use Viagra along with other medications for impotence, including the drugs that contain Sildenafil an active ingredient that presents in Viagra as well.
Remember that Viagra does not work as a protection against STDs.