Drug usage
How does Viagra work? The drug relaxes the muscles in the penile region. Once the muscles are dilated, the flow of blood increases in the penis. When the penis gets uninterrupted blood flow, it gets good erection. Moreover, the erection is known to last for many long hours.
How taken
Always take Viagra after contacting the doctor and never go for it on your own. Viagra, which is available in tablet form, has to be used an hour before you engage with your partner. Doctors prescribe 50 mg of Viagra for an adult and half of it is prescribed for elderly persons. The effect of Viagra is known to last for more than four hours.
Missed dose
How can one miss a dose of Viagra? The drug is only taken by those who want extra sexual pleasure.
Warnings
Certain drugs are known to interact with Viagra. So it is better to inform the doctor about all the drugs that you are using. Viagra should be avoided if you are using any drugs that contain nitrates. If Viagra is mixed with nitrate containing pills, then there is a chance that your blood pressure may fall to unsafe levels.
Another point that has to be kept in mind is that you should never consume alcohol while using Viagra as this can complicate things. Moreover, grape fruit and grape juice should also be avoided if you are using Viagra tablets.
Some persons have come across sudden vision problems after using Viagra. Well, it is not yet known if Viagra is the main cause of the sudden vision problem. It has been seen that people who were diabetic and those who had heart problems, high blood pressure and high cholesterol levels had come across such sudden vision problems.
Side effects
People using Viagra are also liable to many allergic reactions and side effects. Some of the side effects seen with Viagra include headache, indigestion, diarrhea, flushing, nasal congestion, urinary tract infection and abnormal vision.
