Viagra treats erectile dysfunction in men by dilating blood vessels to increase blood flow to the penis. This helps a man suffering from impotence get an erection. The prescription medication is available as a tablet in multiple strengths. A physician determines the healthiest dose for you, depending on other medical conditions and the effects of the medication. If you have heart-related health issues, chest pain or a bleeding disorder, your doctor will probably not prescribe Viagra to you. The medicine, taken as needed for sexual performance, is not a scheduled-dose medicine.

Step 1
Obtain a prescription from the doctor. Even if you're gonna buy Viagra online due to the private nature of erectile dysfunction, it's important that you have a doctor consultation.

Step 2
Take the Viagra tablet at least 30 minutes beforeviagra.jpg sexual activity. The medication is effective for up to 4 hours after you take it. Do not take the Viagra more often than once a day. Do not take more than prescribed.

Step 3
Swallow the pill whole without crushing or chewing. The pill is not designed to be cut in half to decrease the strength.

Step 4
Avoid eating a high-fat meal before using Viagra, which can delay the effectiveness of the medication. It is best to take the medicine on an empty stomach.

Step 5
Become sexually aroused. Viagra will not automatically create an erection without arousal.

Step 6
Watch for signs of unwanted adverse reactions. Some of these side effects may include headaches, changes in vision, hearing loss, ringing in the ears or an irregular heartbeat. Men at risk for a heart attack need to speak with the doctor before using Viagra.

Step 7
Enjoy the sexual activity with the knowledge that the erection will stop when the act is finished. If the erection lasts longer than four hours, seek immediate medical attention. Permanent damage may occur without treatment.