Viagra is used by people who want to relax their muscles and increase the flow of blood to certain areas of their bodies. This medication is also used to help treat impotency among men. It is important to keep in mind that before using this medication you must keep in mind the fact that taking it along with other medications can lead to unwanted as well as dangerous effects. So, before you actually take it be sure to discuss things with a doctor.
It is also important to understand that Viagra should not be taken when using any nitrate drugs to treat pain in the chest or heart ailments. If you take this medication along with nitrate medicines then it can suddenly and seriously cause a fall in blood pressure leading to painful erections and even prolonged erections.
Also, keep in mind that Viagra should not be taken by people who are allergic to sildenafil. Also, do not take the medication unless you know that it is safe to do so. Be sure to consult a doctor before taking this medicine. There are several bad things that can happen if you take this medication including decreasing flow of blood to the optic nerves in your eyes. This can lead to sudden loss of vision. Also, if you are not over the age of eighteen, you should not take this drug unless advised to do so by a doctor.
What is the best way of taking Viagra?
It is very important that you take this medicine exactly according to your prescription. Be sure to read the prescription label and follow instructions exactly. Do not consume too much of it or too little and do not take it for longer than is recommended.
Most people only take this medicine when it is needed and that too about half an hour or an hour prior to sexual activity. It is safe to take it up to four hours prior to sexual activity.
Viagra will help you gain an erection after sexual stimulation starts. However, keep in mind that taking the pill alone will not help you achieve an erection. So, take it only when a doctor tells you to take it and take it according to the doctor’s instructions. If during sexual activity you feel dizzy, nauseated, or have pain and numbness then be sure to stop all sexual activity and call your doctor. You may be experiencing serious side effects of the drug. Also, remember to keep it stored at room temperature and not where there is moisture or heat.
What is the right dosage?
Viagra should only be taken when needed. Therefore, there is no specific dosage though if you overdose you will need to get emergency medical help.
Do not drink alcohol after taking a pill as this can cause serious problems. Also, try not to drink grapefruit juice after consuming Viagra pill as then it can cause some side effects. After taking a pill try not to use any grapefruit product. At the same time, keep in mind that it is not recommended that you use other medication to treat impotence unless advised to do so by your doctor.
Viagra side effects
Viagra can cause side effects like hives and difficulty in breathing. It can also make your face and lips as well as tongue swell up.

I am self employed. General Practitioner in Melbourne, VIC. My special interest: male reproductive system.