Viagra is truly primarily utilized to treat erectile disorder. It is a drugs that is administered orally. The capsule is definitely a small one and can be easily taken. It needs to become between one and half to four hours before intimate intercourse. Taking the pill one hour before is the ideal energy. Viagra is truly also effective in keeping high blood pressure under controls. The medication is effective in both situations because of the device of action. Sildenfil citrate helps to relax muscles and improves blood supply to certain organ. This will be why the drug is effective for the above mentioned problems and has additionally been used by sportsmen for enhancing their results.