As long as you need. For both men and women, but more often than prescribed by your doctor, and be careful of counterfeit drugs. Causes erection by sensory and mental stimulation. Most of each sexual experience. Impotence varies with the individual's environment, age, sexual history, diet, hormone levels, inflammation, obesity, use of prescription drugs[...]

"What should my health care professional know before I take Esomeprazole? Esomeprazole reduce the production of acid in the stomach and intestines by blocking the enzyme in the wall of the stomach that produces acid. Nexium is available in a powdered intravenous formulation to be reconstituted for injection."