Drugs for treating ED: viagra, cialis, levitra
Drugs for treating ED may be taken by mouth, put in directly into the penis or entered into the urethra at the tip of the penis. Viagra was the 1st tablet to treat erectile dysfunction when the FDA approved it in 1998. Later, Levitra and Cialis inclined the go-ahead by the FDA to treat ED. A lot of another oral medications are being examined for safety and effectiveness.
Phosphodiesterase Inhibitors
Viagra, Levitra and Cialis belong to a class of drugs known as phosphodiesterase inhibitors. The medication is usually taken a 60 minutes before any intended copulation, these drugs work through increasing the effects of nitric oxide. Nitric oxide is a chemical whose main function is to make relaxed the involuntary muscle in the penis on sexual stimulation and allow increased blood flow.
Physical Effects
While there\’s no doubt that oral medications improve the answer to sexual stimulation, they don\’t activate an automatic erection. The recommended dose for Viagra is about 50 mg, though the doctor can correct this dose to a range of 25 to 100 mg depending on the patient. The recommended dose for Levitra or Cialis is about 10 mg, which can be raised to 20 mg if 10 mg comes out to be insufficient. A minimized dose of 5 mg is getable on the market for patients who accept other medications or have diseases that can decrease in the body\’s ability to use the drug.
No PDE inhibitors should be applied more than one time a twenty-four hours. It\’s mandatory that men who accept nitrate-based drugs, such as nitroglycerin for heart issues, shouldn\’t use either meds because the combination may lead to a sudden decrease in blood pressure. In addition, it\’s suggested that you tell your doc whenever you get any drugs titled alpha-blockers. These are primarily used to treat prostate expansion or hypertension.
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