Cialis CAS 171596-29-5 Effective Sex Enhancement Drugs Tadalafil
Description: White Crystalline Powder
Storage: Shading, Confined Preservation
Usage:erectile dysfunction treatment
What is tadalafil?
Tadalafil relaxes muscles found in the walls of blood vessels and increases blood flow to particular areas of the body.
Tadalafil under the name of Cialis is used to treat erectile dysfunction (impotence) and symptoms of benign prostatic hypertrophy (enlarged prostate). Another brand of tadalafil is Adcirca, which is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women.
Do not take Cialis while also taking Adcirca, unless your doctor tells you to.
Tadalafil may also be used for purposes not listed in this medication guide.
Tadalafil is an oral drug that is used for treating impotence (the inability to attain or maintain a penile erection) and benign prostatic hyperplasia (BPH). It is in a class of drugs called phosphodiesterase-5 (PDE5) inhibitors that also includes sildenafil (Viagra) and vardenafil (Levitra). Erection of the penis is caused by the filling of the penis with blood. Filling occurs because the blood vessels that bring blood to the penis increase in size and deliver more blood to the penis, and, at the same time, the blood vessels that take blood away from the penis decrease in size and remove less blood from the penis. Sexual stimulation that leads to an erection causes the production and release of nitric oxide in the penis. The nitric oxide causes an enzyme, guanylate cyclase, to produce cyclic guanosine monophosphate (cGMP). It is cGMP that is primarily responsible for increasing and decreasing the size of blood vessels carrying blood to and from the penis, respectively, and causing an erection. When the cGMP is destroyed by another enzyme, phosphodiesterase-5, the blood vessels return to their normal size, blood leaves the penis, and the erection ends. Tadalafil prevents phosphodiesterase-5 from destroying cGMP so that cGMP stays around longer. The persistence of cGMP leads to a more prolonged engorgement of the penis with blood.
Some medicines can cause unwanted or dangerous effects when used with tadalafil. Tell your doctor about all your current medicines, especially riociguat (Adempas).
Do not take tadalafil if you are also using a nitrate drug for chest pain or heart problems, including nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, and some recreational drugs such as "poppers". Taking tadalafil with a nitrate medicine can cause a sudden and serious decrease in blood pressure.
Stop using tadalafil and get emergency medical help if you have sudden vision loss.
|Test Items||Specification||Test Results|
|Test method||High pressure liquid chromatography(HPLC)||Conforms|
|Loss on drying||≤0.5%||0.24%|
|Residue on ignition||≤0.1%||0.08%|
|Assay (on dried basis)||≥98.5%||99.33%|
|Conclusion||The specification conform to USP 35|