how does cialis work

Levitra (vardenafil) relaxes muscles found in the walls of blood vessels and increases blood flow to particular areas of the body.Cialis (tadalafil) is a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5). Tadalafil has the empirical formula C22H19N3O4 representing a molecular weight of 389.41. The structural formula is: viagra 25 mg

Call your healthcare provider or get help right away if you have any of the symptoms of an allergic reaction listed above.20 mg Cialis tablet Medicines called nitrates include nitroglycerin that is found in tablets, sprays, ointments, pastes, or patches. Nitrates can also be found in other medicines such as isosorbide dinitrate or isosorbide mononitrate. Some recreational drugs called “poppers” also contain nitrates, such as amyl nitrite and butyl nitrite.

Pharmacokinetic data from patients in clinical trials showed no effect on sildenafil pharmacokinetics of CYP2C9 inhibitors (such as tolbutamide, warfarin), CYP2D6 inhibitors (such as selective serotonin reuptake inhibitors, tricyclic antidepressants), thiazide and related diuretics, ACE inhibitors, and calcium channel blockers. The AUC of the active metabolite, N-desmethyl sildenafil, was increased 62% by loop and potassium-sparing diuretics and 102% by nonspecific beta-blockers. These effects on the metabolite are not expected to be of clinical consequence. how to get viagra Common Side Effects of Cialis?Do not use Levitra in patients who are using a GC stimulator, such as riociguat. PDE5 inhibitors, including Levitra may potentiate the hypotensive effects of GC stimulators.The safety and efficacy of combinations of CIALIS and other PDE5 inhibitors or other treatments for erectile dysfunction have not been studied. The patients should be informed not to take CIALIS in such combinations.

For Erectile Dysfunction "Was skeptical, but it sure does work, 45 minutes after a 50 mg dose had the best erection in years, was able to get a good one even the next morning. Am extremely satisfied, going to try a smaller dose,think it will be fine for me"(N=576) Tadalafil 5 mg does viagra really work TITANIUM DIOXIDE

free cialis ? an unusual or allergic reaction to sildenafil, other medicines, foods, dyes, or preservativesTITANIUM DIOXIDE Prior to initiating treatment with Cialis for BPH, consideration should be given to other urological conditions that may cause similar symptoms. In addition, prostate cancer and BPH may coexist.

Uncommon (0.1% to 1%): Increase in erection“See FDA-approved patient labeling (Patient Information)”Sexually Transmitted Disease