Cialis could be a phosphodiesterase inhibitor. It works by helping to extend blood flow into the penis during sexual stimulation. This helps you to achieve and maintain an erection.

Do NOT use Cialis if:

* you’re allergic to any ingredient in Cialis
* you have severe kidney issues and can be taking Cialis daily
* you’ve got severe liver problems or certain hereditary degenerative eye issues (eg, retinitis pigmentosa)
* you have bound heart issues (eg, unstable angina, angina throughout sexual intercourse, severe heart failure, uncontrolled irregular heartbeat), low blood pressure, or uncontrolled high blood pressure
* you have had a heart attack inside the past ninety days or a stroke among the past six months
* you are taking nitrates (eg, isosorbide, nitroglycerin) in any type (eg, tablet, capsule, patch, ointment) or nitroprusside
* you have got been suggested by your doctor to avoid sexuality as a result of of heart problems
* you use sure recreational drugs referred to as “poppers” (eg, amyl nitrate, butyl nitrate)

Contact your doctor or health care provider instantly if any of these apply to you.

Before using Cialis :

Some medical conditions may interact with Cialis . Tell your doctor or pharmacist if you’ve got any medical conditions, particularly if any of the following apply to you:

* if you’re taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
* if you have got allergies to medicines, foods, or different substances
* if you have a deformed penis (eg, Peyronie disease, cavernosal fibrosis), blood issues (eg, sickle cell anemia, leukemia, multiple myeloma), or any different condition that may increase the chance of a prolonged erection (priapism)
* if you’ve got a history of bound eye problems (eg, retinitis pigmentosa, sudden vision loss, optic neuropathy, macular degeneration)
* if you have got a history of liver or kidney issues, dialysis, high or low blood pressure, ulcers, bleeding issues, blood vessel issues, heart issues (eg, heart failure, irregular heartbeat, aortic stenosis, angina), or blood vessel issues
* if you have a history of heart attack, stroke, or life-threatening irregular heartbeat

Some MEDICINES MAY INTERACT with Cialis . Tell your health care provider if you are taking any alternative medicines, particularly any of the subsequent:

* Alpha-blockers (eg, doxazosin), medicines for top blood pressure, nitrates (eg, isosorbide, nitroglycerin), or nitroprusside as a result of severe low blood pressure with dizziness, lightheadedness, and fainting may occur
* Azole antifungals (eg, itraconazole), HIV protease inhibitors (eg, ritonavir), macrolide antibiotics (eg, erythromycin), or telithromycin as a result of they’ll increase the danger of Cialis ’s side effects
* Rifampin because it might decrease Cialis ’s effectiveness

This could not be an entire list of all interactions that will occur. Raise your health care supplier if Cialis may interact with alternative medicines that you simply take. Check along with your health care supplier before you start, stop, or amendment the dose of any medicine.

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