Before taking Cialis
Do not take Cialis if you are also using a nitrate drug for chest pain or heart problems, including nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur, Nitro-Bid, Minitran, Deponit, Transderm-Nitro), isosorbide dinitrate (Dilatrate-SR, Isordil, Sorbitrate), and isosorbide mononitrate (Imdur, ISMO, Monoket), or recreational drugs such as amyl nitrate or nitrite (“poppers”) Taking Cialis with a nitrate medicine can cause a serious decrease in blood pressure, leading to fainting, stroke, or heart attack.
If you have certain conditions, you may need a dose adjustment or special tests to safely take Cialis. Before taking this medication, tell your doctor if you are allergic to any drugs, or if you have:
* heart disease or heart rhythm problems;
* a recent history a heart attack (within the past 90 days);
* a recent history of stroke or congestive heart failure (within the past 6 months);
* angina (chest pain);
* high or low blood pressure;
* liver disease;
* kidney disease (or if you are on dialysis);
* a blood cell disorder such as sickle cell anemia, multiple myeloma, or leukemia;
* a bleeding disorder such as hemophilia;
* a stomach ulcer;
* retinitis pigmentosa (an inherited condition of the eye);
* a physical deformity of the penis (such as Peyronie’s disease); or
* if you have been told you should not have sexual intercourse for health reasons.
This medication can decrease blood flow to the optic nerve of the eye, causing sudden vision loss. This has occurred in a small number of people taking Cialis, most of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye problems, and in those who smoke or are over 50 years old. It is not clear whether Cialis is the actual cause of vision loss. Stop using Cialis and get emergency medical help if you have sudden vision loss.
Cialis FDA pregnancy category B: Although Cialis is not for use in women, this medication is not expected to be harmful to an unborn baby. Do not use Cialis without telling your doctor if you are pregnant or plan to become pregnant during treatment. Although this medication is not for use in women, it is not known if tadalafil passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
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