Precautions and Warnings for Tadalafil

Among the people who should not take tadalafil are those who are allergic to tadalafil or any of its inactive components and those taking a nitrate for angina. Also, problems with the heart, brain, and blood vessels can occur in some people taking tadalafil. A few other precautions and warnings for tadalafil include potential drug interactions, conditions to let your healthcare provider know about before you take tadalafil (including liver disease or failure), and the risk of a prolonged and sometimes painful erection (lasting longer than four hours) in some people taking this medicine.

Tadalafil (Cialis)

What Should I Tell My Doctor?

Prior to taking tadalafil (Cialis^®), you should tell your doctor if you have:

Low blood pressure (hypotension)
High blood pressure (hypertension)
Heart disease, such as angina, congestive heart failure, or irregular heartbeats
Multiple myeloma
Kidney disease or kidney failure
Liver disease or liver failure
A history of a heart attack, stroke, or life-threatening arrhythmia within the past three months
Retinitis pigmentosa, which is a rare eye problem
A history of severe vision loss, including a condition called NAION
Stomach ulcers
Other bleeding problems
Sickle cell anemia
Leukemia
A history of priapism, which is a painful erection lasting longer than six hours
Any condition that causes a penis deformation, such as angulation, Peyronie's disease, or cavernosal fibrosis
Any allergies.

Also, tell your healthcare provider about all the medicines you are taking, including prescription and non-prescription medicines, antacids, vitamins, and herbal supplements.

(Precautions and Warnings for Tadalafil Continued: Page 2)