In research studies, up to 3.1 percent of people taking
Cialis® (
tadalafil) stopped taking it because of side effects. However, in many cases, the benefits of Cialis outweigh the risks, and most men tolerate the drug quite well.
Based on the results of these clinical trials, Cialis raises your risk of problems such as:
- Headache
- Facial flushing
- Indigestion
- Back pain
- Nasal congestion
- Muscle pain
- Pain in the arms or legs.
In rare cases, there have also been serious problems occurring in the heart, brain, or blood vessels. These include:
In these cases, most of the people had cardiovascular risk factors. Also, the side effects occurred during or shortly after sexual activity. For these reasons, it is difficult to tell whether the problems were related to Cialis, sexual activity, the person's existing risk factors, or a combination of these things.
(For a closer look at the risks associated with this drug, click Cialis Side Effects. This article offers details on how frequently these problems occur.)
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