Cialis 20mg

What Is Cialis?

Cialis (tadalafil) is a phosphodiesterase inhibitor used for treating impotence (erectile dysfunction, or ED).
What Are Side Effects of Cialis?

Common side effects of Cialis include:

flushing (redness or warmth of the face, neck, or chest),
headaches,
stomach upset,
diarrhea,
flu-like symptoms (such as stuffy nose, sneezing, or sore throat),
memory problems,
muscle or back pain,
nausea,
low blood pressure,
dizziness,
blurred vision and changes in color vision,
abnormal ejaculation, and
prolonged erections (priapism).

Tell your doctor if you have rare but serious side effects of Cialis including:

a painful or prolonged erection lasting 4 or more hours;
sudden decreased vision (including permanent blindness, in one or both eyes);
a sudden decrease or loss of hearing, sometimes with ringing in the ears and dizziness.

Cialis may cause serious side effects including:

chest pain,
pain spreading to the jaw or shoulder,
nausea,
sweating,
vision changes,
sudden vision loss,
ringing in your ears,
sudden hearing loss, and
an erection that is painful or lasts longer than 4 hours

Get medical help right away, if you have any of the symptoms listed above.

Seek medical care or call 911 at once if you have the following serious side effects:

Serious eye symptoms such as sudden vision loss, blurred vision, tunnel vision, eye pain or swelling, or seeing halos around lights;
Serious heart symptoms such as fast, irregular, or pounding heartbeats; fluttering in your chest; shortness of breath; and sudden dizziness, lightheartedness, or passing out;
Severe headache, confusion, slurred speech, arm or leg weakness, trouble walking, loss of coordination, feeling unsteady, very stiff muscles, high fever, profuse sweating, or tremors.

This document does not contain all possible side effects and others may occur. Check with your physician for additional information about side effects.
Dosage for Cialis

The recommended dose of Cialis is 5-20 mg per day taken before sexual activity.

What Drugs, Substances, or Supplements Interact with Cialis?

Cialis may interact with rifamycins, antibiotics, antifungals, antidepressants, barbiturates, drugs to treat high blood pressure or a prostate disorder, heart or blood pressure medications, HIV or AIDS medications or seizure medications. Tell your doctor all medications and supplements you use.

Cialis During Pregnancy and Breastfeeding

Cialis is not approved for use in women and has not been evaluated in women who are breastfeeding.
Additional Information

Our Cialis Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.