What side effects may I notice from receiving Tiazac?

Side effects that you should report to your doctor or health care professional as soon as possible:

-allergic reactions (skin rash, itching or hives; swelling of the face, lips, or tongue)
-heart failure (trouble breathing; fast, irregular heartbeat, sudden weight gain; swelling of the ankles, feet, hands; unusually weak or tired)
-heartbeat rhythm changes (trouble breathing; chest pain; dizziness; fast, irregular heartbeat; feeling faint or lightheaded; falls)
-liver injury (dark yellow or brown urine; general ill feeling or flu-like symptoms; loss of appetite; nausea; right upper belly pain; unusually weak or tired; yellowing of the eyes or skin)
Side effects that usually do not require medical attention (report these to your doctor or health care professional if they continue or are bothersome):

-change in sex drive or performance
-constipation
-cough
-headache
-nasal congestion (runny or stuffy nose)
-trouble sleeping

This list may not describe all possible side effects for Tiazac. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.