The most serious possible side effects of Copegus are:
- Harm to unborn children. Copegus may cause birth defects or death of an unborn child.
- Anemia. Anemia is a reduction in the number of red blood cells you have. Anemia can be dangerous, especially if you have heart or breathing problems. Tell your health care provider right away if you feel tired, have chest pain or shortness of breath. These may be signs of low red blood cell counts.
- Liver problems. Some patients may develop worsening of liver function. Some of the symptoms may include stomach bloating, confusion, brown urine, and yellow eyes. Tell your health care provider immediately if any of these symptoms occur.
Call your health care provider right away if you have any of the following symptoms. They may be signs of a serious side effect of Copegus and Pegasys treatment.
- Trouble breathing.
- Hives or swelling.
- Chest pain.
- Severe stomach pain or low back pain.
- Bloody diarrhea or bloody stools (bowel movements). These may look like black tar.
- Bruising or unusual bleeding.
- Change in your vision.
- High fever (temperature greater than 100.5 degrees F)
- You have psoriasis (a skin disease) and it gets worse
- You become very depressed or think about suicide (ending your life)
- Skin rash can occur in patients taking Pegasys. In some patients a rash can be serious. If you develop a rash with fever, blisters, or sores in your mouth, nose or eyes or conjunctivitis (red or inflamed eyes, like “pink eye”), stop using Pegasys and call your doctor right away
The most common side effects of Copegus are likely to be the same as for other ribavirin products. These are:
- Feeling tired.
- Nausea and appetite loss.
- Rash and itching.
These are not all the possible side effects of Copegus treatment. For more information, ask your doctor or pharmacist. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
This answer should not be considered medical advice...This answer should not be considered medical advice and should not take the place of a doctor’s visit. Please see the bottom of the page for more information or visit our Terms and Conditions.
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