Redness and irritation of the skin may occur. If any of these effects persist or worsen, notify your doctor.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.Tell your doctor immediately if any of these serious side effects occur: cracked skin, rash.Tell your doctor immediately if any of these unlikely but serious side effects occur: weakness, dark urine, yellowing eyes or skin, persistent sore throat, fever, easy bruising/bleeding.You may be at increased risk for side effects if this medication is used on raw or broken skin. Consult your doctor for details.An allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include: rash, itching/swelling (especially of the face/tongue/throat), dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.