It is very important that your doctor check you or your child closely while you are receiving this medicine to make sure it is working properly.
This medicine may increase your chance of having blood clotting problems. Tell your doctor right away if you have a sudden or severe headache, problems with vision or speech, chest pain, trouble breathing or swallowing, swelling or tenderness in your leg, or numbness or weakness while you are receiving this medicine.
This medicine may cause serious type of allergic reactions, including anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention. Tell your doctor or nurse right away if you or your child have a cough, difficulty with swallowing, dizziness, a fast heartbeat, lightheadedness or fainting, wheezing, shortness of breath, trouble breathing, chest tightness, swelling in your face, hands, tongue, or throat, a fever, chills, a runny nose or sneezing, itching or hives, or lightheadedness or faintness after you receive the medicine.