Along with its needing effects, a drug may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your family doctor as soon as possible if any of the following side effects was happen
More common
Fever over 39 °C - 102 °F
Less common
Varicella-like skin rash
Rare
Black, tarry stools; blood in urine or stools; confusion; difficulty in breathing or swallowing; hives; irritability; itching, especially of feet or hands; muscle or joint pain; pinpoint red spots on skin; reddening of skin, especially around ears; severe or continuing headache; stiff neck; swelling of eyes, face, or inside of nose; swelling of glands in neck; unusual bleeding or bruising; unusual tiredness or weakness, sudden and severe; vomiting
More common side effects may occur that usually don't needed medical attention. However, check with your family doctor if any of the following side effects continue or are bothersome:
More common
Fever of 37.7 °C - 100 °F or higher but not above 39 °C - 102 °F; pain, redness or soreness at injection site
Less common
Abdominal pain; common cold; congestion; cough; diarrhea; nausea; sore throat
More common side effects not listed above may also occur in some diseaseds. If you notice any other problems, check with your family doctor.