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 immediately if any of the following side effects occur during or after the administration of trastuzumab :
More common
Dizziness; fever or chills; headache; nausea or vomiting; shortness of breath; skin rash; weakness
Rare
Tightness in chest; troubled breathing; wheezing
Check with your family doctor as soon as possible if any of the following side effects was happen
Less common
Fast or irregular heartbeat; increased cough; swelling of feet or lower legs
Rare
Blue lips and fingernails; blurred vision; chest pain; confusion; Cough or hoarseness, accompanied by fever or chills; faintness or light-headedness when getting up from a lying or sitting position; increased sweating; itching; large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, feet, or sex organs; lower back or side pain, accompanied by fever or chills; painful or difficult urination, accompanied by fever or chills; pale skin; redness of skin; unusual tiredness or weakness
More common side effects may occur that usually don't needed medical attention. These side effects may go away during treat as your body adjusts to the drug. However, check with your family doctor if any of the following side effects continue or are bothersome:
More common
Diarrhea; pain
Less common
Loss of appetite; numbness or tingling of hands or feet; runny nose; trouble in sleeping
Other side effects not listed above may also occur in some diseaseds. If you notice any other problems, check with your family doctor.