Cetuximab is a monoclonal antibody which is given by intravenous infusion. Cetuximab is used for the treatment of metastatic non-small cell lung cancers and head and neck cancer.

Cetuximab can cause side effects such as an acne-like rash, which is generally reversible. Further severe infusion reactions include but are not limited to: fevers, chills, rigors, urticaria, itchiness, rash, hypotension, nausea, vomiting, headache, shortness of breath, wheezing, angioedema, dizziness, anaphylaxis, and cardiac arrest.

Cetuximab works by inhibiting epidermal growth factor receptors.