<p>Infusion rate should be reduced if patient exhibits signs of toxicity. Discontinue treatment if there is severe infusion reactions. Caution when used in patients with history of coronary artery disease, heart failure and arrhythmias. Monitor serum electrolytes during and after (for at least 8 wk) cetuximab therapy. Exposure to sunlight may worsen skin reactions. Risk of interstitial lung disease in patients with preexisting lung disease. Dose should be modified if there is occurrence of severe acneiform rash, refer to product insert/SPG for dosing guidelines.</p>