A proactive approach is the key to managing the side effects before, during and after treatment. Working together with your doctor and dermatologists will help you be on the offensive and lessen the impact. Some of the most common side effects we hear about from metastatic colorectal cancer patients on Epidermal Growth Factor Receptor Inhibitors (EGFRI) such as Erbitux (also known as Cetuximab) and Vectibix (also known as Panitumumab) are dry skin, acne and rashes. Need help managing side effect