Grade 1 | Numbness, dysesthesia/paresthesia, tingling, painless swelling or erythema of the hands and/or feet and/or discomfort, which does not disrupt normal activities. |
Grade 2 | Painful erythema and swelling of the hands and/or feet and/or discomfort affecting the patient's activities. |
Grade 3 | Moist desquamation, ulceration, blistering or severe pain of the hands and/or feet and/or severe discomfort that causes the patient to be unable to work or perform activities of daily living. |