In the context of SAMPLE history, a patient's pale skin is considered:

In the context of a SAMPLE history, a patient's pale skin is classified as a sign. Signs are objective evidence of a disease or condition that can be observed or measured by someone other than the patient. Pale skin can indicate various medical conditions such as shock, anemia, or poor peripheral circulation, and it is something that a clinician can visually assess during an examination.

In contrast, symptoms are subjective experiences reported by the patient, such as pain, dizziness, or nausea, which cannot be directly observed. Syncope refers to fainting or loss of consciousness, while dermis is a layer of skin. Each of these terms serves a specific role in medical assessments, but in this case, the observable nature of pale skin aligns with the definition of a sign.