Which colour normally indicates allergies when a patient wears a wristband?

Correct option is D

In hospital color coding, a red wristband typically indicates that the patient has allergies. This alerts healthcare providers to be cautious about medications or substances. Explanation of options:
· (a) ✘ Blue wristbands are often used for DNR (Do Not Resuscitate) in some systems.
· (b) ✘ Orange is not universally associated with allergies.
· (c) ✘ White is usually for patient identification.
· (d) ✔ Correct; red is the standard color code for allergy alerts in hospitals.