What is the best topical application for a client suffering from erythema?

For a client suffering from erythema, the most effective topical application would be an ice pack. Ice packs work by constricting blood vessels, which can reduce inflammation and decrease redness associated with erythema. The cooling sensation can also provide immediate relief from discomfort and help to soothe the affected area, making it a preferable option in acute cases where irritation and heat are present.

Using an ice pack is particularly beneficial because it is a non-invasive method that can be easily applied at home or in a clinical setting. Other options may provide benefits as well, but they do not address the immediate need to reduce swelling and heat in the same way that an ice pack does.