A nurse is educating a patient about the proper use of an inhaled corticosteroid. Which statement by the patient indicates correct understanding of the teaching?

"I should rinse my mouth with water and swallow it after using the inhaler."

"I will rinse my mouth only if I feel irritation after using the inhaler."

"I will rinse my mouth with water and spit it out after using the inhaler."

"There is no need to rinse my mouth after using an inhaled corticosteroid."