"I need to avoid caffeinated products" is the client statement which indicates additional teaching is required.
What is Theophylline?
This refers to a type of drug which is used to treat chronic obstructive pulmonary disease which is the damage to the lung tissues and makes breathing difficult. Theophylline helps to relieve symptoms such as cough, wheezing etc.
This drug can be used with caffeine which is why such statement will lead to additional teaching.
Read more about Theophylline here https://brainly.com/question/13375938
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