The male client is diagnosed with narcolepsy. Which over-the-counter preparations should the nurse teach the client about? 1. Caffeinated beverages and diphenhydramine (Benadryl). 2. Flavored water...

The male client is diagnosed with narcolepsy. Which over-the-counter preparations should the nurse teach the client about?

1. Caffeinated beverages and diphenhydramine (Benadryl). 2. Flavored water and beta carotene. 3. Milk with added vitamin D and saw palmetto. 4. Carbonated sodas and black cohosh.