Your Partner Experiences an Itchy, Red Rash on Her Hands

Your partner experiences an itchy, red rash on her hands that stops at the wrists after using a new brand of glove your service purchased. Her skin is warm, dry, and nondiaphoretic; the rash is isolated to her hands; and her lung sounds are clear bilaterally. She has no other complaints. HR = 88, RR = 12, BP = 122/80. Of the following treatments, which is most appropriate?

A) Oxygen via nonrebreather mask 15 lpm, cardiac monitor, IV of NS KVO, epinephrine SC, diphenhydramine IM
B) Oxygen via nasal cannula 4 lpm, cardiac monitor, IV of NS KVO, epinephrine IV, diphenhydramine IM
C) Advise the dispatcher you will be going out of service
D) Diphenhydramine IM