A nurse is preparing to administer diphenhydramine 30 mg IM stat to a client who is having an allergic reaction. Available is diphenhydramine 50 mg/1 mL. How many mL should the nurse administer? (Round the answer to the nearest whole tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The nurse should administer 0.6 mL of diphenhydramine.
Calculation:
30 mg / 50 mg/mL = 0.6 mL