The physician decides to change a client's current dose of IM meperidine hydrochloride (Demerol) to an oral dosage. The current IM dosage is 75 mg every 4 hours as needed. What dosage of oral...

The physician decides to change a client's current dose of IM meperidine hydrochloride (Demerol) to an oral dosage. The current IM dosage is 75 mg every 4 hours as needed. What dosage of oral meperidine will be required to provide an equivalent analgesic dose?

1. 25 to 50 mg every 4 hours.

2. 75 to 100 mg every 4 hours.

3. 125 to 140 mg every 4 hours.

4. 150 to 300 mg every 4 hours.