What is the prescription format?

1. Standard prescription format

Rp: drug name (dosage form) unit dose × total amount

Sig. unit dose usage times per day

Example 1: Rp: Inj .Penicillin sodium 800,000 U × 6 tubes

Sig. 800,000 U i.m. bid (skin test)

Example 2: Rp: Cefaclor sustained-release capsules 0.1875g × 12 capsules

Sig. 0.375g bid

2. Simple prescription format

Rp: Drug name (dosage form) Unit dose Usage Number of times per day × number of days

Example 1: Rp: Inj. Penicillin sodium 800,000 U

3 x bid i.m.

Example 2: Rp: Cefaclor sustained-release capsules x 1 box

2 capsules x bid