是,TID和每隔8小时服用是有区别的.不是随意定的,是根据各药的药代动力学数据而定的.
中国医生嘱咐的一天三次就是美国的TID,简化一下可以理解为早中晚.但现在各大医院药房是改进的,用小时数标明了, 即每隔8小时或12小时服用等指示.
Standard Community Hospital medication administration times:
1. Daily = 0900 (exception: for anti-infectives –--time doses from the closest 9 o'clock – either 0900 or 2100)
2. HS = 2100 (HS= hour of sleep)
3. BID = 0900 ... 1700 or 0900 ... 2100
a. Exception anticoagulants – time to be specified by physician, i.e. 0300—1500.
b. If time is not specified standard times will be used.
4. Q 12 Hours = 0900 ... 2100
5. TID = 0900 ... 1400 ... 2100 or 9am, 1pm and 5pm. (TID is three times daily but not necessarily at 8 hour intervals)
6. 15 minutes AC = 0645 ... 1145 ... 1645
7. AC or 1 Hour AC = 0600 ... 1100 ... 1600
AC before a meal (from Latin ante cibum)
8. PC or 2 Hours PC = 0900 ... 1400 ... 1900
PC after meals (from Latin post cibum)
9. Q 8 Hours = 0600 ... 1400 ... 2200 or 0700 ... 1500 ... 2300 (at regular 8 hour intervals)
10. QID = 0900 ... 1300 ... 1700 ... 2100
11. Q 6 Hours = 0600 ... 1200 ... 1800 ... 2359
12. Q 4 Hours = 0200 ... 0600 ... 1000 ... 1400 ... 1800 ... 2200