On a prescription, q.i.d. is the abbreviation for the Latin quater in die and means four times a day.
qid means four times daily.
qid and q4 hours are not the same. QID means 4 times a day while q4h means every 4 hours. QID dosing would typically be scheduled at specific times throughout the day, whereas q4h dosing would be more frequent and may result in doses being administered at uneven intervals.
q6h stand for every 6 hours, q=every and h=hours so you can also take it to mean qid or four times daily though the doses should be about 6 hours apart.
Twelve hours
The duration of His Last Twelve Hours is 1.35 hours.
The duration of Twelve Hours to Kill is 1.38 hours.
The duration of Twelve Crowded Hours is 1.07 hours.
Twelve Crowded Hours was created in 1939.
QID stands for Quater In Die, which means four times a day or every six hours.The following are related:QD: Once a day.BID: Twice a day.TID: Three times a day.QxH: Every x hours where the x is the number of hours. For example: 2 tabs q4h means two tablets every 4 hours.Four times a day or every six hours
Vital signs qid is an instruction to check vital signs four times daily.
qid x10 days means four times daily for ten days.
On the same day it is 12 hours
Amb resident qid means the resident should be assisted to walk four times a day.