It would be q 3 h. The q is the medical terminology for the word 'every', and h (sometimes 'hr') is for 'hour'.
In traditional prescription writing, you write ii tab tid.
278.8 Hours
A licensed physician is the only one who can write a prescription for non-over the counter drugs and medication.
If you are referring to taking medication every 12 hours, I would think "twice a day" or "bidaily" would be sufficient expressions in a medical setting. Some prescribers prefer to write q12h for "every twelve hours."
YES THEY CAN...THEY ARE LICENSED WITH THE DEA AND ARE ABLE TO WRITE PRESCRIPTIONS.
You would write it as "2 hours"
Nothing by mouth every four hours is a rather nonsensical instruction, but if you were inclined to write and abbreviate it, it would be written "NPO q4h."
If it is clinically indicated, a doctor will write a prescription for a wheelchair.
No, a U.S. physician cannot write a prescription for quinine in Canada. In Canada, it is required by law that a prescription be signed by a Canadian physician. If your U.S. doctor has written a prescription, the only way you could get it filled would be to consult with a Canadian doctor and get them to sign it.
No. Only a licensed medical doctor can write a prescription.
In the UK you must not write anything on the front of the prescription, however when you collect the prescription from the Chemist you will be expected to confirm certain details in writing and sign the reverse.
Sig is an abbreviation of Signa, the latin word meaning "to write." This is the designation for how the medication should be taken and is written on the prescription as directions.