Diphtheria means "leather" because of the leathery membrane that forms on the tonsils. The general abbreviation is "DIP" or "diph". There are a multitude of combined vaccines for diphtheria and other contagious diseases where diphtheria is acknowledged by a "D".
DPT: Diphtheria-Pertussis-Tetanus vaccine
DIPR: Diphtheria Toxin Resistant
Tdap is an abbreviation for an immunization; it means tetanus/diphtheria/acellular pertussis.Tetanus, Diphtheria and Acellular PertussisTetanus, Diphtheria and Acellular Pertussis
Rx is the medical abbreviation meaning prescription.
There is more than one meaning for DPT but the most common one is DTP vaccine (diphtheria, tetanus toxoids and pertussis).
d is the medical abbreviation meaning day.
BR is the medical abbreviation meaning bedrest.
EMTis the abbreviation meaning emergency medical technician.
HCO3 is the medical and chemical abbreviation meaning bicarbonate.
q is the medical abbreviation meaning every or each.
Directive to Physicians or diphtheria/tetanus/pertussis, depending on context.
The abbreviation is "stat", short for "statim" meaning immediately or without delay.Stat is the medical abbreviation
QS is the medical abbreviation meaning quantity sufficient.
Rec is a commonly used medical abbreviation meaning recommend.