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The term over-the-counter (OTC) refers to a medication that can be purchased without a medical prescription. [3] In contrast, prescription drugs require a prescription from a doctor or other health care professional and should only be used by the prescribed individual. [ 4 ]
Abbreviation Meaning o: Nothing [ō—letter o with overbar] O 2: oxygen: OA: osteoarthritis: OAB: Overactive bladder: OAF: osteoclast activating factor OB: Occult blood OB OB-GYN ob-gyne: obstetrics and gynecology: Obl: oblique OBS: organic brain syndrome: Occ: occasional OCD: obsessive-compulsive disorder: OCG: oral cholecystogram: OCNA ...
This is a list of abbreviations used in medical prescriptions, including hospital orders (the patient-directed part of which is referred to as sig codes). This list does not include abbreviations for pharmaceuticals or drug name suffixes such as CD, CR, ER, XT (See Time release technology § List of abbreviations for those).
Pronunciation follows convention outside the medical field, in which acronyms are generally pronounced as if they were a word (JAMA, SIDS), initialisms are generally pronounced as individual letters (DNA, SSRI), and abbreviations generally use the expansion (soln. = "solution", sup. = "superior").
Over-the-counter medications and non-controlled medical supplies such as dressings, which do not require a prescription, may also be prescribed. Depending upon a jurisdiction 's medical system, non-prescription drugs may be prescribed because drug benefit plans may reimburse the patient only if the over-the-counter medication is taken at the ...
Abbreviation Term Description (notes) A.d. As directed bd/bid Twice a day gt One drop gtt drops GSL General sales list Gutt/g Guttae (drops) Meds Medications Nocte/QHS At night Occ Ointment od/QD Once a day otc Over the counter (bought medication) P Pharmacy (drug) POM Prescription-only medicine prn When required q
The main discussion of these abbreviations in the context of drug prescriptions and other medical prescriptions is at List of ... prescription: recipe: Sig., S ...
List of medical abbreviations: Overview; List of medical abbreviations: Latin abbreviations; List of abbreviations for medical organisations and personnel; List of abbreviations used in medical prescriptions; List of optometric abbreviations