
| Abbreviation | Meaning |
| 5-HT | 5-hydroxytryptamine (serotonin) |
| abd or ABD | abdomen |
| AC | codeine (abbreviation used in drug names) |
| AC | acetate (abbreviation used in drug names) |
| ACE | angiotensin converting enzyme |
| ADD | attention deficit disorder |
| ADHD | attention deficit hyperactivity disorder |
| ADME | absorption, distribution, metabolism, elimination |
| ADR | adverse drug reaction |
| AIDS | acquired immunodeficiency syndrome |
| a.k.a. | also known as |
| ANDA | abbreviated new drug application |
| APAP | acetaminophen |
| APN | advanced practice nurse |
| ARB | angiotensin receptor blocker |
| ASA | acetylsalicylic acid (aspirin) |
| ASAP | as soon as possible |
| ATC | around the clock |
| AWP | average wholesale price |
| BAS | bile acid sequestrant |
| BLPK | blister pack |
| BM | bowel movement |
| BMI | body mass index |
| BOT | bottle |
| BP | blood pressure |
| BPH | benign prostatic hyperplasia or hypertrophy |
| BPM | beats per minute |
| BS | blood sugar |
| BSA | body surface area |
| BTC | behind-the-counter |
| BUN | blood urea nitrogen |
| Bx | biopsy |
| C&P | count and pour |
| Ca | Calcium |
| CAD | coronary artery disease |
| cal | calories |
| calc | calcium |
| cap | capsule |
| carb or carb. | carbon or carbohydrate |
| CBC | complete blood cell/count |
| CCB | calcium channel blocker |
| CD | chewable dispersible or curative dose |
| CDC | Centers for Disease Control and Prevention |
| CE | continuing education |
| cf | with food |
| CF | cough formula or cold formula |
| CFU | colony-forming unit (used in Probiotic supplements) |
| CHD | coronary heart disease |
| CHF | congestive heart failure |
| CHIP | Children's Health Insurance Program |
| chol | cholesterol |
| Cl | Chlorine or Chloride |
| cm | centimeter |
| CMS | Centers for Medicare & Medicaid Services |
| CMV | cytomegalovirus |
| CNS | central nervous system |
| CO2 | Carbon Dioxide |
| COPD | chronic obstructive pulmonary disease |
| CPhT | certified pharmacy technician |
| CPM | chlorpheniramine |
| CPR | cardiopulmonary resuscitation |
| cr | cream |
| CR | controlled release |
| CRC | child resistant cap |
| cre | cream |
| CSA | Controlled Substances Act |
| CV | cardiovascular |
| D | decongestant (abbreviation used in drug names) |
| D5LR | 5% dextrose in lactated Ringer's solution |
| D5NS | 5% dextrose in normal saline solution |
| D5W | 5% dextrose in water |
| DA | delayed action |
| DAW | dispense as written |
| dc or d/c | discontinue |
| DC | diagnosis code |
| DC | doctor of chiropractic |
| DDS | doctor of dental surgery |
| DEA | Drug Enforcement Administration |
| DH | hydrocodone (abbreviation used in drug names) |
| di or DI | diabetes insipidus |
| dil | dilute, dissolve |
| disp | dispense |
| dL | deciliter |
| DM | dextromethorphan |
| DM | diabetes mellitus |
| DMARD | disease-modifying anti-rheumatic drug |
| DNA | deoxyribonucleic acid |
| DO | doctor of osteopathy |
| DOC | drug of choice |
| DPM | doctor of podiatric medicine (Podiatrist) |
| DPS | Department of Public Safety |
| DR | delayed release |
| DS | double strength |
| DSPK | dose pack |
| DUR | drug use review or drug utilization review |
| DV | daily value |
| DVT | deep vein thrombosis |
| DW | distilled water |
| Dx | diagnosis |
| DX | dextromethorphan (abbreviation used in drug names) |
| DXM | dextromethorphan |
| EC or e.c. | enteric coated |
| ECT | enteric-coated tablet |
| ED | erectile dysfunction |
| EES or E.E.S. | erythromycin ethylsuccinate |
| e.g. | for example |
| ENT | ear, nose, and throat |
| ER | extended release |
| est or est. | established |
| exp or exp. | expired or expiration |
| FBS | fasting blood sugar |
| FDA | Food and Drug Administration |
| FD&C | food, drugs, and cosmetics |
| FD&C blue | a color additive used in food, drugs, and cosmetics |
| FD&C yellow | a color additive used in food, drugs, and cosmetics |
| fl | fluid |
| fl oz | fluid ounce |
| flu | influenza |
| FSA | flexible spending account |
| FSH | follicle-stimulating hormone |
| ft | foot, feet |
| GAD | generalized anxiety disorder |
| gal | gallon |
| GB | gallbladder |
| GERD | gastroesophageal reflux disease (acid reflux) |
| GFS | gel forming solution |
| GG | guaifenesin |
| GGPE | guaifenesin/phenylephrine |
| GH | growth hormone |
| GI | gastrointestinal |
| gm | gram |
| GMP | good manufacturing practice |
| gr | grain |
| GU | genitourinary |
| GYN | gynecology |
| H2O | water |
| HA | headache |
| HB or Hb | hemoglobin |
| hBNP | human B-type natriuretic peptide |
| HBP | high blood pressure |
| HBV | hepatitis B virus (a viral infection of the liver) |
| HC | hydrocodone or hydrocortisone |
| HCG | human chorionic gonadotropin |
| HCl or HCL | hydrochloride |
| HCT | hydrochlorothiazide |
| HCTZ | hydrochlorothiazide |
| HCV | hepatitis C virus (a viral infection of the liver) |
| HD | hydrocodone (abbreviation used in drug names) |
| HDL | high density lipoprotein (good cholesterol) |
| HEPA | high efficiency particulate air (filter) |
| HFA | hydrofluoroalkane (this is a propellant) |
| Hg | Mercury |
| HGB or Hgb | hemoglobin |
| HIPAA | health insurance portability and accountability act |
| HIV | human immunodeficiency virus (AIDS) |
| HMG-CoA | hydroxymethylglutaryl-coenzyme A |
| HMO | Health Maintenance Organization |
| HOH | head of household |
| HPV | human papillomavirus (it is spread through sex) |
| HRT | hormone replacement therapy |
| ht | height |
| HT or HTN | hypertension |
| IBS | irritable bowel syndrome |
| IBW | ideal body weight |
| ICD-9 | international classification of diseases, revision 9 |
| ID | intradermal |
| i.e. | that is |
| Ig | immuno globulin |
| IgE | immunoglobulin E |
| IM | intramuscular |
| in | inch |
| inh | inhalation |
| INH | isoniazid |
| inj | injection |
| INR | international normalized ratio |
| IPV | inactivated polio vaccine |
| IR | immediate release |
| ISMP | Institute for Safe Medication Practices |
| IT or ITCH | itching |
| IU or I.U. | international unit |
| IUD | intrauterine device |
| IV | intravenous |
| IVP | intravenous push |
| IVPB | intravenous piggyback |
| JRA | juvenile rheumatoid arthritis |
| K | Potassium |
| KCl or KCL | Potassium Chloride |
| kg | kilogram |
| KVO | keep vein open |
| LA | long-acting |
| lb | pound |
| LBP | low back pain |
| LDL | low density lipoprotein (bad cholesterol) |
| liq | liquid |
| lot | lotion |
| LPN | licensed practice nurse |
| MAb or mAb | monoclonal antibody |
| Mag or MAG | Magnesium |
| MAOI | monoamine oxidase inhibitor |
| mcg | microgram |
| mcL | microliter |
| MCO | Managed Care Organization |
| MD or M.D. | doctor of medicine |
| MDD | major depressive disorder |
| MDI | metered dose inhaler |
| MDP | Medrol Dose Pack |
| mEq | milliequivalent |
| Mg | Magnesium |
| mg | milligram |
| MI | myocardial infarction (heart attack) |
| mL | milliliter |
| MMA | Medicare Modernization Act |
| mm Hg | millimeters of mercury (to measure blood pressure) |
| MOM or MoM | Milk of Magnesia |
| MRI | magnetic resonance imaging |
| MS | morphine sulfate |
| MS | multiple sclerosis |
| MSC | methscopolamine |
| MTX | methotrexate |
| MVI | Multi-Vitamins or multiple vitamins |
| N/A or n/a | not available |
| N&V or N/V | nausea and vomiting |
| NA | nausea |
| Na | Sodium |
| NABP | national association of boards of pharmacy |
| NaCl | Sodium Chloride (salt) |
| NaHCO3 | sodium bicarbonate or sodium hydrogen carbonate |
| NDA | new drug application |
| NDC | national drug code |
| NEB or neb | nebulizer |
| NG | nasogastric |
| NKA | no known allergy |
| NKDA | no known drug allergy |
| No. or no. | number |
| Nos. or nos. | numbers |
| noct | night, at night |
| NPH | N insulin (an intermediate-acting insulin) |
| NPH | N insulin (neutral protamine hagedorn) |
| NPH | N insulin (Humulin N or Novolin N) |
| NPI | National Provider Identifier |
| NREM | nonrapid eye movement |
| NS | nasal spray |
| NS | normal saline (0.9% sodium chloride) |
| NSAID | nonsteroidal anti-inflammatory drug |
| NTG | nitroglycerin |
| NV | nausea and vomiting |
| OA | osteoarthritis |
| OB | obstetrics |
| OC | oral contraceptive |
| OCD | obsessive compulsive disorder |
| oint | ointment |
| OP or OPH | ophthalmic |
| OPHT or OPHTH | ophthalmic |
| OTC | over the counter |
| oz | ounce |
| P&L | profit and loss |
| P&T | Pharmacy and Therapeutics |
| PA | physician's assistant |
| PA | prior authorization |
| Pat. | patent |
| PB or Pb | phenobarbital |
| PBA | pharmacy benefits administrator |
| PBM | pharmacy benefit manager |
| PBM | prescription benefit manager |
| PCN | penicillin |
| pct | percent or percentage |
| PD | pediatric drop |
| PDE | phosphodiesterase |
| PDL | preferred drug list |
| PDP | prescription drug plan |
| PDR | physician's desk reference |
| PE | phenylephrine (abbreviation used in drug names) |
| PED | pediatric |
| PEFR | peak expiratory flow rate |
| PEG | polyethylene glycol (a laxative) |
| PG | prostaglandin |
| pH | a measure of how acidic or basic a substance is |
| PHI | protected health information |
| PI | perpetual inventory |
| PID | pelvic inflammatory disease |
| pkd | packaged |
| pkg | package |
| pkt | packet |
| PMDD | premenstrual dysphoric disorder |
| PMR | patient medication record |
| PMS | premenstrual syndrome |
| PNV | prenatal vitamins |
| POS | point of sale or point of service |
| PPI | patient package insert |
| PPI | proton pump inhibitor |
| PPO | Preferred Provider Organization |
| PSE | pseudoephedrine |
| pt | pint |
| pt or pt. | patient |
| PTCB | Pharmacy Technician Certification Board |
| PTH | parathyroid hormone |
| PTSD | posttraumatic stress disorder |
| PTU | propylthiouracil |
| Px | prognosis |
| qt | quart |
| QTY or qty | quantity |
| R&D | research and development |
| RA | rheumatoid arthritis |
| RBC | red blood cell/count |
| RDA | recommended daily allowance |
| RDA | recommended dietary allowance |
| Ref | reference |
| REM | rapid eye movement |
| Rev or Rev. | review, reviewed, revised, revision |
| RN | registered nurse |
| RPh | registered pharmacist |
| RPhT | registered pharmacy technician |
| RSV | respiratory syncytial virus |
| Rx | prescription |
| SA | sustained action |
| SAD | seasonal affective disorder, social anxiety disorder |
| sat | saturated |
| SBP or sbp | systolic blood pressure |
| sc | subcutaneous, under the skin |
| SERM | selective estrogen receptor modulator |
| SERV | serving or servings |
| sig | signa (directions for using a prescription) |
| SL or S.L. | sublingual, under the tongue |
| SMZ-TMP | sulfamethoxazole/trimethoprim |
| SNRI | selective norepinephrine reuptake inhibitor |
| SOB | shortness of breath |
| SOD or sod | sodium |
| sol or soln | solution |
| SOS | if necessary --- used in writing prescriptions |
| SOS or S.O.S. | a call or request for help or rescue |
| SPF | sun protection factor |
| sq | subcutaneous, under the skin |
| SR | sustained release |
| SSRI | selective serotonin reuptake inhibitor |
| STD | sexually transmitted disease |
| STI | sexually transmitted infection |
| subq | subcutaneous, under the skin |
| sup or supp | suppository |
| susp | suspension |
| SWI or SWFI | sterile water for injection |
| Sx | symptoms |
| syr | syrup |
| SYR | syringe |
| tab | tablet |
| tac or TAC | triamcinolone |
| tbsp | tablespoonful |
| TCA | tricyclic antidepressant |
| TCN | tetracycline |
| TD | transdermal |
| TDP | transdermal patch |
| TDS | transdermal delivery system |
| TE | therapeutic equivalence |
| TG | triglyceride (fat in the blood) |
| TMP | trimethoprim |
| top | topical |
| TR | timed-release |
| TSH | thyroid-stimulating hormone |
| tsp | teaspoonful |
| Tx | treatment |
| URI | upper respiratory infection |
| USP | United States Pharmacopeia |
| UTI | urinary tract infection |
| UV | ultraviolet |
| vag | vaginally |
| VD | venereal disease |
| VS | vital signs (Blood Pressure, Pulse, Temperature) |
| w/v | weight in volume or weight by volume |
| WA | while awake |
| WBC | white blood cell/count |
| WH | wheezing |
| wk | week |
| WNL | within normal limits |
| wt | weight |
| WZ | wheezing |
| XL | extra long |
| XR | extended release |