Week 1 Flashcards
Pharmacology
Study of medicine
What are the 3 names given to drugs
- Generic
- Trade
- Chemical
Which class of controlled substances are considered highest risk of abuse potential
Class 1
Allergic reaction
-Non life threatening
Anaphylactic reaction
-Life threatening
5 Rights of medication administration
- Right drug
- Right dose
- Right route
- Right patient
- Right time
Time frames for drugs
- STAT: within 5 min
- ASAP: within 30 min
- Routine: within 2 hrs
- Standing order: usually a PRN order
Drug-Administration Procedures
- Drug orders must be reviewed by the attending physician within specific time frames, at least every 7 days (inpatient facility)
- Drugs may need to be administered during or between meals, depending on interaction with food
- Be aware of side effects of drugs that are best taken in the morning versus everning
Routes of administration for medications
- Enteral
- Topical
- Parenteral
Enteral route (enter the stomach)
- Lowest bioavailability
- By mouth: tablets, capsules, sublingual, and buccal
- Nasogastric tube or gastrostomy
- Tablets and capsules most common form of drugs
Sustained-release tablets or capsules
- Designed to dissolve very slowly
- Created to increase compliance by reducing frequency and dosage
Oral Drugs
- Drug absorbed
- Enters the hepatic circulation, goes to liver
- Drug is metabolized to inactive form
- Drug conjugates and leaves liver
- Drug is distributed to general circulation
- Many drugs rendered inactive by first-pass effect
Sublingual and Buccal drug administration
- Give all oral meds then these
- Tablet is kept in mouth
- Sublingual medication is placed under the tongue and allowed to dissolve slowly
NG & GT drug administration
- NG tube is short-term tx
- GT tube is long-term tx
- Both methods generally use liquid drugs
Topical drugs
-Applied to the skin or mucous membranes
-Applied to the skin is the most common
Instillations and irrigations are applied into body cavities or orifices
-Inhalations are applied to the respiratory tract by inhalers, nebulizers, or positive pressure breathing
-Intended for local effect
-Fewer side effects