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15 Cards in this Set
- Front
- Back
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Classes of drugs |
N- narcotics C- controlled D- biologicals Pr- prescription R- restricted OTC- over the counter |
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How to determine if a drug is prescription? |
1. Pr symbol 2. Check prescription drug list 3. Any drug used off label |
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Drug label: |
DIN Trade, generic, chemical name Manufacturer Indicates class of drug Pharmacology Storage and handling Indications Precautions |
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Indications |
Includes: Condition Specific patient type Recommended dosage (mg/kg) Route of administration Frequency and duration or treatment |
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Examples of ELDU |
Different spp Different age group Higher/lower dose Longer/shorter duration Combining w other drugs Crushing tablets/ mixing in food Splitting more than recommended |
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Compounded drugs |
Drug that has been altered Disadvantage: affects stability of the drug May alter drug efficacy and se Used when: No other options exist |
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Hierarchy of prescription |
1. Approved vet drug on label 2. Approved vet drug eldu 3. Approved human drug 4. Compounded drug - a) from approved vet drug eldu - b) from approved human drug |
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Dose |
Total amount of drug given at any one time Expressed as mg dosage |
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Dosage |
Dosage regiment Administering of specific amount of drug; number and frequency over time Per kg dose (mg/kg) Route Frequency Duration |
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Dosage forms |
Tablet Capsule Sustained release Suspension Ointments Paste Injectables Implants |
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Types of implants |
Antibiotic impregnated beads implanted in joint Hormone implant for calf |
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Drug toxicity |
Acute adverse effects: Often no further damage after drug removed Effects on Cv/resp/muscles/GI/nervous/ endocrine/ repro Chronic adverse effects: Decreased repro, teratogenicity cancer Long term liver |
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Lethal dose |
Death Median lethal dose (LD50) Measure of toxicity Kills 50% of animals that receive it |
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Dosing factors that maximize how long the drugs stay in therapeutic range: |
Drug dosage Route of admin Giving a loading dose - loading dose: first dose is larger Loading interval: first few doses given more frequently Dosage interval (frequency) maintenance |
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Maintenance dose |
Repeated dose at set frequency to keep drug in therapeutic range |
