Regulated - Controlled Drugs - Forno Flashcards
Controlled drugs are regulated by the _______
DEA
What class of controlled drug has the highest potential for abuse?
Schedule 1 (heroin)
** DVM not allowed to ever prescribe
In general, controlled drugs must:
- Be stored securely
- Record amounts purchased, administered, and dispensed
- Biennial inventory
What drugs must be stored in a class V security container?
- Thiafentanil
- Carfentanil
- Etorphine hydrochloride
- Diprenorphine
** doesnt mean these drugs are schedule 5, just needs class V container
Use of opoids in food producing animals is permitted by __________ if an adequate withdrawal time can be determined
AMDUCA
Where can you find information on the withdrawal time of opoids in food producing animals?
FARAD
Why can’t Tramadol be found in the Green Book or VetGram?
Not currently FDA approved as a veterinary medication
Schedule I drugs in Canada?
- Needs a prescription
- Provided by pharmacist
Schedule II drugs in Canada?
- Prescription not required
- only available from pharmacist
- Requires intervention from pharmacist at point of sale
- No public access and no patient self selection
Schedule III drugs in Canada?
- Available without prescription
- May have risks to certain populations in self-selection
What drugs have NO allowable extra label drug use in any food producing animal species? (8)
Group 1 Drugs
- Chloramphenicol
- Clenbuterol
- Diethylstilbesterol (DES)
- Fluoroquinolone (Antibiotic)
- Glycopeptides- all agents (Vancomycin)
- Medicated feeds
- Nitroimidazoles- all agents (Metronidazole)
- Nitrofurans - all agents
What drugs are prohibited or restricted from ELDU in food producing animals? (6)
Group 2 Drugs
- Adamantane & Neuraminidase inhibitors
- Cephalosporins
- Gentian Violet
- Indexed drugs
- Sulfonamide (Antibiotic)
- Phenylbutazone
Group III restricted and prohibited drugs in food animals:
Drugs with special restrictions for Grade A Dairy operations
Drugs prohibited due to toxic reactions?
- Chloramphenicol
- Clenbuterol
- Phenylbutazone
What kind of drug is chloramphenicol?
Antibiotic
What kind of drug is clenbuterol?
Beta 2 adrenergic agonist
What kind of drug is phenylbutazone?
NSAID
Cancer causing prohibited drugs?
- Diethylstilbestrol (DES)
- Nitrofurans
- Nitronimidazoles
- Sulfonamides
Drugs prohibited due to antimicrobial resistance?
- Fluoroquinolones
- Glycopeptides
- Cephalosporins
Concerning antiviral drugs in poultry….
No antiviral drugs are labeled for use in poultry in the USA at all
- used in places outside of US to prevent spread of avian influenza
- could promote drug resistance
What kind of drug is Adamantane?
Antiviral drug
- inhibits viral replication
What kind of drug are neuraminidase inhibitors?
Antiviral drug
What is gentian violet?
Xenobiotic dye
-increases dietary absorption of methionine and glucose
- Mold inhibitor
** not approved by FDA, impact of residues on human health has not been studied
Gentian violet is a mold inhibitor used to prevent growth retardation, but it is not approved by the FDA. What is an alternative mold inhibitor that can be used?
Propionic acid, other organic acids
What kind of drug is dypirone?
NSAID
Concerns about Dypirone?
Teratogenic, prolonged bleeding time and agranulocytosis in humans
- Can NOT use in food-producing animals or lactating dairy animals
When can Dypirone be used?
NSAID that can ONLY be used for injections in horses
What drugs are not to be used or stored on dairy operations or fed to lactating diary cattle?
- Dimethyl sulfoxide (DMSO)
- Colloidal Silver
Concerns associated with Dimethyl Sulfoxide?
Carcinogenic diseases
Cant use or store on dairy operations, cant use in feed to lactating dairy cattle
Why can’t colloidal silver be used?
- Human consumption can cause argyria- permanent gray/blue discoloration of skin, conjunctiva, and internal organs
- Use in pets can endanger the health of the patient by delaying timely appropriate treatment
Why is chloramphenicol prohibited in food producing animals?
Causes aplastic anemia in humans
- Residues in food animals can be fatal
Chloramphenicol can’t be used in food producing animals. What other drug can be used that attempts to accomplish the same goal?
- Thiamphenicol ( not approved in US)
- Florfenicol - approved for use in pigs and beef cattle
When can’t Florfenicol be used?
- Dairy cows > 20 months
- Veal calves
- Calves < 1 month old
- Calves on all milk diet
When is Clenbuterol approved for FDA use??
In horses with airway constriction only
Concerns associated with Clenbuterol?
- Illegal for use in food producing animals
- Residues in food products pose a threat to people, fatal
- ZERO TOLERANCE for residues
__________ has a zero tolerance for residues in food producing animals
Clenbuterol
Concerns associated with Phenylbutazone?
- aplastic anemia in humans
- Long half life in ruminant spp
- Not covered by AMDUCA
- Prohibited use in female dairy cattle > 20 months old
Phenylbutazone is an NSAID that can’t be used in lactating dairy cattle. What drug can be used in lactating dairy cattle?
Flunixin meglumine
** should only be used IV
What is diethylstilbestrol?
Non steroidal estrogen that used to be used to promote growth in food animals
*** no longer marketed in the US
*** use in food animals is prohibited
What kind of drug are nitrofurans?
Antibiotics
- Nitrofurazone
- Furazolidone
Concerns associated with nitrofurans?
- Carcinogenic effects
- Banned from use in food producing spp
- Residues found in meat and milk of cows
- Members of this drug class in food animals is illegal
What kind of drug are nitronimidazoles?
Antibiotics
Ex: Metronidazole
Concerns associated with Nitromidazoles?
- Linked to mutagenicity and carcinogenicity in cattle
- Prohibited use in food animals, illegal
Concerns associated with Sulfonamides?
- Carcinogenic
- Banned in adult dairy cattle
- Discouraged use in shoats bc residues in milk
What kind of drug are sulfonamides?
Antibiotic
Sulfonamides can’t be used in adult dairy cattle. Why? And what is an alternative drug that can be used?
Carcinogenic
- You can use sulfadimethoxine according to label, ELDU is prohibited
Concerns associated with Fluoroquinolones?
- Antibiotic resistance
- Prohibited from ELDU by FDA
- Illegal to use enrofloxacin in poultry
When can enrofloxacin be used?
To treat respiratory disease in beef cattle and calves, excluding veal calves
- must use according to label, no ELDU
________ is the only glycopeptide used in vet med
Vancomycin
** never used in food animals tho
When can glycopeptides be used in vet med?
- Last resort to treat MRSA
- Resistant staphylococcal infections
** must use vancomycin and never use in food animals
What kind of drug are glycopeptides?
Antibiotics
What kind of drug are cephalosporins?
Antibiotics
Concerns associated with cephalosporins?
- Prohibited ELDU in food animals
- Antibiotic resistance
Examples of antivirals prohibited for use in poulty?
- Adamantane
- Neuraminidase inhibitors
For a generic drug to be approved, what criteria needs to be met?
- Same active ingredient
- Same concentration
- Same absorption
When can the FDA not interfere in drug regulations?
Wild life species
What NSAID would you use in a dairy cow with mastitis?
Flunixin meglumine
A farmer wants to use nitrofurans to treat a topical wound, what do you advise him?
Prohibited use in food animals, dont use
** carcinogenic