IM1- Pharm 3 quiz Flashcards
What is an adverse drug reaction (ADR)
“Any noxious, unintended, undesired effect that occurs at normal drug doses”
What are some mild ADR effects?
- Drowsiness
- Itching
- Nausea
- Rash
What are some severe ADR effects?
- Respiratory depression
- Organ injury
- Anaphylaxis
- Death
What are some ADR Considerations?
- What increases the risk?
-Multiple illnesses
-age - What is the impact- for whom?
- How can harm be minimized
- Checking the mar
-Verify arm band - ask allergies
- Checking the mar
Define side effect
A nearly unavoidable secondary drug effect produced at therapeutic doses
Define toxicity
Any severe ADR, regardless of the dose that caused it
Define allergic reactions
Immune response, the intensity of which is determined by immune system, not dosage
Define idiosyncratic effect
Uncommon drug response resulting from genetic predisposition
Define Paradoxical effect
The opposite of the intended drug response
Define iatrogenic disease
Occurs as the result of medical care or treatment including disease produced by drugs.
Define physical dependence
Body has adapted to drug exposure in such a way that abstinence syndrome will develop if discontinued
Define carcinogenic effect
The ability of certain medications and chemicals to cause cancers
Define teratogenic effect
Drug-induced birth defect
What are some characteristics of hepatotoxic drugs. list 5
- Liver is the primary site of metabolism
- Drugs are leading cause of liver failure
- Over 50 commonly given drugs are hepatoxic
- Some drug metabolites are hepatoxic
- Combining hepatoxic drugs increases risk of liver injury.
What are characteristics of QT drugs?
- QT drugs - prolong QT interval
- Can cause life-threatening dysrhythmias
- QT drugs found in several drug classes
- Females at higher risk
- Multiple QT drugs should not be given concurrently
True or false: Some medications are not appropriate for patients with prolonged QT interval
True
How are kidneys affected by ADR
- Because kidneys filter metabolites out of body cumulative exposure can cause damage
How are the ears affected by ADR?
- Ototoxic reactions can cause permeant damage
How are the lungs affected by ADR?
- Can be pneumotoxic
over 600 drugs are pneumotoxic
What are some questions you should ask when trying to determine if your patient is having an ADR?
- Did symptoms appear shortly after the drug was first used?
- Did symptoms abate when the drug was discontinued
- Did the symptoms reappear when the drug was reinstituted
- Is the illness itself sufficient to explain to explain the event
- Are other drugs in the regimen sufficient to explain the event.
What are some ways to minimize ADRs?
- Early identification is key
- Know major ADR’s that a drug can produce
- Monitoring of organ function if toxic drugs are being given
- Individualizing therapy
- Patient teaching