To be classified as an Over The Counter medication:
[5 Things]
1. Safe (benefits outweigh the risks)
2. Low potential for misuse or abuse
3. Can be labeled
4. Pt. must be able to self diagnose the condition for which the drug is being taken
5. Must be for a condition the patient can manage without supervision by licensed health professional
Tylenol is metabolized in the _______.
Liver
The maximum daily dose of Tylenol is:
4000 mg
or
4 g
The Mechanism of Action for Aspirin is:
COX1 and COX2 inhibition
(bonus: COX stands for cyclooxygenase)
What four pathways does aspirin work?
1. antipyretic
2. antiinflammation
3. antiplatelet
4. Analgesic
What are some Adverse Reactions of Aspirin?
GI irritation, bleeding problems (irreversible inhibition of platelet aggregation)
True or False: When taking aspirin, take with food to decrease the risk of GI irritation.
True.
What are some contraindications for taking aspirin?
Hemophilia, Peptic Ulcer Disease, Vit. K deficiency, and if you're a kid!
ASA use not safe in children.
What pregnancy categories is aspirin?
1st/2nd Trimester: cat. C
3rd Trimester: Cat. D
What is an example of a trade name for aspirin?
Bayer
What is Acetaminophens trade name?
Tylenol
What is acetaminophen's mechanism of action?
central inhibition of prostaglandin synthesis
Does tylenol have anti-inflammatory activity?
No!
What condition should you use caution when prescribing tylenol?
Liver disease.
What pregnancy category is tylenol?
Category B
What is a trade name for Naproxen?
Aleve
What are trade names for Ibuprofen?
Motrin and Advil
What classification of drug are Ibuprofen and Naproxen?
NSAIDs
What does NSAID stand for?
Non-steriodal anti-inflammatory
What is the mechanism of action for NSAIDs?
COX1 and COX2 inhibitors
What is the mechanism of action for Ibuprofen?
COX1 and COX2 inhibitors
What is the mechanism of action for Naproxen?
COX1 and COX2 inhibitors
What four pathways do NSAIDs use to work?
1. antipyretic
2. antiplatelet
3. anti-inflammatory
4. analgesic
What adverse reactions do NSAID's have?
GI Irritation
Bleeding problems (irreversible* inhibition of platelet aggregation)
(* Emailed Tasmina about this... NSAIDS and ASA have everything the same except this reversible/irreversible discrepancy- I'll keep you updated on her response)
What pregnancy category are NSAIDs?
1st/2nd trimester: Category C
3rd trimester: Category D
Pediatric Dosing of Ibuprofen
0-12 years old:
5-10 mg/kg/dose every 6-8 hours
Pediatric Dosing of Acetaminophen
0-12 years old:
10-15 mg/kg/dose every 4-6 hours
True or False: Patient can be on Ibuprofen and Acetaminophen concurrently.
True.
Due to the different mechanisms of action, patients may get the most symptom relief by switching between the two meds.
True or False: Patient can take Ibuprofen and Naproxen concurrently.
False!
These drugs have the same mechanisms of action- if given concurrently the risk of adverse reaction is increased.
Antihistamines compete with _________.
Histamine
Histamines are the primary mediator for:
Sneezing and itching
_______ are the first line agents for prophylaxis and treatment of allergic symptoms.
Antihistamines
Urticaria means...
itching
Rhinitis means...
irritation or inflammation of the mucosal lining of the nose
What are two examples of first generation antihistamines?
diphenhydramine
and
chlorpheiramine
What is a trade name of a first generation antihistamine?
Benadryl
True or False: First generation antihistamine drugs cross the blood brain barrier.
True.
More lipophilic than second generation which allows it to cross the blood brain barrier
True or False: First generation antihistamines are MORE lipophilic than second-generation antihistamines.
True.
Why they can cross the blood brain barrier and cause drowsiness.
Common adverse effect of First generation antihistamine:
Drowsiness
Name three drug names of second generation antihistamines.
1.Loratadine
2. Cetirizine
3. Fexofenadine
What is the trade name for Loratadine?
Claritin
What is the trade name for Cetirizine?
Zyrtec
What is the trade name for Fexofenadine?
Allegra
True or False: Second generation antihistamines are less likely to cross the blood brain barrier.
True!
Because they're less lipophilic than first generation antihistamines.