ACETAMINOPHEN (TYENOL)

Question 1

CLASS

Answer 1

ANALGESIC, ANTIPYERETIC

Question 2

DESCRIPTION

Answer 2

ACTS PRIMARILY ON CNS INCREASING THE PAIN THRESHOLD BY INHIBITING THE ISOFORMS OF CYCLOOXYGENASE, ENZYMES THAT ARE INVOLVED IN PROSTAGLANDIN SYNTHESIS.

Question 3

ONSET & DURATION

Answer 3

ONSET- ORALLY: 10- 30 MINUTES
IV- 3-5 MINUTES
DURATION- PO: 3-4 HOURS
IV: 4-6 HOURS

Question 4

INDICATIONS

Answer 4

TEMPORARY RELIEF OF FEVER, MILD OR MODERATE PAIN

Question 5

CONTRAINDICATIONS

Answer 5

HYPERSENSITIVITY
HEPATIC IMPAIRMENT
RENAL IMPAIRMENT
HYPOVOLEMIA, SEVERE
CHRONIC ALCOHOL USE

Question 6

ADVERSE REATIONS

Answer 6

NAUSEA/VOMITING
RASH
HEADACHE
ANEMIA
THROMBOCYTOPENIA

Question 7

DRUG INTERACTIONS

Answer 7

VOID WITH CONCURRENT USE OF ETHANOL, ISOIAZID, AND OVER-THE-COUNTER DRUGS THAT CONTAIN ACETAMINOPHEN.

Question 8

HOW ACETAMINOPHEN IS SUPPLIED

Answer 8

325MG, 500MG,(CAPSULES)

Question 9

DOSAGE AND ADMINISTRATION

Answer 9

MILD PAIN AND FEVER: 325- 1000 MG PO EVERY 4-6 HOURS AS NEEDED

Question 10

SPECIAL CONSIDERATIONS

Answer 10

PREGNANCY SAFTEY- CATEGORY B
HARMLESS AT LOW DOSES, MAY CAUSE ACUTE LIVER FAILURE IF TAKEN IN EXCESS