Morphine Flashcards
Brand name of Morphine
Roxanol, M.S. Contin
Drug class of Morphine
Opioid Analgesic
What drug schedule is Morphine classified?
(Schedule II narcotic)
Indications of Morphine
Severe CHF, acute pulmonary edema, chest pain associated with acute MI, analgesia for moderate to severe acute and chronic pain
Morphine’s mechanism of action
Alleviates pain through CNS action. Suppresses fear and anxiety centers in the brain. Depresses brainstem respiratory centers. Increases peripheral venous capacitance and decreases venous return. Decreases preload and afterload, which decrease myocardial oxygen demand.
Contraindication for Morphine
Head injury, exacerbated COPD, depressed respiratory drive, hypotension, undiagnosed abdominal pain, decreased LOC, suspected hypovolemia, patients who have taken MAOIs within 14 days.
Adverse effects of Morphine
Confusion, sedation, headache, CNS depression, respiratory depression, apnea, bronchospasm, dyspnea, hypotension, syncope, bradycardia, tachycardia, NV, dry mouth.
Precautions of Morphine
Potentiates sedative effects of phenothiazine’s
(promethazine) CNS depressants may
Potentiate effects, MAOI’s may cause
Paradoxical excitation
Adult dose and admin of Morphine
STEMI 2-4 mg SIVP repeat dose 2-8 mg at 15 minute intervals. Pain control (medical direction).
Pediatric dose and admin of Morphine
0.1-0.2 mg/kg IV/IO/IM/SC with max dose of 5 mg