EOR pharm part 2 Flashcards
Dosage forms of Tylenol with codeine
Tablet
PO suspension
Average daily dosages of Tylenol with codeine
Cough: 1/2t-1t every 4-6 hours
Pain: 1-2t every 4-6 hours
Common indications of Tylenol with codeine
Relief of mild-to-moderate pain
MOA of Tylenol with codeine
Acetaminophen: Although not fully elucidated, believed to inhibit the synthesis of prostaglandins in the central nervous system and peripherally block pain impulse generation; produces antipyresis from inhibition of hypothalamic heat-regulating center.
Codeine: Binds to opiate receptors in the CNS, causing inhibition of ascending pain pathways, altering the perception of and response to pain; causes cough suppression by direct central action in the medulla; produces generalized CNS depression
Common adverse effects of Tylenol with codeine
Hepatotoxicity Steven Johnson syndrome Constipation Dizziness/drowsiness HA Lightheadedness
Renal or hepatic dose adjustments of Tylenol with codeine
Hepatic: use with caution may cause hepatotoxicity
BBW for Tylenol with codeine
Hepatotoxicity and ultra-rapid metabolism of codeine to morphine
Clinically sig drug interactions of Tylenol with codein
EtOH
Major counseling points of Tylenol with codeine
Do not use any other product including OTC with APAP
Avoid alcohol
Do not exceed 3-4gm/day of APAP
Monitoring parameters of Tylenol with codeine
Pain control
Constipation
Abuse
Misuse
Dosage forms of risperidone
Tablets, Orally disintegrating tabletsRISPERDAL® M-TAB® Orally Disintegrating Tablets 0.5 mg, 1 mg, 2 mg, 3mg, 4mg,
Powder for injection
Oral solution
Average daily dosages of risperidone
Oral: 1mg BID on day 1, 2mg BID on day 2, 3mg BID on day 3, then titrate on a weekly basis. Max dose: 16mg
Injection: 25mg IM every 2 weeks
Common indications of risperidone
Bipolar mania Bipolar I maintenance Schizophrenia PTSD Tourette's syndrome Agitation
MOA of risperidone
Dopamine (D2) and serotonin (5HT2) antagonism
Common adverse effects of risperidone
EPS Tachycardia Priapism Rash Somnolence Agitation/anxiety
Renal or hepatic dose adjustments for risperidone
Renal and hepatic adjustments recommended
BBW in risperidone
Increased mortality in elderly pts with dementia-related psychosis
Drug interactions with risperidone
Fluoxetine, carbamazepine, and clozapine may increase risperidone