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Antiepileptic drugs
gabapentin (neurontin), lamotrigine( lamictal), topiramate(topamax), pregabalin ( Lyrica), levetiracetam C Keppra), phenytoin (Dilantin), Oxcarbazepine(Trileptall, divalproex sodium (Depakote)
Risperidone (Risperdal)
Schizophrenia
Med elderly people should avoid
Antihistamines, tricyclic antidepressants, benzopiazepines. These drugs make patients drowsy and can remain in the body longer due to their slow metabolism.
Anticancer meds cause
Immunosuppressive, vomiting, hair loss
Narrow therapeutic index
There is a narrow range of safe dosage, minor changes can cause serious side effects; e.g. warfarin (Coumadin), lithium( lanoxin), phenytoin (Dilantin), theophylline ( THEO-24), cyclosporine ( sandimmune), tacrolimus ( Prograf)
Theo-24
Bronchodilator used for asthma and other breathing issues
Unlicensed pharmacy staff cannot
Enter new prescription info into the system
Drug supply chain security act
System that tracts drugs and requires drug pedigree from manufacturers
Hs
At bedtime
Do not use these
u,IU, qd, qod ( every other day), chemical formulas instead of written name, trailing zeros: use 5 instead of 5.0
Max beyond use dates
Oral solutions 14 days, topical semicolons 30 days, oil based preparations 6 months
If Schedule 2 scrpt sent by fax
Hard copy must be mailed within 7 days
Prescription error
Mistake made in prescribing, dispensing, or administration process
Vitamin k and warfarin
Vitamin k affects clotting when taken with warfarin
3% to create 0.1% of 100g cream
C1 x v1 =c2 x v2