Pharmacology Flashcards
Management of opioid-related sickness
Haloperidol, metoclopramide
Medication licensed for motion sickness
Hyoscine hydrobromide
Lesser-sedating antihistamines recommended for motion sickness
Cyclizine
Cinnarizine
Characteristic side effect of Erythromycin
GI upset
QT prolongation
Characteristic side effect of Ciprofloxacin
Lower seizure threshold
Tendonitis
Characteristic side effect of Co-amoxiclav
Cholestasis
Characteristic side effect of Amoxicillin
Rash with EBV
Characteristic side effect of Trimethoprim
Rash, photosensitivity
Pruritis
Haematopoiesis suppression
Characteristic side effect of Doxycycline
Photosensitivity
Drugs which should be prescribed by brand
MR calcium-channel blockers Antiepileptics Ciclosporin, tacrolimus Mesalazine Lithium Aminophylline, theophylline Methylphenidate CFC-free beclometasone Dry powder inhalers
P450 Inducers
reduces effectiveness of COCP
Phenytoin Carbamazepine Barbiturates Rifampicin St John's Wort Chronic ETOH Griseofulvin Smoking
P450 Inhibitors
increases INR with warfarin use
Ciprofloxacin Erythromycin Isoniazied Omeprazole Amiodarone Allopurinol Fluconazole SSRIs Ritonavir Sodium valproate Acute ETOH
Rifampicin side effects
Reduces COCP effectiveness
Hepatitis
Orange bodily fluids
Isoniazid side effects
Enzyme INHIBITor Peripheral neuropathy Hepatitis Agranulocytosis Psychosis
Pyrazinamide side effects
Gout
Arthralgia, myalgia
Hepatitis
Nausea
Ethambutol side effects
Optic neuritis
Rash
Interact with statins
Macrolides (withhold statin during course)
Which drugs prolong QT
Amiodarone TCAs SSRI (esp citalopram) Chloroquine Erythromcyin, clarithromycin Ondansetron Haloperidol Methadone
Amiodarone classically increases levels of drugs:
Warfarin
Digoxin
Drugs which may exacerbate HF
Pioglitazone Verapamil NSAIDs Glucocorticoids Fleicanide
Statin monitoring
LFTs at baseline + 3m + 12m
ACEi monitoring
U&E at baseline + after dose increase + annually
Amiodarone monitoring - baseline
TFT, LFT, U&E, CXR
Amiodarone monitoring - ongoing
TFT + LFT 6-monthly
Methotrexate monitoring - baseline
FBC, LFT, U&E
Methotrexate monitoring - ongoing
FBC, LFT, U&E 1-2wks until stable
Then every 2-3m