Drug Revision Flashcards
Name some cytochrome P450 inhibitors
SOFA ACCCA sodium valporate omeprazole (ppi) fluoxitine (SSRIs) Antibiotics (erythromycin, ciprofloxacin, clarithromycin, isonizaid, metronidazole)
anti-fungals (fluconazole, miconazole) calcium channel blockers e.g. diltiazem cranberry and grapefruit juice cimetidine Amiodarone
The most important P450 inhibitors
clarithromycin ciprofloxacin erythromycin miconazole sodium valporate juice
Substrates of cytochrome p450
CCCOW PATS PLODS corticosteroids carbamezapine clopidogrel OCP warfarin
phenytoin
amitryptaline (and ssri)_
theophylline
statins
painkillers- paracetamol, NSAIDs, opioids, benzodiazepines losartan omeprazole donepazil sodium valporate
Most important P450 substrates
warfarin OCP theophylline carbamezapine phenytoin corticosteroids
Inducers of cytochrome P450
CRAPS GBS Carbamezapine Rifampicin Alcohol Phenytoin
Gliclazides (sulphonylureas)
Barbituates
St John’s Wort
Drugs that can cause a flare of gout
beta-blockers aspirin niacin diuretics ACE inhibitors
BANDA
Drugs that can lower folate level and cause macrocytic anaemia
MAT D
methotrexate
anti-epileptics
trimethoprim
drugs
Nephrotoxic drugs
DIAMOND HAL diuretics iv contrast (iodine) ace-inhibitor metformin opioids Nsaids Digoxin
Heparin
Aminoglycosides
Lithium
Drugs that cause HYPOkalaemia
Diuretics- loop and thiazide
corticosteroids (mainly mineral)
Combination of beta-2 agonists, theophylline and corticosteroids
stimulant laxatives- senna
Hypokalaemia causes digoxin toxicity
Drugs that cause HYPERkalaemia
PAPATs potassium ACE-i Postassium sparing diuretics ARBs Trimethoprim spironolactone
Drugs that cause HYPOtension
Tricylcic antidepressants Nitrates Diuretics Adenosine Amiodarone ACE-i/ARBs Alpha-blockers - doxazosin Dopaminergic drugs- L-dopa Fibrinolytics- aletplase Phosphodiesterase inhibitors- sildanefil
SANDAL DATA
drugs that lower the seizure threshold
opioids SSRI's tricyclics quinlones (ciprofloxacin) cephalosporins carbapenems metronidazole -SE methotrexate- SE
Drugs that prolong the QT interval
SSRIs Tricyclic anti-depressants antifungals macrolides- erythro and clarithro Quinolones- ciprofloxacin Hypokalaemia
Drugs that raise blood glucose
barbituates thiazide diuretics corticosteroids birth control niacin
Drugs that have a low therapeutic index
guys with large dongles totally make perfect internet connection gentamicin warfarin lithium digoxin theophylline methotrexate phenytoin insulin ciclosporin