Prescribing - section 1 Flashcards
drugs that are enzyme inducers encourage drug breakdown mnemonic
PC BRAS
- Phenytoin
- Carbamezipine
- Barbiturates
- Rifampicin
- Alcohol (chronic excess)
- Sulphonylureas
drugs that decrease enzyme activity and cause increased concentration
AODEVICES
- Allopurinol
- Omeprazole
- Disulfiram
- Erythromycin
- Valproate
- Isoniazid
- Ciprofloxacin
- Ethanol (acute intoxication)
- Sulphonamides
drugs to stop before surgery
I LACK OP
- insulin
- lithium
- anticoagulants/antiplatelets
- COCP/HRT
- K-sparing diuretics
- Oral hypoglycaemic
- Perindopril and other ACE inhibitors
when to stop COCP before surgery
4 weeks before
when to stop lithium before surgery
day before
when to stop potassium sparring diuretics and ACE inhibitors before surgery
day of surgery
what does co-amoxiclav and Tazocin both contain
penicillin
management of PE
DOAC - rivaroxaban
what not to give if patient asthmatic
beta blocker
NSAIDs
first line for heart failure
ACE inhibitor - ramipril 1.25mg
hypertension <55 drug
ACE inhibitor - ramipril 1.25mg
hypertension >55 or black
calcium channel blocker - amlodipine 5mg
diabetes and hypertension
ace inhibitor - ramipril 1.25mg
cough with ace inhibitor
ARB - losartan 80mg
acute asthma
salbutamol
5mg - dose
STAT - frequency
nebulised - route
AF treatment
beta blocker (remember not in asthamtic)
rate limiting calcium channel - diltiazem, verapamil
AF diltiazem
dose: 120mg
route: oral
frequency: daily
what drug for hyperkalaemia
actrapid
dose: 10 units in 125ml of 20% glucose
frequency: infused over 15 minutes
route: IV
all women child bearing potential seizures
lamotrigine
dose: 25mg
frequency: once daily
route: oral
what not to give if patient has SIADH
carbamezipine
when not to give metformin
creatinine >150
1st line type 2 diabetes
metformin
metformin contraindicated or normal weight what next for type 2 diabetes
gliclazide
dose: 40mg with first meal
route: oral
frequency: once daily
what to prescribe if patient has mild Alzheimers
donepezil hydrochloride
