MONITORING REQS, ADR INTERACTIONS Flashcards
What are statin monitoring during initiation?
LFT/Lipid profile 3 months after initiation + 12 months.
No need to monitor LFT routinely as no evidence beneficial.
What statin monitoring needs to happen before starting it?
ALT/AST
BP
BMI
HDL/ non-HDL cholesterol
Serum Creatinine (clearance) OR eGFR
TSH
Total cholesterol
Consider: HBA1C, FBC, creatine Kinase.
What baseline lithium monitoring is needed before starting?
Body weight/ BMI
Cardiac function/ ECG
eGFR
FBC
Calcium
TFH
U+E
What baseline lithium monitoring needed after initiation?
Lithium level = 3 monthly
TFT tests + egfr/u + e , Weight, BMI, + calcium =6 monthly
When is lithium monitoring done in high risk patients?
3 monthly
What 7 criteria make patients high risk for lithium + require more monitoring?
65 and over
Taking drugs interact with lithium
Impaired renal function
impaired thyroid
raised calcium
change in sodium level or fluid intake
poor symptom control
last level was 0.8mmol/L or higher
What is MTX pre screening?
Exclude pregnancy before treatment
FBC, RENAL, LFT
What baseline ACEi monitoring needed before starting?
BP
eGFR
potassium + sodium
Urea
What ACEi monitoring needed after initiation?
Renal profile (eGFR/potassium) = 3 weeks after starting
BP = yearly
What monitoring req needed for antipsychotics (Olanzapine) annually?
FBC
Renal
LFT
HBA1c
Lipid profile
Prolactin
ECG
Physical health check
What happens to patients with hypoproteinaemia?
Reduced protein binding
Increased free drug for protein bound drugs so toxicity
e.g. pred, NSAID, warfarin, phenytoin
What is menadiol?
Water soluble vit K- helps prevent vit K deficiency in fat malabsorption syndroms
What 2 drugs can build up if reduced bile excretion?
Fusidic acid + rifampicin excreted can build up
What 3 types of drugs can cause hepatic coma?
Drugs causing hypokalaemia
Constipating drugs
sedating drugs
What is tx for hepatic encephalopathy?
Lactulose
What 2 drugs can increase fluid retention + cause oedema?
NSAID
Steroids
What are some signs of liver toxicity?
Jaundice
Abd pain
N +V
Malaise
Weight loss
dark urine
Pale/ clay stools
Confusion
What class of drugs are hepatotoxic?
Labetalol
statin
valproate
amiodarone
co-amox + fluclox
MTX
Paracetamol
Tetracyclines
Carbamazepine
Ketaconazole
Sertraline + grapefruit juice?
Grapefruit juice moderately increases the exposure to Sertraline. Manufacturer advises avoid.
grapefruit juice + quetiapine?
Increases exposure
What immunosupressants interact with grapefruit?
Ciclosporin
tacrolimus
What does liver impairment lab results show?
High ALT, AST, ALP, GGT, Bilirubin.
Low albumin
High INR
List some nephrotoxic drugs?
MTX
Nsaids
ACEI
Aminoglycosides/ salicylates
Cephalosporins
Lithium
Tetracyclines
List signs of AKI?
N +V
dehydration
ankle swlling
reduced urin output
fatigue
High BP
What 4 drugs to stop in SICK day rules?
Diuretics
ACEi
Metformin
Nsaids
When to start meds after AKI?
When patient well
24-48 hrs after eating + drinking
What 3 drugs colour urine red?
/ co dantramer
doxorubicin
levodopa
What drug colours urine red/ orange
Rifampicin
What drug colours urine orange?
Sulfasalazine
What 2 drugs colour urine yellow/brown?
Nitro
Senna
What 2 drug colours urine pink?
Phenindione
nefopam
What drug colours urine blie?
Triamterene
cimetidine - green/blue
What drugs colour urine brown?
Prostaglandin analogues
Entacapone (red/brown)
What opioid is an alternative to morphine?
Oxycodone
How much morphine make up diamorphine?
1/3 dose of morphine
What to do when switching opioid due to hyperalgesia?
Reduce by 25-50%
What are 3 opioid SEs?
Constipation
N+ V
Dry mouth
What is used for opioid induced constipation?
Senna + lactulose or co- danthramer
or Methylnaltrexone
What is used in paliative patients for N+ V caused by opioids?
Metoclopramide or haloperidol -4 to 5 days