ENDOCRINE- CORTICOSTEROIDS + CONDITIONS Flashcards
What is MOA of corticosteroids?
Synthetic version of hormones made by adrenal gland.
e.g. aldosterone , cortisol
What is aldosterone?
mineralocorticoid
What is cortisol?
Glucocorticoid
What is use of corticosteroids?
Inflammation + as an immunosuppressant
What are 2 routes of corticosteroids
Systemic e.g. oral
Local e.g. inhaled, topical + rectal
List 8 corticosteroids?
Betamethasone
Deflazacort
Dexamethasone
Fludrocortisone
Hydrocortisone
Methylprednisolone
Prednisolone
Triamcinolone
What 4 conditions are prednisolone used for?
Atsthma
COPD
Excema
IBD
What is dexamethasone usually used in?
Palliative care, anorexia
raised intracranial pressure
What is fludrocortisone used for?
Replacement therapy of aldosterone
mineralocorticoid
What is hydrocortisone?
replacement of cortisol
What are the 2 mineralocorticoid effects on electrolytes?
Na+/fluid retention = HTN + oedema caused
K+ excreted = HypOkalaemia + hypERcalcaemia
What is the most potent mineralocorticoid?
Fludrocortisone
What are 2 indications of
Fludrocortisone?
Neuropathic postural hypotension
Septic shock
What is hydrocortisone used in?
Acute hypersensitivity
Adrenal insufficiency
What are glucocorticoid effects?
Anti-inflammatory , low fluid retention
What 2 drugs are the most potent glucocorticoids?
dexamethasone
Betamethasone
What steroid has Significant mineralocorticoid activity?
Hydrocortisone
What 2 drugs are prednisolone derivatives?
Methylprednisolone
Deflazacort
What is a main SE of corticosteroid?
obesity
What are 3 endocrine SE of corticosteroids?
- Diabetes
- Cushing’s syndrome
- Growth failure in children
What 2 things to monitor children on steroids?
Height + Weight
What are 2 musculoskeletal SEs of corticosteroids?
Muscle wasting
Osteoporosis
What to give patients to prevent osteoporosis?
Bisphosphonates
What are 2 cautions in muscle wasting due to steroids?
Caution in patients on statins
Caution - myasthenia gravis
What are 2 GI SEs of corticosteroids?
Peptic ulcers
GI irritation + bleeding
What 4 counselling points to tell patient on steroids?
Take in morning- to avoid insomnia
Take with or after food - prevent GI irritation
Report psychiatric symptoms
Avoid contact with measles, chicken pox
What 2 CNS SEs of steroids?
Psychiatric reactions
Insomnia
What are 3 Skin related SEs of steroids?
Skin thinning
Purple red striae - stretch marks
Bruising
What are 2 eye related SEs of steroids?
Glaucoma
Cataracts
What are 2 MHRA warnings about steroids?
Central serous chorioretinopathy
Report blurred vision + disturbances
Psychiatric reactions - stop treatment
What is a contra-indication of steroids?
Avoid if patient has systemic infection & live vaccines.
Ocular infections may be exacerbated
What is risk of abruptly stopping steroids?
Adrenal suppression
What is a patient counselling point regarding preventing adrenal suppression?
Avoid sudden withdrawal if taking med for > 3 weeks.
NHS patient safety alert + card.
What are sick day rules surrounding steroids?
In fever, take high dose.
If vomiting - take extra dose.
What is a pneumonic for SEs of steroids?
ACHING BOSOM
Adrenal suppression
Cushing syndrome (cataract)
Hyperglycaemia, hyperlipidaemia
Infections, insomnia
Nervous system - psychiatric reaction
Glaucoma, GI ulcer
BP rasied, hypokalaemia
Osteopororis
Skin thinning
Obesity
Muscle wasting
How to manage taking corticosteroid to avoid SEs? (5)
Lowest effective dose for minimum period
single dose- morning
administer total dose of 2 days as single dose on alternative days
intermittent short courses
local route- inhaled
What pateints should AVOID abrupt withdrawal of steroids? (5)
Repeat dose in evening
Repeated courses
taking short course within 1 year stopping
> 40mg daily for 1+ week
those using >3 weeks
Other causes of adrenal suppression
What 3 drugs can increase steroid level?
Clarithromycin
Itraconazole
Ketaconazole
What 3 drugs decrease steroid levels?
Carbamazepine
phenytoin
rifampicin
What drug class can increase GI bleed risk with steroid?
NSAIDs
What drug classes can increase risk of hypokalaemia with steroid use?
B2 agonist, loop + thiazide diuretic, theophylline
TCA, macrolides, SSRIs, Antipsychotics
What are 2 MHRA warnings about hydrocortisone?
Muco-adhesive buccal tablets should NOT be used off-label in children for adrenal insufficiency
Alkindi - acute adrenal insufficiency in children switching tab to granules
What solution for alkindi (hydrocortisone) tablet to granule switch in children?
observe for symptoms in 1st week + take action- increase dose
What are 2 MHRA warnings about methylprednisolone?
Injectable me has lactose- not to use in allergic patients
Lactose free- serious allergic reactions if confusing formulations
What is adrenal insufficiency?
adrenal glands do not make enough cortisol + aldosterone
What are 2 treatment drugs for adrenal insufficiency?
Hydrocortisone
Fludrocortisone
How many doses of hydrocortisone is given in adrenal insufficiency?
2 doses
What formuation to give in adrenal crisis?
IV version of HC or Fludrocortisone
What are some symptoms of adrenal crisis?
Low BP, dizzy, fever, shivering, N, V +D, tiredness, drowsiness or confusion, aching muscles + joints, stomach ache
What are sick day rules for using steroids during fever or infection and requiring antibiotics?
2 times daily use
Switch to short acting
What are 2 short acting steroids?
Hydrocortisone
Cortisone
What steroid to use if persistent vomiting from GI viral illness?
Using IV or IM steroid
What is important to note in sick day rules in steroid patients?
Carry emergency kit
What is cushing’s syndrome?
Set of symptoms caused by high cortisol levels
What are 6 symptoms of cushing’s syndrome?
Hiruitism
Erectile dysfunction
obesity
osteoporosis
purple striae
hypertension
Moon face
What is 1st line drug tx for cushing’s syndrome?
Ketoconazole
What are 2 counselling points on ketaconazole for cushing’s syndrome?
Report signs of liver disorder
Report signs of adrenal insufficiency
What 3 electrolyte imbalances in adrenal insufficiency?
HypOnatraemia
HypERkalaemia
HypOglycaemia
What are 3 Mineralocorticoid SEs?
HTN
Hypokalaemia
Hypocalcaemia
What are 4 glucocorticoid SEs?
Diabetes
osteoporosis
necrosis of femoral head + muscle wasting
GI ulceration + perforation
What 2 conditions to avoid when on steroids?
Measles and chickenpox
What happens if person taking steroids has chickenpox?
Urgent treatment needed
What to do if patient on steroids has measles
Prophylaxis of IM immunoglobulin
Seek medical advice
What is a mild steroid?
Hydrocortisone
What is a MODERATE steroid?
Clobethasone
What is a potent steroid?
Betamethasone
What is a very potent steroid?
Clobetasol
What are 5 Mineralocorticoid effects?
hypertension
sodium retention
water retention
potassium loss
calcium loss
What are 6 glucocorticoid effects?
Diabetes
Osteoporosis
high doses are associated with avascular necrosis of the femoral head
muscle wasting (proximal myopathy)
Peptic ulceration and perforation
psychiatric reactions
What are some SEs of abrupt withdrawal of steroids?
lead to acute adrenal insufficiency, hypotension or death.
Withdrawal can also be associated with fever, myalgia, arthralgia, rhinitis, conjunctivitis, painful itchy skin nodules and weight loss.