Corticosteroid Responsive Conditions Flashcards
What are corticosteroids used for?
Inflammatory long term diseases
Immunosuppressants
What are the corticosteroids?
Betamethasone Deflazcort Dexamethasone Fludrocortisone Methylprednisolone Prednisolone Prednisone Triamcinolone
What are the side effects of dexamethasone?
Anorexia
Raised intracranial pressure
What are the side effects of fludrocortisone?
Postural hypotension
Which corticosteroids have high mineralcorticoid activity?
Fludrocortisone - most potent
Hydrocortisone
What is a side effect of mineralcorticoids?
Fluid retention
When is fludrocortisone used?
If fluid retention is beneficial e.g. low blood pressure
When is hydrocortisone used?
Not in long term disease suppression due to fluid retention
Useful glucocorticoid on short term basis via IV
What are the mineralcorticoid side effects?
Fluid retention
Na+ and water retention - hypertension
K+ Ca2+ loss
Most marked with fludrocortisone
Significant with hydrocortisone, corticotrophin, tetracosactide
Negligible with betamethasone and dexamethasone
What is the main effect of glucocorticoids?
Anti inflammatory
What are the steroids with high glucocorticoid activity?
Dexamethasone/betamethasone - most potent
Prednisolone/prednisone - significant
Deflazcort - significant
When is dexamethasone/betamethasone used?
If fluid retention is a disadvantage - e.g. heart failure
Very little mineralcorticoid activity
When is prednisolone/prednisone used?
Prednisolone most common oral steroid
Asthma, COPD, IBD
What are the glucocorticoid side effects?
Endocrine - diabetes (hyperglycaemia)
MSK - osteoporosis ( > 3 months use - prophylaxis with bisphosphonates)
Muscle wasting - caution with statins
GI - peptic ulcers, irritation, dyspepsia
Psychiatric reactions
Immunosuppresion
Adrenal suppression
Glaucoma, cataracts
Skin thinning, bruising
Aggravated epilepsy, schizophrenia
Growth destruction
Cushing’s syndrome
What are the counselling points for glucocorticoids?
Take with or after food
Report psychiatric reactions e.g. paranoia/depression immediately
Avoid close contact with chickenpox or shingles (currently taking and stopped < 3 months)
Avoid exposure to measles and seek immediate medical advice if exposed
Avoid abrupt withdrawal if use > 3 weeks
Mention if taken steroids in less than a year during any treatment for illness or injury
Report blurred vision and visual disturbances