Drugs causing electrolyte changes

Question 1

Hypokalaemia

5

Answer 1

Thiazide & related diuretics
Loop diuretics (e.g. furosemide)
Beta 2 agonists (e.g. salbutamol)
Insulin

Question 2

Hyperkalemia

6

Answer 2

K sparing diuretics (e.g. amiloride)
Aldosterone ag (e.g. spironolactone)
ACEi
NSAIDs
Heparin

Question 3

Hypomagnesaemia

4

Answer 3

Thiazide and related diuretics
Loop diuretics (e.g. furosemide)
Digoxin
Aminoglycasides (e.g. gent)

Question 4

Hypermagnesaemia

2

Answer 4

Antacids

Mg supplements

Question 5

Hyponatraemia

4

Answer 5

Thiazide and related diuretics
Loop diuretics (e.g. furosemide)
SSRIs
Vasopressin

Question 6

Hypernatraemia

5

Answer 6

Na supplements (e.g. hypertonic saline)
Lithium
Tetracyclines
Amphoteracin
Formulations containing Na (effervesent, IV benzylpen)

Question 7

Hypocalcaemia (2)

Answer 7

Calcitoin

Bisphosphnates

Question 8

Hypercalcaemia (4)

Answer 8

Thiazide and related diuretics
Vit D analogues
Lithium
Vitamin A