Mood Stabilising Drugs Flashcards
what is lithium used in
bipolar disorder to prevent replapses
what needs to be monitored on a patient on lithium
U+Es every month
Thyroid function every 6-12 months
creatine clearance every 12 months
mneumonic for remembering lithium side effects
LITHIVM
Leukocytosis diabetes insipidus Tremor Hypothyroidism Increased weight Vomiting Miscellaneous (dry mouth/polyuria)
toxic side effects of lithium
confusion drowsiness convulsions slurred speech ataxia vomiting + diarrhoea
ECG changes in lithium toxicity
T wave flattening or inversion
what drugs should be avoided with lithium
NSAIDs
ACEI
Diuretics
contraindications of lithium
pregnancy breast feeding impaired renal function thyroid disease cardiac conditions neurological conditions (such as Parkinson's)
examples of anti-convulsants
sodium valproate
lamotrigine
carbamazepine
what is sodium valproate often used to treat
mania
mechanism of action of sodium valproate
increases GABA
side effect of sodium valproate use in pregnancy
neural tube defects
side effects of sodium valproate
VALPROATE
Vomiting Alopecia / Ataxia Liver toxicity Pancreatitis / Pancytopenia Retain fat (increase weight) Odema Appetite increase Tremor Encephalopathy
what is lamotrigine used for
bipolar depression
mechanism of action of lamotrigine
blocks sodium channels- decreases glutamate release
side effects of lamotrigine
GI upset, insomnia, dizziness, diplopia, ataxia, steven Jonson syndrome
what do you need to be careful of with carbamazepine
AGRANULOCYTOSIS
side effects of carbamazepine
N+V
ataxia, dizziness, slurred speech, diplopia
raised liver enzymes – hepatic toxicity.
P450 inhibitor
hyponatremia – fluid retention. SIADH
AGRANULOCYTOSIS
Mode of action of anti-psychotics
block dopamine receptors