METFORMIN Flashcards

1
Q

HOW DOES METFORMIN WORK?

do you need pancreatic function?

A

decreases glycogenesis and increases utilisation of glucose- need insulin present aka residual pancreatic function

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2
Q

what to do in renal impairment?

A

if <30ml/min stop due to the risk of diabetic ketoacidosis

dose reduction in mild impairment

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3
Q

who should not receive this medication?

A
acute metabolic acidosis 
risk factors for lactic acidosis 
CHF
stop if dehydrated 
avoid in conditions which worsen renal function or cause tissue hypoxia 
hepatic impairment if hypoxia is likely
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4
Q

adverse effects?

A

GI DISORDERS v common

abdopain, skin reactions, lactic acidosis, hepatitis

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5
Q

how can you reduce the risk of GI side effects?

A

titrate dose

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6
Q

can you use in pregnancy?

A

yes for gestational diabetes, discontinue after birth

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7
Q

monitoring requirements?

A

renal function before treatment then annually

twice a year if risk factors for renal impairment

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