Prescribing section Flashcards

1
Q

What is an enzyme inducer

A

Increase CYP450 activity
faster metabolism
decreased therapeutic effect

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Give examples of enzyme inducers

A

PC BRAS
Phenytoin
Carbamazepine
Barbituates
Rifampicin
Alcohol - chronic excess
Sulphonyureas
St Johns wart
Smoking
Topiramate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is an enzyme inhibitor

A

Decreases activity of enzyme
decreased metabolism
remains active for longer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Give examples of enzyme inhibitors

A

AO DEVICES
Allopurinol / Amiodarone
Omeprazole
Disulfiram
Erythromycin
Valproate
Isoniazid
Ciprofloxacin
Ethanol - Acute
Sulphonamides
Grapefruit juice
SSRI/SNRI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What medications should be stopped prior to surgery

A

I LACK OP
Insulin
Lithium - day before
Anticoagulants/platelets
COCP / HRT - 4 weeks before
K+ sparing diuretics
Oral hypoglycaemics
Perindropil - And other ACEi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What can carbamazepine cause

A

Hyponatraemia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

when should steroid be prescribed

A

Morning - prevent sleep

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

when should brand names of drugs be used

A

Insulin
Anti-epilleptics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What shoudl be prescribed for a patient in DKA

A

Fluids - 1L 0.9% NaCl over 1 hour
Stat if hypotensive

Insulin - Fixed rate
0.1units/kg/hr

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

How does trimethorpim affect renal function

A

Falsely causes rise in Creatnine –> AKI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is gentamicin prescribing based on

A

Ideal body weight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is a risk of prescribing quinolones

A

tendon damage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Name an adverse effect of co-amoxiclav

A

Increased risk of cholestasis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Name 2 adverse reactions assosciated with ciclosporin

A

gungival hypetrophy
nephrotoxicity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Name 2 adverse reactions associated with tacrolimus

A

Cardiomyopathy
peripheral neuropathy
DM
Pancytopenia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Name 2 adverse reactions assosciated with Mycophenelate

A

GI upset
Myelosuppresion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Name adverse effects of steroids

A

CORTIOSTEROID
Cushings syndrome
Osteoperosis
Retardation of growth
Thin skin / easy bruising
Immunosupression
Cataracts
Oedema
Stomach ulcers
Teratogenic
Emotional - psychosis
Rise in BP
Obesity
Increased hair growth
DM
Striae

18
Q

Name anticholinergic side effects

A

Cant shit, cant spit, cant see, cant pee
Blurred vision
cosntipation
dry mouth
urinary retention

19
Q

Name anti-muscarinic side effects

A

confusion
dialted pupil
loss of accommodation
dry mouth
tachycardia

20
Q

What drugs should be stopped in an AKI

A

DAMN
Diuretics
ACEi
Metformin
NSAIDs

21
Q

Describe the management of hypoglycaemia

A

Conscious - oral glucose

Unconscious
- IM glucagon

Unresponsive to IM or prolonged hypo
10% IV glucose infusion

22
Q

Name 2 thin emolients

A

E45
Aveeno
Diprobase cream
Oilatum

23
Q

Name 2 thick emolients

A

Diprobase ointment
Hydromol ointment
Cetraben ointment

24
Q

Describe the topical steroid ladder

A

Hydrocortisone
Eumovate
Betnovate
Dermovate

25
When should prophylactic LMWH not be given to patients
Risk of bleeding Following acute ischaemic stroke
26
What is a contraindication to compression stockings
PAD - absent limb pulses Can lead to critical limb ischaemia
27
How many boluses can you give prior to escalation
6 - 2000mls
28
Describe what happens if Methotrexate and NSAIDs are co-prescribed
Low platelet count
29
Describe what happens if methotrexate and PPIs are co-prescribed
PPI - Enzyme inhibitor Increased level of methotrexate
30
Name drugs most likely to cause ototoxicity
Gentamicin Vancomucin Furosemide Butenamide
31
Name drugs most liekly to cause C.diff
Clindamycin Co-amox Cephalosporin Ciprofloxacin
32
How often should you change a fentanyl patch
every 3 days
33
when should an asthmatic patient seek medical help
The usual dose not preventing sx
34
what are the symptoms of hypoglycaemia
Fast heartbeat. Shaking. Sweating. Nervousness or anxiety. Irritability or confusion. Dizziness. Hunger.
35
What anti-depressants are licensed in anxiety
Escitalopram Sertraline Paroxetine 2nd line - Duloxetine - Venlafaxine
36
What is the max dose of escitalopram in the elderly
10mg
37
When are steroid prescribed
Morning
38
When are statins prescribed
At night
39
What medications cause diarrhoea
Antibiotics PPI Laxatives Antidepressants
40
What medications cause oral thrush
Abx - Amoxicillin Inhaled ICS Immunosuppresant
41
How does an Addisonian crisis present
Reduced consciousness Hypotension Hypoglycaemia hyponatraemia hyperkaemia