Literally Everything part 2 Flashcards
True of False
Fentanyl patches should only be used in opioid tolerant patient
TRUE
Not suitable for acute pain or in patients whose analgesic requirements are changing rapidly
Risk of fatal respiratory depression in opioid naive patients
True or False
Buprenorphine is only licensed as an adjunct in the treatment of opioid dependence
False
Licensed for pre-medication | intraoperative analgesia | and moderate to severe pain
ACEi and diabetes
May have a specific role in the management of diabetic nephropathy
Therefore ACEi are particularly indicated for hypertension in Type 1 diabetes with nephropathy
You receive a bottle of Methadose 10 mg/ml. The prescription reads 20 ml Methadone daily.
Using a conical measure you pour out 20 mls of Methadose.
Why is this wrong?
Methadose is a concentrate and contains 10 mg/ml of methadone
Therefore needs to be diluted with Methadose diluent before dispensing
Amitriptyline for post herpic neuralgia counselling points
Take at night
Side effects: Drowsiness | Dry mouth | Blurred vision | Constipation | urinary retention | sweating
Don’t stop taking as side effects decrease after some time
Alcohol increases sedative effect
Not licensed so not mentioned in the PIL
If it doesn’t relieve pain in 1 week see GP
70 year old man
Aciclovir 800 mg tabs
1 tablet 5 times a day for 7 days
Has a very painful rash.
Name the condition
Post herpetic neuralgia
Peripheral nerve damage following acute herpes zoster infection => shingles
Care for a feverish child
Encourage fluid Only give food if they want it Watch out for: - dry mouth - no tears - sunken eyes (Signs of dehydration)
Check on child at night from time to time
Avoid too many clothes
Keep them out of school
What is a fever in children <5?
Temperature 38*C or above
Piperazine
Indication
Used to treat threadworms
Does not kill the worms directly, paralyses and dislodges them to be passed out in the stools
In order to ensure complete removal come contain senna
For 3 months +
Avoid in pregnancy
Children should take OM. Adults ON.
Mebendazole
Treatment of threadworms
Stops the worms from absorbing glucose therefore kills the worms.
For 2 years +
Avoid in pregnancy
Single tablet/5 ml spoonful
Repeated after 14 days
Side effects: abdominal pain | diarrhoea | rash
Threadworms treatment counselling points
Recommend for all family members as it is highly contagious.
Dose repeated after 14 days to ensure any eggs that have matured since first dose are eradicated
Personal prevention for Tapeworm
Wear close fitting underwear at night and change them every morning in the bath/shower
Wear cotton gloves at night to avoid collecting the eggs when scratching
Have a bath/shower every morning and wash around the anus to remove any eggs laid by the worm at night
Don’t bite or suck on nails
Don’t share towels
Wash between the nails in the morning and after using the toilet
Environmental prevention of threadworms
Eggs are highly contagious and can survive several weeks outside the body
Therefore vacuum regularly | wet dust | wash toys | change and wash clothes daily | change and wash bed linen and towels
Normal sodium levels
142 mm/L
Normal potassium levels
4.5 mm/L
Normal HCO3- levels
26 mm/L
Normal chloride levels
103 mm/L
Normal calcium levels
2.5 mm/L
Valproate and lamotrigine
INTERACTION
Valproate increases plasma concentration of lamotrigine
Treatment options for IBS
No cure Increase dietary fibre Whole meal bread/cereal Antispasmodics Antimuscarinics Muscle Relaxants
Bismuth subscalicylate
Anti-diarrhoeal agents
Slower acting than loperamide but still effective at reducing the incidence of diarrhoea
Not be given to children < 12 –> risk of Reye’s syndrome
30 ml every 30 - 60 minutes if required, up to a max of 8 doses in 24 hours
Few s/e but can cause black stools
4 examples of when a patients insulin requirements may increase
During infections | stress | accidental or surgical trauma | during puberty
Sulphonylureas can cause hypersensitivity reactions. When would such a reaction typically happen?
In the first 6 - 8 weeks of therapy
Intermediate insulin
onset
peak
Doa
Onset 1 - 2 hours
Peak 4 - 12 hours
DOA 16 - 42 hours
Sinusitis
Often accompany a cold
Pain behind the eyes
- particularly when bending
Nasal congestion and catarrh
Sore eyes and tenderness
Paracetamol dose child
4 - 5
240 mg
Every 4 - 6 hrs
Max 4 doses/day
Beta blockers toxicity
Symptoms: Lightheadedness, dizziness, bradycardia, hypotension
Treatment:
Adequate ventilation
Iv atropine( for bradycardia), if unresponsive inj glucagon in 5% glucose, if glucagon not available then iv isoprenalin
Cardiac pacemaker might be used to increase heart rate
Benzodiazepine toxicity
Symptoms: drowsiness, ataxia, dysarthria, nystagmus, occasionally respiratory depression and coma
Treatment:
Activated Charcoal (within 1 hour if patient awake and airway protected)
Flumazenil (particularly in patients with respiratory disorders)
Alcohol intoxication
Symptoms:
Ataxia, dysarthria, nystagmus, drowsiness, acidosis, hypotension and coma
Rx:
Aspiration of vomit is hazard, measures to reduce its risk
Supportive management, Maintain clear airway
Glucose given if hypoglycaemia
Activated charcoal repeated doses are used for overdosage of which drugs
Carbamazepine Dapsone Phenobarbital Quinine Theophylline
Charcoal should not be used for poisoning of which drugs
Petroleum distillates Corrosive substances Alcohol Malathion Cyanides Metal salts ( e.g lithium and iron)
Hemodialysis is required for toxicity of which drugs
Severely poisoned with any drug Ethylene glycol Lithium Methanol Phenobarbital Salicylates (alkalinisation of urine is also done) Sodium valproate
Paracetamol dose for a child
6 -7
240 - 250 mg
Every 4 - 6 hrs
Max 4 doses/day
Paracetamol dose for a neonate
28 - 32 weeks (corrected gestational age)
20mg/kg for 1 dose then 10 - 15 mg/kg every 8 - 12 hours prn
Max 30 mg/kg/day in divided doses
Note: Oral is unlicensed in < 2 months
Symptoms of Iron Poisoning
nausea Vomiting Abdominal pain Diarrohoea Haematemesis Rectal bleeding Hypotention Hepatocellular necrosis
LATER – severe acidosis
Coma, shock, metabolic acidosis
Digoxin Monitoring Requirements
Serum electrolytes (esp. Potassium)
as the possibility of digitalis toxicity is made worse by hypokalaemia
and RENAL FUNCTION
Warfarin Monitoring requirements
INR and Renal Function
Warfarin Counselling points
Take at the same time each day
Avoid major dietary changes (esp. involving salads and vegetables as it can affect the anticoagulant effect.)
Report any signs of bleeding or spontaneous bruising
Referral Criteria for Constipation
< 2 years
Pregnant
Tried treatment with no success after 5 -7 days
Large amount of blood in stools
Sudden changes in bowel habits with no obvious cause
Frail or elderly
Repeated use of laxatives
Management/suppression of Nausea and vomiting with cytotoxic drugs
Acute (N&V within 24 hrs)
- 5HT receptor antagonist may be of benefit + dexamethasone for someone with high risk emetics
Delayed (N&V > 24 hrs after)
- dexamethasone given by mouth either alone or with metoclopramide
Anticipatory (N&V prior to subsequent doses)
- Lorazepam helpful for amnesiac/sedative and anxiolytic effects
Treatment of Highly active relapsing remitting multiple sclerosis not recommended for patients with known risk of CV event she and why?
Fingolimod
- Known to cause transient bradycardia and heart block after first dose
Not recommended in certain patient groups who are high risk for cv event unless anticipated benefits outweigh the potential risk
Require cardiologist advice
Common side effects exhibited by most cytotoxic drugs
Oral mucositis Tumour lysis syndrome Hyperuricaemia Bone marrow suppression Alopecia Thromboembolism Nausea and vomiting
Remember these do not occur at the time of administration but days or weeks later
Management/ suppression of Oral Mucositis with cytotoxic drugs
REMEMBER PREVENTION IS MORE EFFECTIVE THAN TREATMENT
Good oral hygiene
- keep mouth clean and moist helps prevent mucositis
For 6 month +
- brushing teeth with a small soft brush and fluoride toothpaste 2 - 3 times a day
For < 6 months
- Oral sponge moistened with water or diluted anti-microbial solution (chlorohexidine)
Mucositis can be very painful and may require opioid analgesia
Treatment of cytotoxic induced urothedial toxicity
Mesna
Given by mouth but also IV
Injection can be given orally by placing contents of the ampule into a flavoured drink. Orange juice or cola
- can be stored in the fridge for up to 24 hrs in a sealed container
Signs of urothelial toxicity?
Haemorrhage cystitis
- blood in the urine
- bladder pain
- Irritative bladder symptoms
Results from damage to the bladders epithelium and blood vessels
Tacrolimus and grapefruit juice
INTERACTION
grapefruit juice is reported to increase the blood level of tacrolimus and should be avoided
Monitoring and tests for patients on Tacrolimus?
Initial post transplant/on a routine basis:
BP | ECG | Neurological | Visual status | Fasting blood glucose | Potassium | LFTs | renal | Haematology parameters | coagulation values | plasma protein
After initial dosing:
FBC regularly, doses adjusted accordingly
Trough concentration should be monitored closely especially during bouts of diarrhoea
How should oral Tacrolimus capsules be taken?
- Administration in 2 divided doses (morning and evening)
- Taken immediately following removal from the blister
- Swallow whole with water
- On an empty stomach 1hr before food or 2 - 3 hrs after food
- Can also be given via nasogastric tubing emptying capsule in water