LOW WEIGHTED- EYE, SKIN, EAR/NOSE/THROAT, VACCINES, ANASTHESIA Flashcards
What to do if using 2 different eye drops?
Space out with 5 min interval + longer if gel.
Apply ointments last
When to apply ointments?
Always last
What are expiry dates for eye preparation use at home?
28 DAYS
What are expiry dates for eye preparation use at HOPSITAL?
1 week
What are expiry dates for eye preparation use at surgery?
single use
What is a common preservative in eye preps?
Benzalkonium chloride
What type of lens can you use eye drops with them still in?
Hard lenses
How to put eye drops on soft lens?
Remove lens or use preservative free drops
Can I wear lenses with ointment eye drops?
No
What 2 drugs stain contacts orange?
Rifampicin
sulfasalazine
What is used for allergic conjunctivitis as a mast cell stabiliser?
Sodium cromogilate
What is used for allergic conjunctivitis as an antihistamine?
Antazoline
azelastine
What dry eye prep is applied QDS?
Carmellose
What dry eye prep is applied hourly?
Hypromellose
What drops are given for bacterial conjunctivities?
Chloramphenicol eye drops
What drug given for viral (HSV) conjunctivitis?
Aciclovir 5 times day until 3 days after healing
What drug is used for blepharitis?
Fusidic acid - staph infection
What drug is can cause steroid glaucoma + cataracts?
Topical corticosteroids
What abx is used for corneal ulcers?
Ciprofloxacin
What class of drugs used to dilate pupils in eye exams?
Mydriatics/cycloplegics
2 Examples of drug used to dilate eye during eye examinations?
Antimuscarinic e.g. atropine
phenylephrine - MAOI interaction/ risk of hypertensive crisis.
Can you drive with antimuscarinic eye drops?
No - wait till vision clear as it paralyses ciliary muscle
What is 1st line for glaucoma?
1- Prostaglandin eye drops
- BB eye drops - betaxolol
List 3 examples of Prostaglandin eye drops?
Latanoprost, travoprost, bimatoprost
What is 5 key SE for Prostaglandin eye drops?
dry eyes + ocular discomfort
Long eyelashes
Darker iris colour + hyperpigmentation of skin
What is BB eye drops contra-indicated in?
Asthma
What is 3rd line for glaucoma is BB drops don’t work?
Carbinic anhydrase inhibitor drops
e.g. brinzolomide
What carbonic anhydrase inhibitor is taken orally?
Acetazolamide
What is most common form of glaucoma and why does it occur?
Open angle - limited drainage of aqueous humour through trabecular meshwork causing occular HTN
What type of glaucoma is an emergency?
Closed-angle glaucoma
What are 6 symptoms of Closed-angle glaucoma?
Cloudy eye, N + V, headache, pain, blurred hazy vision, rainbow coloured ring around eyes
What are 3 ear conditions?
Otitis media
otitis externa
ear wax removal
What is 1st line tx for otitis media?
Amoxicillin (5 days)
What is 2nd line tx for otitis media if worsening after 2-3 days tx?
Co-amoxicillin
What is 1st line tx for otitis externa?
acetic acid 2%
What is 2nd line tx for otitis externa?
Neomycin with corticosteroid
What is tx for otitis externa if systemic tx needed??
Flucloxicilin
What tx is given for nasal rhinitis?
Sodium chloride, Antihistamines, steroids
How long to use nasal steroids?
Max 7 days - due to rebound congestion risk
What is tx for nasal polyps?
Nasal steroids - review by specialist initially
What is 1st line for Nasal staphylococci
?
Naseptin e.g. chlorhexidine with neomycin cream (Naseptin®)
OR
Mupirocin
What are scabies symptoms?
red spots with silver lines - webbing of fingers and toes.
What is 1st line for scabies?
Permethrin or Malathion- twice- 1 week apart
Treat all members of family
How to apply Malathion or permethrin for scabies?
Scalp , neck , face, ears
Leave for 8 hrs
What is mechanical method of removing headlice?
Wet combing - 30 mins every 4 days until no lice found for 3 consecutive sessions.
What is minimum time to do wet combing?
2 weeks
What is 1st line headlice tx?
Dimeticone - apply for 8 hrs to dry + repeat after 7 days.
What is 2ND line headlice tx?
Malathion - apply to dry for 12 hrs + repeat after 7 days
When to avoid malathion?
Severe eczema due to alcohol amount.
why is benzoate + permethrin not used for headlice anymore?
less effective + not for children (benzoate) + formulations hard to use.