OTC: General Flashcards
3 types of conjunctivitis?
Bacterial: OE then BE, Sticky purulent discharge, gritty feeling
Viral: BE due to cold/flu, Watery eyes with redness and gritty feeling - self limiting or aciclovir POM
Allergic: BE, watery, red, itchy- due to hayfever/pollen
Referral criteria for conjunctivitis?
- Closed angle closure glaucoma symptoms (n/v, blurred/hazy vision, rainbow rings, photophobia, intense eye pain and headache): can cause blindness
- Previous laser /surgery within 6 months
- Eye inflammation with rash on face
- Foreign body in the eye
- Eye/head trauma
- Keratitis (esp with contact lens)
Immediate referral in those with conjunctivitis (3)?
Glaucoma symptoms
- Sudden severe eye pain
- N/V
- Cloudy eye
- blurred/halo vision
- headache
Keratitis (corneal ulcers)
- severe eye pain, loss of vision, photophobia, redness around eyes
Uveitis
- irregular pupil shape with no response to light and photophobia
OTC treatment for conjunctivits
1) Chloramphenicol eye drops or oint: 2yrs +
2) Brolene: propamidine isoetionate
Refer if no improvement in 48hrs
Chloramphenicol eye drops dosage OTC?
1-2 drops every 2 hrs for 1st two days whilst awake
then every 4hrs next 3 days ( 5 day course)
Fridge
Chloramphenicol eye ointment dosage OTC?
TDS/QDS
Contraindications for chloramphenicol?
Myelosuppression
Blood dyscrasia
Conjunctitivits lifestyle advice?
Wash hands before and after use Dispose tissue after use Avoid sharing pillows Bathe eyelids No lens before or 24hrs after use
What causes vaginal thrush?
Candida albicans
Symptoms of vaginal thrush?
Itching and sore
Cottage-cheese like discharge (cream and curd like)
No smell
Pain during sex
Stinging skin when urinating due to scratching
OTC referral ages for thrush?
<16yrs
>60yrs
OTC failure >7days
Recurrent attacks (>2 episodes within 6 months - underlying cause)
OTC referral criteria for thrush?
<16yrs
>60yrs
OTC failure >7days
- Recurrent attacks (>2 episodes within 6 months - underlying cause)
- Smell and colour: grey, watery, fishy - BV
- Yellow/green, frothy, foul - vaginal trichomoniasis
- Vag spotting, abd. pain, dysuria - gonnorrhoea/chlamydia
- sores ulcers blisters - herpes
- STI (inform partner)
- Vaginal bleeding - cancer?
- Med ADR? antibiotics, SGLT2 inhibitors (gliflozins)
- Pregnant/diabetic/immunocompromised
Treatment options OTC for thrush?
Fluconazole 150mg STAT PO: 12-24hrs for symptom relief - treat systemically
Clotrimazole pessary/cream - internal/external (pessary at night, immediate relief)
Which OTC formulation would not be suitable for pregnant women?
Antifungal cream with applicator
Lifestyle advice for vulvovaginal thrush?
Cotton underwear Wipe front to back Avoid soap/douching Change clothes and wash after physical activity Refrain from sex due to spread moisturise with emollient
How would you treat severe infection of candidiasis?
Either two doses of oral fluconazole 150 mg (taken 3 days apart) or, if oral treatment is contraindicated, two doses of clotrimazole 500 mg vaginal pessary (used 3 days apart).
How would you treat candidiasis in pregnancy?
Intravaginal clotrimazole or miconazole should be prescribed for at least 7 days.
Oral antifungals should not be used.
What drugs can antifungals used for candidiasis interact with?
Anticoagulants like warfarin as antifungals are enzyme inhibitors CYP 3A4, CYP 2CP
Statins, CCBs, Phenytoin
Tacrolimus/Sarolimus: increased levels
What can EHC be used for?
Unprotected sex
Contraceptive failure
Advance supply e.g. going on holiday
Referral criteria for EHC?
- Severe liver impairment
- unprotected sex >5days: needs copper IUD
- Period changes: late/light/heavy
- Interacting medicines: enzyme inducers (carbamazepine, phenytoin, rifampicin, st johns wart, griseofulvin) - needs double dose but unlicensed OTC
What are the two EHC options?
Levonorgestrel - 3 days, 72hrs (16+)
Ulipristal - 5 days, 120hrs (No age)
Which EHC can you take more than once in the same cycle?
Levonorgestrel - can
Ulipristal - contra indicated
EHC should be avoided in?
Severe liver impairment
Ectopic pregnancy risk
Chrons disease
Asthma treated with steroids
Which EHC has to be stopped in breastfeeding?
Levonorgestrel OK avoid nurding 8hrs
Ulipristal - Not recommended for 1 week