GP Flashcards
(91 cards)
What are the main causes of acne vulgaris?
Increased sebum production
Bacterial colonisation (propionibacterium/cutibarium acnes)
Inflammatory mediators
Name 4 risk factors for acne vulgaris
Hormonal shifts-puberty/pcos
Meds-steroids, antiepileptics
High glycaemic index foods
Chemical exposure
Where is acne most common? + what is seen in girls?
Face, chest, upper back, gets worse cyclically in girls
What kind of spots characterise acne?
Pustules, papules, comedones
Name 2 lifestyle changes for acne
Less sugary foods
Avoid cosmetics that clog pores - comedogenic e.g. cocoa butter, coconut oil
Name a differential of acne vulgaris
Acne rosacea (affects older women, general redness, occasional telangiectasias)
Name 2 topical therapies for acne
Salicylic acid (keratolytic-unblocks pores)
Topical retinoids (inhibit sebum) - teratogenic
Benzoyl peroxide (antibac gel/wash)
Name 2 system therapies for acne
Oral contraceptive pill
Spironolactone-women only, contraindicated in pregnancy
What can you give for moderate acne?
Abx e.g. doxycycline + erythromycin - used for anti-inflammatory properties, not anti-bac effects
What can you give for moderate-severe acne?
Isotretinoin-systemic retinoid-particularly indicated if acne is persistent, Tx-resistant/cystic/scarring
What is acute bronchitis?
Short-term bronchial inflammation aka chest cold
What are the symptoms of acute bronchitis?
Cough +/- mucus
SOB
Fever
Sore throat
Runny nose
Headache
Name 3 causes of acute bronchitis
Viral
Bacterial
Dust/allergens/fumes
Tx for acute bronchitis?
Rest, fluids, OTC paracetamol/ibuprofen
Honey
Abx only if bacterial cause
Normally self-resolves within 3wks
What is an acute stress reaction (ASR)?
Symptoms experienced after a stressful event e.g. accident, sudden bereavement, assault/violence
Usually resolves within 2-3 days
Name 5 common symptoms of an acute stress reaction
Physcological e.g. anxiety, poor sleep, irritability
Recurrent dreams/flashbacks
Self destructive reckless/aggressive behaviour
Feeling numb
Palpitations, nausea, chest pain, SOB
What causes the symptoms in an ASR
Release of adrenaline/epinephrine into bloodstream + overactivity of nervous impulses
Tx for ASR?
None, just general support-normally self-resolves but if 1mth + then becomes acute stress disorder (ASD) + may need counselling/CBT/beta-blocker
What is an allergy?
An inappropriate immune response to harmless substances
What is anaphylaxis?
Severe systemic hypersensitivity reaction, rapid onset, potentially fatal
How do allergies cause symptoms?
IgE-mediated reaction-mast cells degranulation releases histamine = vasodilation, smooth muscle contraction + mucus secretion
Name 4 symptoms of a severe allergic reaction
Stridor/throat closing
Wheeze
Skin changes e.g. urticaria
Tachycardia
How do you manage an anaphylactic reaction?
ABCDE
IM adrenaline 0.5ml
IV fluids
Remove trigger
Name 3 differentials for anaphylaxis
Foreign body aspiration
PE
Panic attack