W10 External formulations Flashcards
What is the Choose Pharmacy Common Ailments Service?
Free NHS service that patients in Wales can access for advice and treatment of 26 conditions:
*Acne
* Athletes foot
* Backache (acute)
* Chickenpox
* Cold sores
* Colic
* Conjunctivitis (bacterial)
* Constipation
* Dermatitis (acute)
* Nappy rash
* Oral thrush
* Scabies
* Sore throat/tonsillitis
* Teething
* Threadworm
* Vaginal thrush
* Verruca
* Diarrhoea
* Dry eye
* Haemorrhoids
* Hayfever
* Head Lice
* Indigestion/reflux
* Ingrowing toenail
* Intertrigo/ringworm
* Mouth ulcers
Give some examples of external/topical conditions?
Acne, Athlete’s foot, Chicken pox, Cold sores, Dermatitis, Dry eye, Head lice, Ringworm/Intertrigo, Mouth ulcers, Nappy rash, Oral thrush, Scabies, Sore throat, Teething, Threadworm, Vaginal thrush, Verruca
Ringworm
Symptoms?
Appearance?
Treatment?
Main symptoms: Rash
- Red, silver or darker than
surrounding skin
- Scaly, dry, swollen or itchy
- Appear anywhere on the body, including the scalp (tinea capitis) and groin (jock itch)
- Terbinafine
- Lamisil AT 1% gel, Lamisil Once
- Fungicidal
- Binds to keratin – prevents re-infection
- 1-2 weeks treatment
- 18 years only
What are the excipients in Lamisil AT 1% Gel:
(terbinafine)
Solvents: Purified water, ethanol, isopropyl myristate
Antioxidant: Butylated hydroxytoluene
Surfactants (non-ionic): Polysorbate 20, Sorbitan laurate
Viscosity-increasing agent: Carbomer
Preservative: Benzyl alcohol
pH adjuster: Sodium hydroxide
Acne vulgaris:
Main symptoms?
Treatment?
Spots, oily skin, hot/painful to touch
Benzoyl peroxide (Acneside gel)
What are the 6 main types of spot?
Blackheads
Whiteheads
Papules
Pustules
Nodules
Cysts
What is acneside gel used for?
- Antibacterial & removes dead skin cells
- Start on lower strengths
- Irritation, burning, bleach clothing
- Over 12 years old
- Pregnancy suitable
What are the excipients of acneside gel?
Solvents: Purified water, Propylene glycol, Glycerol
Surfactants: Docusate sodium (anionic), Poloxamer (non-ionic)
Viscosity-increasing agents: * Acrylates copolymer or glycerol microsponge, Colloidal anhydrous silica, Carbomer
pH adjuster: Sodium hydroxide
Complexing agent: Disodium edetate
Polysorbate 20 is a_____ surfactant:
Non-ionic
What can be used to treat anti fungal disorders?
Terbinafine or Lamisil
Eczema
Main symptoms: Skin becoming
itchy, dry, cracked and sore
Some have small patches of dry skin,
others may experience widespread inflamed
skin all over the body
Inflamed skin can become red on
lighter skin, and darker brown, purple
or grey on darker skin
Head lice
Symptoms?
Treatment?
Main symptoms: itchy, like
something is moving in your hair
Small insects, up to 3 mm long
Head lice eggs (nits) are brown or white
(empty shells) and attached to the hair
The only way to be sure
someone has head lice
is by finding live lice, by
combing their hair with
a special fine-toothed
comb (detection comb
Dimeticone 4% lotion
* Hedrin
* Left on hair for a minimum of 8 hours or overnight
* Repeat after 7 days
Hedrin ingredients
*Cyclomethicone 5 as the only excipient
The higher the HLB the more..
Hydrophilic the surfactant is
What is acneside gel used for?
- Antibacterial & removes dead skin cells
- Start on lower strengths
- Irritation, burning, bleach clothing
- Over 12 years old
- Pregnancy suitable
