DD Topical Therapeutics in Derm Flashcards
Vehicle in dermatology
the substance in which the active ingredient is sitting in/delivered in
What type of application/vehicle causes less allergy/sensitization?
Ointment
Ointments
Water in oil emulsion
Creams
Oil in water emulsion
Gels
Semisolid emulsion in alcohol base
Lotions/Solutions
Powder in water
Foams
Pressurized collections of gaseous bubbles in a matrix of liquid film
Potency of: Ointments Creams Gels Lotions/solns
Ointments - strong
Creams - moderate
Gels - strong
Lotions/solns - low
1 gram of cream covers ________
1 gram of cream covers a 10cm x 10cm area of skin
-The rule of 10s
1 gram of ointment goes ____ further than 1 gram of cream.
10%
-The rule of 10s
FTU
• 1 FTU = 0.5 g
covers palm and back of hand.
or two palms
Hydrocortisone
2.5% "The Gentle Touch" • Class 7, lowest potency • Mild eczema in children • Good for face, intertriginous areas or groin
Hydrocortisone adverse effects
- Skin atrophy with long-term use
- Telangiectasia:
- Striae formation: (stretch marks)
Triamcinolone Acetonide
0.1% cream or ointment”The Almost All-Purpose Weapon”
• Class 4 - mid potency
• Available in many many sizes
• Effective against moderate spongiotic dermatoses
• Eczematous dermatitis, atopic dermatitis, allergic contact dermatitis, arthropod bites, id reactions, drug reactions
• Good for trunk and extremities
Triamcinolone Acetonide adverse effects
- Long-term use is bad for facial, intertriginous and groin areas
- Leads to atrophy
- Steroid-induced rosacea