skin drugs Flashcards
layers of the skin
epidermis, dermis, subcutaneous
topical treatments
affect area they are applied to, applied to surface of skin
systemic treatments
effect various parts of the body systemically
topical drugs are absorbed through…
stratum corneum, hair follicle, sweat or sebaceous glands
other methods of skin treatment
therapeutic bathing, medicated shampoos
what could happen is medicated shampoo is not thoroughly rinsed off?
hotspot
topical nonsteroidal antipruritics (temporary)
local anesthetics such as lidocaine, tetracaine, benzocaine, and pramoxine
soothing agents (lasts a few days)
oatmeal has soothing and anti inflammatory effects
antihistamines
products containing diphenhydramine can calm pain and itching due to allergic reactions
topical corticosteroids
hydrocortisone, fluocinolone, triamcinolone, betamethasone (genesis)
seborrhea
abnormal flaking or scaling of the skin (seborrhea sicca) may be accompanied by increased oil production (seborrhea oleasa)
keratolytics
antiseborrheic, remove excess keratin and loosen outer layers of epidermis, breaks down protein layer of keratin
sulfur
keratolytic, antipruritic, antibacterial, antifungal, antiparasitic (may have foul odor)
salicylic acid
keratolytic, antipruritic, and antibacterial (safe for cats)
coal tar
keratolytic, degreaser (potentially irritating and may stain)
benzoyl peroxide
keratolytic, antipruritic, antibacterial, degreasing (follicle flusher for demodex)
selenium sulfide
keratolytic, degreasing, and antifungal (dry eczema, do not use on cats)
astringents
constrict tissues
antiseptics
inhibit or kill microbes on living tissue (alcohol, propylene glycol, chlorahex)
soaks and dressings
substances that pull out fluid or relieve itching
counterirritants
produce irritation and inflammation in areas of chronic inflammation which increases blood supply (common in horses)
caustics
causes tissue damage, used for proud flesh, skin tags