Module 9 Flashcards
Side effects associated with topical glucocorticoids used for acne include (choose all that apply):
a) thinning of skin
b) hypotrichosis (hair loss)
c) telangiecasia (spider veins)
d) diarrhea
e) local irritation
Answer: a) thinning of skin and c)telangiecasia
Other side effects include: stretch marks, purpura, hypertrichosis (hair growth), and possible systemic toxicity (adrenal suppression, growth retardation)
Systemic side effects seen with glucocorticoid use in acne include:
a) hypotension
b) blood dyscrasias
c) growth retardation
d) hepatotoxicity
Answer: c) growth retardation
Growth retardation can be seen in kids. Other systemic SE include adrenal suppression. These are seen more with higher doses/long-term treatment.
First line topical acne treatment is ______ and second line topical acne treatment is ________.
Answer:
1st line topical: benzoyl peroxide
2nd line topical: antibiotics (Clindamycin and erythromycin)
Most topical agents for acne are targeting what organism?
P. acnes
What is the MOA of benzoyl peroxide (choose all that apply)
a) kills bacteria
b) creates a barrier which decreases the environment suitable for bacterial proliferation
c) keratolytic
d) dries the skin which decreases nutrients needed for P. acnes
e) reduces inflammation
Answer: a) kills bacteria & c) keratolytic (thins/softens the skin)
True or false, monotherapy with Clindamycin or Erythromycin can increase resistance in P. acnes?
True. These are usually combined with benzoyl peroxide to decrease the resistance.
What is the MOA of retinoids?
a) kills bacteria
b) creates a barrier which decreases the environment suitable for bacterial proliferation
c) keratolytic
d) dries the skin which decreases nutrients needed for P. acnes
e) reduces inflammation
Answer: e) reduces inflammation
Retinoids also unplug comedones and prevent new; they will improve the penetration of other topical agents
Which of the following statements are inaccurate regarding retinoids?
a) sunscreen must be used while using these drugs
b) can make acne worse initially
c) can be used without regard to pregnancy
d) irritation can last up to 4 weeks
e) require a pregnancy test before initiation
Answer: c & e
Retinoids CANNOT be used in pregnancy but they do not require a pregnancy test before treatment initiation.
Which retinoid can not only be used for acne & wrinkles, but can also be used for psoriasis?
a) tretinoin
b) adapalene (Differin)
c) tazarotene (Avage/Tazorac)
d) retinoid acid
Answer: c) tazarotene (Avage/Tazorac)
Azelaic acid (Azelex/Finacea) can be used to treat (choose all that apply):
a) hormonal acne
b) psoriasis
c) acne
d) actinic keratosis
e) rosacea
Answer: c)acne and e)rosacea
It works by suppressing P. acnes and decreasing keratinocytes (thins skin)
Keratolytic drugs work by _____.
Decreasing keratinocytes which thin the skin. Drugs used in this group include azelaic acid (Azelex/Finacea) and salicylic acid.
Which oral antibiotics used for acne has resistance been associated with (choose all that apply)?
a) doxycycline
b) clindamycin
c) tetracycline
d) erythromycin
Answer: c) tetracycline & d)erythromycin
They can be used orally but are not first line due to the emergence of resistance.
If a patient needs oral antibiotics for acne but cannot take tetracycline, what is a suitable alternative?
a) pencillin
b) ciprofloxacin
c) azithromycin
d) metronizadole
Answer: c) azithromycin
Remember that oral tetracycline and erythromycin are 2nd line oral options due to resistance seen in these drugs used for acne treatment.
Which drug requires the iPledge agreement?
a) retinoids
b) isotretinoin
c) denosumab
d) permethrin
Answer: b)isotretinoin
This agreement is between the pharmacist, provider, and patient due the severe side effect profile this drug carries.
What drugs can increase the adverse effects of isotretinoin (choose all that apply)?
a) warfarin
b) vitamin A
c) amoxicillin
d) theophylline
e) tetracyclines
Answer: b) vitamin A and e)tetracyclines
Which is not an adverse effect of isotretinoin (choose all that apply)?
a) photosensitivity
b) depression
c) bone fractures
d) impaired hearing
e) hepatitis
Answer: e) hepatitis
Other severe SE: pancreatitis, elevated triglycerides, teratogen
Which is not a mild SE of of isotretinoin (choose all that apply)?
a) hair loss
b) headache
c) ocular inflammation
d) constipation
e) nosebleeds
Answer: d) constipation
Other mild SE include: drying, rash, skin peeling
True or false, when combination oral contraceptives are used for acne, the benefits are derived from the progestin?
False. Benefits are derived from the estrogen.
Hormonal options for acne control include (choose all that apply):
a) combination OCs
b) IUD
c) spironolactone
d) Depot injections
Answer: a) combination OCs (ortho tri-cyclen, YAZ, Beyaz, estrostep) & c) spironolactone (used if OC inadequate)
Side effects of spironolactone include (choose all that apply):
a) hyperkalemia
b) teratogen
c) depression
d) lymphoma
Ansewr: a) hyperkalemia and b)teratogen
Other SE: menstrual irregularities and breast tenderness
Suncreens provide protection from UVA or UVB primarily?
Answer: UVB
UVB is responsible for tanning/sunburn even though UVA penetrates deeper
Broad spectrum sunscreen covers UVA & UVB but must contain what ingredient in order to achieve this?
a) titanium oxide
b) dapsone
c) avobenzone
d) zinc
Answer: c) avobenzone
Which medication does not increase photosensitivity?
a) aldendronate
b) TCA
c) sulfonamides
d) phenothiazine
Answer: a) aldendronate (Fosamax)
Drugs which increase photosensitivity include: TCA, sulfonamides, sulfonylureas, phenothiazine, TETRACYCLINE, FLUOROQUINOLONES
Organic sunscreens are _____ (physical/chemical) barriers, whereas inorganic sunscreens are ______ (physical/chemical) barriers.
Organic=chemical barrier
Inorganic=physical barrier (zinc and titanium oxide)
SPF indicates the amount of protection against _____(UVA/UVB)?
Answer: UVB
SPF is the amount of protection against UVB
Dapsone (Aczone) can be used to modestly improve acne and can also be used in what other diagnosis?
a) Paget’s
b) veneral warts
c) leprosy
d) actinic keratosis
Answer: c) leprosy
The MOA of Dapsone is unknown.
First line treatment of psoriasis would be:
a) vitamin A derivatives
b) vitamin D analogs
c) ointment
d) topical glucocorticoids
Answer: d) topical glucocorticoids
They are anti-inflammatory. Note that moderate-to-high strength needed due to plaque resistance to steroids.