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113 Cards in this Set
- Front
- Back
Primary bacteria associated with acne?
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Propionibacterium acnes
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Small, pale nodule in acne just beneath skin surface that is a precursor to other lesions?
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Closed comedo (whitehead)
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Protrusion of keratin/sebum plug that also contains melanin?
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Open comedo (blackhead)
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Mechanism through which Propionibacterium cause acne vulgaris?
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Secretion of chemicals that break down the wall of the pore, spilling bacteria such as Staphylococcus aureus into the skin and forming an acne lesion (folliculitis).
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Papule?
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Small, red acne lesion.
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Pustule?
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Inflamed whitehead.
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Deep-seated, large, pus-filled and painful acne lesions>
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Nodule/Cyst
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Pneumonic for PIMPLE?
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Phenytoin
Isoniazid Moisturizers Phenobarbital Lithium Ethionamide Steroids |
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Non-inflammatory acne is marked by?
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Open and closed comedones.
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Inflammatory acne is marked by?
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Papules
Pustules Nodules Cysts – cystic acne |
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Mild acne classification?
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Comedomes with <10 papules/ pustules confined to one area.
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Moderate acne classification?
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10-40 comedomes or 10-40 papules/ pustules involving the face and trunk.
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Moderately severe acne classification?
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40-100 comedomes or 40-100 papules/ pustules and <5 nodular lesions involving the face, chest and back.
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When to refer to a physician for acne treatment?
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Moderate to severe cases or evidence of papules, pustules, nodules, cysts, scarring or potential for scarring or
exacerbating factors or possible rosacea |
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Non-Pharmacological Acne Treatments?
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-GENTLY wash affected areas twice daily
-Gentle, Soap-free Cleansers -Minimize exacerbating factors |
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Pharmacological Treatment Strategies for Acne?
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-Unblock pilosebaceous ducts
-Decrease sebum production -Change sebum composition by decreasing bacteria |
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Most drying topical acne treatments?
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Gels
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Least drying topical acne treatments?
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Creams
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How long should a trial with benzoyl peroxide products last prior to trying other treatments?
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6-8 weeks, but response can be seen in as little as 5 days.
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Triaz?
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Benzoyl peroxide face Wash 9%, cleaning pads (6%)
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Neutrogena Clear Pore Cleanser?
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3.5% benzoyl peroxide
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Clearasil Vanishing Acne Treatment?
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10% benzoyl peroxide
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Proactiv Repairing Lotion?
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2.5% benzoyl peroxide
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Neutrogena On-the-Spot Acne Treatment?
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2.5% benzoyl peroxide
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Azelex, Finacea?
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Azelaic acid: Topical treatment for mild-moderate acne and inflammatory papules.
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Mechanism of action of azelaic acid?
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Unknown. Possibly antimicrobial and/or antioxidant.
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Apparent activity of azelaic acid?
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Comedolytic, anti-inflammatory, antibacterial
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Side effects of azelaic acid?
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Ttransient mild erythema, burning and pruritus. May cause hypo-pigmentation
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Salicylic Acid products are used for which acne classification?
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Mild acne.
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Which OTC acne products contain salicylic acid?
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-Clearasil Overnight Acne Defense Gel 2%
-Neutrogena Clear Body Wash 2% |
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MOA of Salicylic acid products for acne?
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Mildly comedolytic, surface keratolytic.
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Acne products containing a combination of 3-8% sulfur and 2% resorcinol are?
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Keratolytic
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Acnomel Cream?
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-Sulfur 8%, Resorcinol 2%
-(Acne Lotion 10) Sulfur 10% QD-TID |
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Alternative medicine acne products?
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-Tea tree (Melaleuca alternifolia) oil products
-Supplemental oral zinc product – Zinc gluconate 200mg qd-bid |
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Primary treatment and preventative agent for moderate, mod/severe, and even mild acne when benzoyl peroxide fails?
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Topical retinoids
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Tretinoin product for hyperpigmentation and wrinkles ?
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Renova
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Acne vulgaris is a disease of the?
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pilosebaceous unit
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Adult acne is more prevalent in males or females?
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Females
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Inflammatory acne lesions are?
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Papules, pustules and nodules.
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Adult acne is more common on the?
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Jaws and chin
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Increased sebum in acne is primarily due to?
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Androgen excess
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What is the cause of increased sebum production in acne?
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Hormonal imbalances
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What causes the pilosebaceous unit to become clogged in acne?
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Abnormal follicular keratinaztion
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Benzoyl peroxide products are recommended in combination with topical retinoids for moderate to severe acne, but not with oral retinoids. Why?
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Oral retinoids are especially drying
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When should Azelaic acid be used for acne?
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-for mild acne when the pt. cannot tolerate benzoyl peroxide
-in moderate to severe acne in combination with topical and/or oral antibiotics or topical retinoids |
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Which acne treatment causes sloughing?
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Salicylic Acid products
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Name 2 salicylic acid products for acne.
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-Clearasil Overnight Acne Defense Gel 2%
-Neutrogena Clear Body Wash 2% |
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Corticosteroid used for intra-lesional injection in acne?
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Triamcinalone
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Primary treatment and preventative agent for moderate, mod/severe, and even mild acne?
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Topical Retinoids
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Maintenance therapy dosing for topical retinoids?
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Lowest effective concentration at the maximum effective interval.
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Available concentrations of Retin-A.
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0.025-0.1%
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Pregnancy category of topical retinoids?
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Pregnancy Category C
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A common regimen for acne treatment would be?
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-Benzoyl Peroxide cleanser bid
-Tretinoin Gel 0.1% hs -Clindamycin 1% solution in Pledget bid |
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Differin?
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Adapalene: Retinoid compound – 0.1% and 0.3%- for mild and mild/moderate acne
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Tazorac?
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Tazarotene
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Synthetic retinoid that affects cell proliferation, differentiation and inflammation? Used in mild to moderate acne.
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Tazarotene (Tazorac)
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Tazarotene concentrations and sig?
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Apply QHS – 0.1% and 0.05% concentrations
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Doxycycline doses for acne?
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Initial dose – 100mg po qd or bid
Maintenance dose – 50-100mg QD |
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Doxycycline side effects?
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Increased photosensitivity
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Minocycline dose for acne?
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Usual dose – 50-75-100mg QD or BID
Often begun BID and reduced to QD after 1-2 months |
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Minocycline side effects?
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Hypersensitivity syndromes, discoloration of skin, bone, nail, cutaneous hyperpigmentation in acne scar areas; rare - SLE
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Solodyn?
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Minocycline Extended release
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Common oral antibiotic used in acne cases where Doxycycline is ineffective or not tolerated.
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Bactrim
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Antibiotic not recommended for oral use in acne?
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Clindamycin
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Erythromycin oral dose for acne?
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2500-1000 mg per day in divided doses
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Oral contraceptives used to treat acne in women?
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Ortho-Tri-Cyclen-Norgestimate and ethinyl estradiol
Estrostep-Norethindrone and ethynyl estradiol Yasmin, Yaz- Drospirenone and ethinyl estradiol |
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Anti-androgen used only in females for acne?
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Spironolactone
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Treatment options for polycystic ovary syndrome (PCOS)?
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-Oral contraceptives
-Spironolactone -Metformin 1500-2000mg per day in divided doses |
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Only acne treatment associated with permanent remission?
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Isotretinoin (Accutane)
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Accutane dosage forms?
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10mg, 20mg, 40mg capsules
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Patient instructions with accutane?
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Take with food or milk
Protect capsules from light |
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Most common side effects of Accutane?
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Drying of oral, nasal, optic mucosa
Skin desquamation Arthralgias, muscle stiffness Photosensitivity |
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Usual duration of Accutane treatment?
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6 months, as needed for permanent remission
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Baseline and Monthly labs required with Accutane treatment?
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-Lipids
-LFTs -CBC (neutropenia) |
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Mild Acne but with Papules or Pustules requires the addition of ______to the treatment regimen.
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Oral or topical antibiotics
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Treatment for Severe Papulopustular or Nodular Acne?
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Oral Isotretinoin and wash with soap free cleanser at least bid and prn before and after sweating/exercise
(Oral antibiotics are not used in combination with oral isotretinoin) |
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Sample Treatment Regimen for Mild Acne but with Papules or Pustules.
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Topical benzoyl peroxide wash bid and topical Clindamycin or Erythromycin bid; wash with a soap free cleanser at least bid prn plusTopical retinoid qhs
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Chronic inflammatory disorder of the skin that involves blood vessels and pilosebaceous units?
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Rosacea
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Type of rosacea with thickened skin with prominent pores?
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Phymatous
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Type of rosacea with persistent facial erythema, papules, pustules, flushing, telangiectasias, ocular inflammation?
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Papulopustular
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Type of rosacea marked by persistent facial erythema, flushing, telangiectasias and easily irritated facial skin, but no papules or putules?
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Erythematotelangiectic
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Least common sub-type of rosacea?
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Phymatous
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Mainstay of rosacea therapy?
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Metronidazole (example- MetroGel, MetroCream®)
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Function of metronidazole (metro-gel, metro-cream).
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Reduction of erythema and inflammatory lesions
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Common combination therapy for rosacea?
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-Topical metronidazole qd to bid
-Oral doxycycline (Oracea) 40mg qam -Soap free cleanser |
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Conditions that may develop with ocular rosacea?
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blepharitis, sties, episcleritis, keratitis, iritis
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Tetracycline dose for rosacea?
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250-500mg bid
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Doxycycline dose for rosacea?
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50-100mg qd-bid
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Minocycline dose for rosacea?
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50-100mg qd-bid
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Oracea?
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Doxycycline: 40mg ( 30mg immediate release and 10mg delayed release) – one qam
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Major types of mature scars?
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Keloid
Hypertrophic Acne related |
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Type of scar characterized as raised and red?
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Minor keloid
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Dark red, raised scar with increased pigmentation compared to natural skin color.
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Major keloid
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Raised scar within boundaries of original injury?
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Hypertrophic
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Scar therapy that mimics epithelium?
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silicone sheeting
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Wound healing stages?
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-Inflammation
-Proliferation -Remodeling |
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Scars are formed during which stage of wound healing?
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Remodeling
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MOA of silicone sheeting in scar therapy?
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hydration and occlusion
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Mederma skin care gel?
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Onion extract - Allium cepa - Cepalin®- active ingredient - quercetin
Conclusive Studies scarce |
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Mederma sig?
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New scars- TID x 8 weeks
Existing scars- TID x 3-6 months |
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MOA of pressure garments in scar therapy?
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Decrease excessive collagen deposits
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Corticosteroid for Intra-lesional injection in scar therapy?
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Triamcinalone
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Mainstay of therapy for mature scars?
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Triamcinalone injections
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Other injectable for mature scar therapy?
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5-Fluorouracil (5-FU)
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MOA of 5-Fluorouracil (5-FU)
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Antimetabolite: Targets rapidly proliferating cells
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Kelo-cote?
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Silicone gel: QD-BID application,
60-90 days use recommended. For most scar types. |
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Role of topical vitamin-E in scar therapy?
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Questionable efficacy, use in mature scars only as it may cause wound separation.
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Scar Guard Scar Care?
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Liquid formula (Vit. E, silicone, cortisone): Provides a film cover,
BID application x 2-4 months. |
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OTC product for thick, overgrown scars?
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Scar Guard Scar Care
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ScarFx
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Silicone elastomer sheet, hypoallergenic tape for hypertrophic and keloid scars. Apply QD x 12-24 hours, 8-12 weeks
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Neosporin Scar Solution?
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Silicone scar sheets. Apply sheet to affected area; leave on at least 12 h and up to 3 days and use for 12 weeks
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OTC scar product for post-inflammatory hyperpigmentation in Non-Keloid scars?
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Hydroquinone
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Products containing hydroquinone?
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ScarGuard Lightener
Alpha Hydrox Fade Cream Esoterica (with SPF) Porcelana |