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DERM by Mind Map: DERM

1. TOPICAL ANTIFUNGALS

1.1. IMIDAZOLES

1.1.1. alters cell membrane permeability

1.1.2. Clotrimazole (Lotrimin)

1.1.2.1. tx: candidiasis

1.1.2.1.1. 1% - topical/vaginal/troche x 1week

1.1.2.2. OTC

1.1.2.3. C/I lomitapide, PREGNANCY B

1.1.2.4. AE: abnormal LFT's

1.1.3. Econazole (SPectazole)

1.1.3.1. tinea & candidasis

1.1.3.2. RX 1% cream  qDay x 2wks

1.1.3.2.1. 4 weeks for tinea pedis

1.1.3.3. AE: erythema

1.1.3.4. PREGNANCY C

1.1.4. Ketoconazole (Nizoral)

1.1.4.1. 1% & 2% foam/cream/shampoo

1.1.4.2. seborrheic dermatitis: q12hrs x 2 weeks

1.1.4.3. tinea versicolor: shampoo 2x weekly x 4 weeks

1.1.4.4. tinea: qDay x 2 weeks (6 for pedis)

1.1.4.5. AE: irritation, itching, stinging, alopecia,

1.1.4.6. OTC/RX(2%)

1.1.5. Sertaconazole (Ertaczo)

1.1.5.1. tinea pedis: 2% cream BID x 4 weeks

1.1.5.2. AE: contact dermatitis, dry skin, burning, erythema

1.1.5.3. most lipophilic aole - s.corneum

1.2. ALLYLAMINES

1.2.1. interferes with sterol biosynthesis

1.2.2. Naftifine (Naftin

1.2.2.1. deratophytoses

1.2.2.1.1. 1% cream or gel BID

1.2.2.1.2. 2% cream or gel qDay

1.2.2.2. AE: burning, tenderness, dryness, erythema, itching

1.2.3. Terbinafine (Lamisil)

1.2.3.1. NOT for renal/hepatic

1.2.3.2. AE: HA

1.2.3.3. PO for oncymycosis

1.2.3.4. TOPICAL: 1% cream, solution, spray

1.2.3.5. 10-100x more potent than nafifine

1.3. BENZYLAMINES

1.3.1. Butenafind (Mentax)

1.3.1.1. tinea pedis: 1% cream/gel/solution BID x 1 week (RX)

1.3.1.2. tinea corporis/cruris: cream/gel/solution: qDay x 1 week

1.3.1.3. AE: burning, stinging

1.3.1.4. MOA: inhibits intermediary in synthesis of ergosterol

1.4. POLYENES

1.4.1. Nystatin

1.4.1.1. AE: N/V/D, contact dermatitis, SJS,

1.4.1.2. MOA: binds to sterols altering permeability

1.4.1.3. covers candida

1.4.1.4. 100000 USP units/g cream, ointment, powder, oral, lozenges, vaginal tablets (RX)

1.5. HYDROXYPYRIDINE

1.5.1. Ciclopirox Olamine (Loprox, Penlac)

1.5.1.1. onychomycosis - qDay lacquer

1.5.1.2. tinea pedis/corpors - cream/gel BID x 4weeks

1.5.1.3. tinea cruris/versicolor, candidasis - cream BID x 4 weeks

1.5.1.4. seborrheic dermatitis of scalp - gel/shampoo BID

1.5.1.5. AE: erythema, itching, burning, dry skin

1.5.1.6. MOA: inhibits intermediary in synthesis of ergosterol

1.5.1.7. .77% & 1% cream, gel, shampoo, lotion, 8% nail lacquer (RX)

1.6. BID X 1-4 weeks

1.7. AE: burning, stinging, pruritis, edema, erythema, blistering, peeling, hives

2. ANTI-ACNE

2.1. RETINOIC ACID DERIVATIVES

2.1.1. MOA: desquamation, anti-inflammatory, prevents clogging

2.1.2. AE: dryness, burning, erythema, photosensitivity, temporary worsening

2.1.3. C/I UV exposure, waxing, nursing mothers, PREGNANCY X

2.1.4. Isotretinoin (Accutaine)

2.1.4.1. .5-1mg/kg/day PO divided BID for 15-20 wks

2.1.4.2. increase up to 2mg/kg/day

2.1.4.3. for severe cystic acne that is unresponsive

2.1.4.3.1. rosacea, hidradenitis supprativa

2.1.4.4. PREGNANCY X

2.1.4.4.1. iPLEDGE  - 2 types of BC

2.1.4.5. C/I tetracyclines, St. John's wort, Vit A, progestin-only birth control, avoid blood donation

2.1.4.6. AE: birth defects, depression, dryness, elevated LFT/Chol/TRIG, low WBC, HA, blurred vision, joint/muscle aches, colitis, diarrhea

2.1.5. Tretinoin (Retin A)

2.1.5.1. pea-sized qHS

2.1.5.2. .025%, .05%, .1% lotion/gel/cream

2.1.6. Tazarotene (Tazorac)

2.1.6.1. cream/gel/foam .05%/.1%

2.1.6.2. also for psoriasis

2.1.7. Adapalene (Differin)

2.1.7.1. thin film to face qPM after washing

2.1.7.2. sensitive skin patients cream/lotion/gel .1%/.03%

2.2. KERATOLYTICS

2.2.1. MOA: releases active O2 (anareobic in pores) + desquamative effect

2.2.2. mild to moderate inflammatory acne

2.2.3. Pregnancy C

2.2.4. Benzoyl Peroxide (Benzac)

2.2.4.1. apply qDay, inc to BID/TID

2.2.4.2. AE: contact dermatitis, erythema, peeling, dryness. bleaches hair and clothes

2.2.4.3. Available OTC

2.2.5. Salicylic Acid (Aveeno)

2.2.5.1. BID cleanser/scrub/foam/gel/wipes

2.2.5.2. stinging, burning, desquamation

2.2.5.3. C/I moles, birthmarks, eyes, warts

2.3. AZELAIC ACID

2.3.1. BID

2.3.2. 15% - finacea

2.3.3. 20% - Azelex

2.3.4. AE: burning, itching, scaling, erythema

2.3.5. MOA: antibacterial, normalizes keratinization

2.3.6. for inflammatory acne, rosacea, melasma, keratosis pilaris

2.3.7. PREGNANCY B

3. TOPICAL ANTI-VIRAL

3.1. Acyclovir (Zovirax)

3.1.1. HSV

3.1.1.1. 5% cream (RX)

3.1.1.2. q3hrs 6cx a day x 1 week

3.1.2. AE: burning, stinging, discomfort, pain at application site

3.1.3. XERESE: acyclovir + hydrocortisone 5%/1%

3.1.4. PREGNANCY C

3.1.5. MOA: interferes with DNA polymerase - chain termination

3.2. Penciclovir (Denavir)

3.2.1. HSV1/HSV2/VZV/EBV

3.2.1.1. 1% cream RX

3.2.1.2. q2hrs 6x a day x 4 days

3.2.2. AE: burning, stinging, discomfort, mild pain

3.2.3. MOA: triphosphate metabolite inhibits HSV

3.3. Docosanol (Abreva)

3.3.1. 10% cream 5x a day OTC

3.3.2. AE: burning, pruritis, xerosis, acne, erythema, edema

3.3.3. for oral-facial HSV

3.3.4. MOA: Inhibits fusion of virus envelope

4. ANTI-ITCH

4.1. MOA: H1 blocker

4.2. Diphenhydramine (Benadryl)

4.2.1. 1-2% topically, do not exceed 3-4x daily

4.2.2. AE: rash, hives, photosensitivity

4.2.3. C/I: infants, breastfeeding

4.2.4. 1st gen

4.3. Lortadine (Claritin)

4.3.1. 10mg PO qDay, do not exceed 10mg qDay

4.3.2. AE: HA

4.3.3. 2nd Generation

4.3.4. for allergic rhinitis, urticaria, itching of the skin

4.3.5. C/I severe hepatic dysfunction

4.4. Fexofenadine (Allergra)

4.4.1. 180mg PO qDay or 60mg PO BID

4.4.2. C/I grapefruit, renal dysfunction, erythromycin, ketoconazole PREGNANCY C

4.4.3. AE: vomiting

4.4.4. 2nd generation

4.4.5. for allergic rhinitis, urticaria, itching

4.5. Cetirizine (Zyrtec)

4.5.1. 5-10mg PO qDay, do not exceed 10mg

4.5.2. AE: drowsiness, HA

4.5.3. 2nd generation

4.5.4. for allergic rhinitis, urticaria, skin picking

4.5.5. PREGNANCY B

4.6. Cyprohepatidine (Periactin)

4.6.1. 4mg PO q8hr

4.6.1.1. maintenance: 4-20mg/day

4.6.1.2. up to 32mg/day

4.6.2. C/I metyraone, selegiline, infants, nursing,

4.6.3. AE: CNS depression, weakness, tachy, hypotension, N/V/D, eczema, itching blurred vision

4.7. Hydroxyzine (Vistaril)

4.7.1. 10-25mg PO TID-QID

4.7.2. for allergic rhinitis, urticaria, anxiolytic

4.7.3. AE: drowsiness, respiratory depression

4.7.4. C/I 1st trimester

4.7.4.1. Caution in HTN, glaucoma, BPH, ETOH

4.7.5. 1st Generation

5. IMMUNOMODULATORS

5.1. TACROLIMUS (PROTOPIC) & PIMECROIMUS (EIDEL)

5.1.1. MOA: inhibits phosphatase calcineurin

5.1.2. Tacrolimus - .03% 2-15y/o, .1% 16+

5.1.3. Pimecrolimus 1% BID x 6 weeks

5.1.4. for eczema, seborrheic dermatitis, lichen planus, vitiligo, psoriasis

5.1.5. C/I avoid HSV, dermatitis, herpetiformis, HSV, immunosuppression photosensitivity

5.1.6. AE: burning, irritiation, itching, erythema

5.2. IMIQUIMOD (ALDARA, ZYCLARA)

5.2.1. MOA: immumodulator binding to toll receptor 7

5.2.2. 5% or 3.75% cream

5.2.3. for HPV (anogenital), actinic keratosis, BCC, bowens, warts, keloids, lentigo maligna

5.2.4. AE: erythema, ulceration, edema, scaling, flu-like

5.2.5. PREGNANCY B

6. TOPICAL ANTI-MITOTIC

6.1. FLUOROURACIL (EFFUDEX)

6.1.1. MOA: inhibits RNA processing

6.1.2. for AK, periungal psoriasis, condyloma, Bowen's, DSAP

6.1.3. .5-5% QD 2-4weeks

6.1.4. C/I PREGNANCY X

6.1.5. AE: painful erythema, erosions, necrosis of lesions

6.2. PICATO (INGENOL MEBUTATE)

6.2.1. .015%-.05% gel

6.2.2. MOA: induces cell death

6.2.3. .015% gel for scalp/face x 3 days

6.2.4. .05% gel for body, arms, legs x 2 days

6.2.5. keep in refrigeratior

6.2.6. PREGNANCY C

6.2.7. AE: localized irritation and erythema

7. PHOTOTHERAPY

7.1. narrowband UVB (311-313nm)

7.1.1. for chronic eczema, psoriasis, vitiligo, CTCL, pruritis,

7.1.2. initial exposure: 100mJ

7.1.2.1. increase by 20-30J per tx

7.1.2.2. prior to tx: moisturizing cream will increase the effect of treatment

7.2. slows multiplication of skin cells, alters function of immune cells, darkening and thickening of skin

7.3. AE: erythema, xerosis, pruritis, blistering, HSV, photoaging, eye damage, cataracts, skin cancers

7.4. broadband UVB for psoriasis

7.4.1. psoriasis, eczema

7.4.2. poor penetration (not for palms and soles)

7.4.3. used in past with tar

7.5. PUVA

7.5.1. Psoralens - photo chemotherapy with psoriasis

7.5.2. inflammatory response that manifests as a delayed phototoxic erythema

7.5.3. AE: N/V, redness, swelling, blisters, liver damage, photoaging, AK, skin cancer, eye damage, cataracts

8. WOUND DRESSINGS

8.1. Substitutes the lost native epithelium, provides optimal environment for healing, absorb fluids, provide pressure, decrease pain

8.2. LAYERED

8.2.1. pressure vs non pressure

8.2.2. contact layer, absorbent layer, wrap layer

8.2.3. ex) telfa, cotton gauze, cover-roll

8.3. POLYMER FILMS

8.3.1. Thin, elastic self-adhesive transparent sheets

8.3.2. ex) tegaderm

8.3.3. for uncontaminated superficial wound, iv sites, skin tears, ulcers, laser wounds, mohs

8.3.4. DISADVANTAGES: difficult to handle, can adhere to wound bed, non-absorbent, bacteria accumulation

8.4. POLYMER FOAMS

8.4.1. Semi-occlusive/semi-permeable hydrophilic foam with hydrophobic backing

8.4.2. most are non-adherent and require secondary dressing

8.4.3. for chronic wounds, dermabrasion, mohs, burns

8.4.4. very absorbent, prevents leakage, contours to wound

8.4.5. frequent changing required, cannot use on dry wounds, can have a drying effect.

8.4.6. ex) reston, cutinova, lyofoam, flexzan, biopatch, crafoam, biatain

8.5. HDRYOGELS

8.5.1. 96% water

8.5.2. cooling, soothing effect, semi-permeable, semitransparent, highly absorptive

8.5.3. for dermabrasion, ulcers, burns, chemical peels,

8.5.4. in sheets, gels, impregnanted dressings

8.6. ALGINATES

8.6.1. natural complex polysaccharide from algae or kelp

8.6.2. helps with exchange of ions in wound bed

8.6.3. soluble sodium gel provides moist environement

8.6.4. hemostatic dressings, gels,

8.6.5. for highly exudative wounds, burns, mohs, decubiti and chronic ulcers

8.7. HYROCOLLOIDS

8.7.1. for burns, dermabrasion, lacerations, ulcers, bullous disorders,

8.7.2. sheets (duoderm) cuts to shape of wound, self adherent, waterproof

8.7.3. beads - gel formed prevents dressing adherence

8.7.4. can cause maceration of surrounding skin, leakage of excessive tissue exudate, yellow-brown smelly gel around wound

8.8. LEG ULCER DRESSINGS

8.8.1. need moisture retention, must be occlusive and compressing (30-40mmHg)

8.8.2. ex) polymer films & foams, hydrogels, alginates, hydrocolloids

8.8.3. Compression: Unna boot - cotton bandage impregnanted with zinc oxide, gelatin and glycerine paste

8.8.3.1. step 1) base coat - white petrolatum

8.8.3.2. step 2) paste dressing - zinc oxide, gelocast, tenderwrap, primer

8.8.3.3. step 3) elastic compression bandage - coban, ace wrap,

8.9. HYALURONIC ACID ESTER DRESSING

8.9.1. HYAFF - cell carrier of cultured keratinocytes - functions like human epidermis

8.9.2. used on exudative wounds and forms a thick gel that lasts 3 days, degrades and release HA into wound

8.9.3. in sheets and ribbons

8.10. LIVING SKIN DRESSINGS

8.10.1. for burn patients or surgical wounds

8.10.2. immediate epithelialization reduces pain

8.10.3. very expensive - applied under sterile conditions

8.11. WET DRESSINGS

8.11.1. for imflamed skin that are oozing, blistering, crusting, infection

8.11.2. apply cortisone cream or moisturizer and cover in wet disposable towels and wrap with crepe bandages

8.11.3. Burows/Domeboros solution

8.11.3.1. vinegar and water solution

8.11.4. Wet to dry dressings restricted to heavily necrotic wounds.

8.11.4.1. removes healthy tissue - non selective

9. TOPICAL STEROIDS

9.1. AE: Skin atrophy, striae, burning, hypopigmentation, hypertrichosis, folliculitis,

9.2. C/I viral, fungal tubercular lesions & eyes, hypersensitivity (Pregnancy C)

9.3. MOA: anti-inflammatory, vasoconstriction, anti-pruritic

9.4. FTU - 1/hand, 3/arm, 6/leg, 7/back, 2/foot

9.5. BID X 2 WEEKS, 1 week off + occlusion

9.6. Clobetasol propionate (Clobex)

9.6.1. For dermatoses

9.6.2. cream/foam/shampoo/emollient/lotion

9.6.3. GROUP 1 .05%

9.7. Halobetasol propionate (Ultravate)

9.7.1. inflammed and itchy deramtoses

9.7.2. GROUP 1 .05%

9.8. Fluocinonide (Lidex)

9.8.1. thin layer qDay or BID

9.8.2. for psoriasis, atopic dermatitis,

9.8.3. GROUP 2 .05%

9.9. Triamcinolone (Kenalog)

9.9.1. topical for infalmmatory

9.9.2. cream/ointment/spray

9.9.3. apply BID-QID pRN

9.9.3.1. dental paste for oral

9.9.4. GROUP 4/5 .1%

9.10. Betamethasone

9.10.1. intrabursa/intra-articular/intradermal

9.10.1.1. .25-2mL injection

9.10.2. GROUP 2 .05%

9.11. Hydrocortisone

9.11.1. apply sparingly qDay or BID +/- occlusive dressing

9.11.2. GROUP 5/7

10. PSORIASIS

10.1. Cyclosporine A

10.1.1. severe plaque psoriasis last resort

10.1.1.1. NEVER USED

10.1.2. C/I amphotericin B, -statins, mifepristone, neomycin PO,uncontrolled HTN, kidney dysfunction, malignancy

10.1.3. AE: tremor, nephrotox, HTN, infx, HA, hirsutism

10.1.3.1. BB: immunosuppression,

10.1.4. MOA: calcineurin inhibitor - immune suppression

10.2. Methotrexate

10.2.1. severe psoriasis last resort

10.2.1.1. PO/IV/IM 20mg 1 X WEEK

10.2.1.2. + 1g folic acid

10.2.1.3. max 30g/week

10.2.2. C/I LIVE VACCINES, Pregnancy X

10.2.3. AE: reddening of skin, hyperuricemia, glossitis, gingivitis, N/V/D, anorexia, mucositis

10.2.3.1. BB: immunosuppresion

10.2.4. MOA: inhibits dihydrofolic acid reductase - blocks DNA synthesis

10.3. Fumaric Acid (Fumaderm)

10.4. Hydroxyurea (Droxia, Hydrea)

10.4.1. off-label for psoriasis

10.4.1.1. 1000-1500 mg/day PO qDay-BID

10.4.2. C/I Live vaccines

10.4.3. AE: N/V/D/C, myelosuppression, hyperuricemia, renal failure, rash, hyperpigmentation

10.4.3.1. BB: myelosuppression

10.4.4. MOA: DNA synthesis inhibition

10.5. Thioguanine (Tabloid)

10.6. Sulfasalazine

10.6.1. MOA: disease modifying antirheumatic drug

10.6.2. for inflammatory bowel disease, rheumatoid arthritis, psoriatic arthritis

10.6.3. C/I intestinal or urinary obstruction, porphyria, hypersensitive to sulfasalazine

10.6.4. NEVER USED FOR PSORIASIS

10.7. Acitretin (Soriatane)

10.7.1. 2nd generation retinoid

10.7.2. MOA: reduce epidermal hyperplasia, slowing of cell reproduction

10.7.3. similar to isotretinoin

10.7.4. used for menopausal women with psoriasis

10.7.5. need to wait 3 years before conceiving or donating blood

10.8. Apremilast (Otezla)

10.8.1. MOA: inhibits PDE4

10.8.2. for psoriasis and psoriatic arthritis

10.8.3. 30mg BID (titrate dose)

10.8.4. AE: weight loss, HA, depression, GI distress

10.8.5. Good option for people who don't want biologics

10.9. Calcipotriol (Dovonex)

10.9.1. MOA: increases differentiation and inhibits proliferation of keratinocytes

10.9.2. .005% cream BID

10.9.3. AE: skin irritation,

10.10. Calcitriol (Vectical)

10.10.1. MOA: increases differentiation & inhibits proliferation of keratinocytes

10.10.2. 3mcg/g ointment BID

10.10.2.1. MAX 200g/wk

10.10.3. AE: pruritis, hypercalcemia

10.11. Calcipotriene & betamethasone diproprionate (Taclonex)

10.11.1. .005% & .064% QD x 1 month ointment

10.11.2. MOA: synthetic VD3 analogue

10.11.3. AE: pruritus and scaly rash

11. ANTIBIOTICS

11.1. TOPICAL SKIN INFECTIONS

11.1.1. Gentamycin (Garamycin)

11.1.1.1. .1% ointment or cream TID-QID

11.1.1.2. MOA: 30S binding

11.1.1.3. for superficial skin infections

11.1.1.4. AE: erythema, pruritis, edema, photosensitivity, resistant Pseudomonas, PREGNANCY C

11.1.2. Neomycin (Myciguent)

11.1.2.1. .5% ointment or cream QD-TID

11.1.2.1.1. DO NOT USE

11.1.2.2. MOA: binds to 30S

11.1.2.3. for superfical infections, minor scrapes burns and cuts

11.1.2.4. C/I P. Aeruginosa

11.1.2.5. AE: 15% contact dermatitis, pruritis, erythema, edema, PREGNANCY C

11.1.3. Bacitracin (Baciquent)

11.1.3.1. 400-500u/g ointment TID

11.1.3.2. MOA: cell wall synthesis inhibitor

11.1.3.3. for superficial skin infections

11.1.3.4. C/I hypersensitivity

11.1.3.5. AE: irritant and allergic contact dermatitis, PREGNANCY C

11.1.4. Mupirocin (Bactroban)

11.1.4.1. TID 2% ointment or cream or nasal

11.1.4.2. S. Aureus

11.1.4.3. for superficial skin infections (MRSA)

11.1.4.3.1. furuncle, impetego, open wounds

11.1.4.4. AE: burning, stinging, tenderness, pain pruritis, PREGNANCY B

11.1.5. Retapamulin (Altabax)

11.1.5.1. MOA: inhibits bacterial protein synthesis (50S bind)

11.1.5.2. 1% ointment BID x 5 days

11.1.5.3. 9 months and older

11.1.5.4. covers S. Aureus + S. Pyogenes

11.1.5.5. for impetigo, superficial infx

11.1.5.6. AE: dermatiis, burning, itching, redness, swelling, blistering, oozing, PREGNANCY B

11.2. COMBINATIONS

11.2.1. Polymyxin B Combos

11.2.1.1. polysporin = bacitracin + polymyxin B

11.2.1.2. Neosporin = neomycin + Polymyxin B/ Bacitracin

11.2.1.3. MOA: interacts with the phospholipids of bacterial cell membranes

11.2.1.4. QD-TID, 5000-10000u/g ointment

11.2.1.5. for superficial skin infections

11.2.1.6. PREGNANCY C

11.3. TOPICALS

11.3.1. Clindamycin

11.3.1.1. for mild-mod inflammatory acne & superficial infections

11.3.1.2. QID-BID 1% gel, lotion, solution, pledgets, foam

11.3.1.2.1. +/- BPO benzaclin

11.3.1.3. MOA: inhibits protein synthesis (50S bind)

11.3.1.4. C/I hypersensitivity, eteritis, UC, abx

11.3.1.5. PREGNANCY B

11.3.1.6. AE: erythema, burning, stinging, pruritis, peeling, folliculits (-), pseudomembranous colitis

11.3.2. Sodium Sulfacetamide

11.3.2.1. 10% lotion QD-BID

11.3.2.2. MOA: inhibits nucleic acid and protein synthesis

11.3.2.3. mild-mod inflammatory acne or rosacea

11.3.2.4. C/I hypersensitivity

11.3.2.5. NOT first line

11.3.2.6. AE: xeroisis, pruritis, cross reaction, PREGNANCY C

11.3.3. Erythromycin (Akne-Mycin)

11.3.3.1. 1.5-2% solution,gel, pledgets, ointment BID

11.3.3.1.1. +/- BPO benzamycin

11.3.3.2. mild to moderate inflammatory acne

11.3.3.3. C/I hypersensitivity

11.3.3.4. PREGNANCY B

11.3.3.5. AE: erythema, burning, pruritus, peeling

11.3.3.6. MOA: inhibits protein synthesis (50S bind)

11.4. ORAL

11.4.1. Minocycline (Solodyn)

11.4.1.1. most lipid-soluable tetracycline

11.4.1.2. AE: HA, vertigo, SLE, photosensitivity, teeth staining

11.4.1.3. C/I children under 8, PREGNANCY D,

11.4.1.4. for acne, rosacea, lyme,

11.4.2. Tetracycline (Sumycin, Minocin)

11.4.2.1. for acne, rosacea, lyme

11.4.2.2. AE: photosensitivity, staining of teeth

11.4.2.3. C/I kids under 8, PREGNANCY D

12. SEBORRHEA

12.1. Pyrithione

12.1.1. shampoo

12.1.2. AE: stinging, burning, desquamation

12.1.3. MOA: fungistatic & bacteriostatic

12.1.4. head and shoulders

12.2. Selenium Sulfide (Selsun Blue)

12.2.1. tinea versicolor - 2.5% lotion/shampoo qDay x 1 week

12.2.2. seborrhea - 5-10mL shampoo BID x 2weeks

12.2.3. AE: stinging, burning, lethargy, alopecia, termor

12.2.4. MOA: cytostatic on epidermis

12.3. Ketoconazole (Nizoral)

12.3.1. 200-400mg/day PO

12.3.2. C/I -zosin, -ides, simvastatin, quinidine, procainamide, methadone, isoniazid, indapamide

12.3.3. AE: N/V, itching, abdominal pain

12.3.4. BB: hepatotoxicity, QT prolongation

12.3.5. MOA: inhibits cell membrane formation

12.4. Sulfanilamide

12.4.1. candida vulvovaginitis

12.4.1.1. 1 applicator (6g) intravaginal qD-BID x 30 days

12.4.2. C/I 3rd trimester

13. ROSACEA

13.1. Azelaic Acid (Azelex)

13.1.1. massage thin layer on face q12hrs

13.1.2. AE: burning, stinging, tingling

13.1.3. C/I avoid rosacea tirggers,

13.1.4. MOA: inhibits growth of bacteria by inhibiting protein synthesis

13.2. Metroniadazole (flagyl)

13.2.1. .75%-1% gel, cream lotion QD-BID

13.2.2. MOA: DNA breaking + anti-oxidant/inflammation

13.2.3. mild-moderate inflammatory acne/roscea

13.2.4. C/I hypersensitivity

13.2.5. AE: watery eyes, metallic taste, numbness, PREGNANCY B