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Dermatologic Medication Preparation Bases

Gels or Thick liquids

1. Indications
   1. Scalp or Hairy areas
   2. Oozy or wet lesions
2. Notes
   1. Gels may be irritating
   2. Apply frequently (evaporates easily)

Creams

1. Indications
   1. Most useful and acceptable of all topical bases
   2. Dermatitis/eczema (wet and dry)
2. Notes
   1. Tell patients to rub in well
   2. More likely to contain preservatives or allergens
   3. Topical Steroid creams are more potent than lotions

Ointments

1. Indications
   1. Thick, dry, itchy Plaques
   2. Areas often rubbed off by patients
2. Notes
   1. Feels greasy use at bedtime
   2. Inert: allergic dermatitis less likely than cream
   3. May occlude Hair Follicles
   4. Topical Steroid ointments are more potent than creams
      1. Ointment vehicle holds steroid to skin surface

Pastes

1. Indications
   1. Wet intertriginous rashes
2. Notes
   1. Need oil to wipe off (not removed with water)

Powders

1. Indications
   1. Protect intertriginous areas
2. Notes
   1. Talc is MUCH better lubricant than cornstarch
   2. No powder absorbs moisture

Tube Sizes to prescribe (bid application for 10 days)

• Face and Neck: 30g
• Trunk (Front and back): 60g
• One Arm: 30g
• One Hand: 15g
• One Leg: 60g
• One Foot: 30g

REF:  http://www.fpnotebook.com/DER207.htm

2003