Permethrins should be avoided in persons:

• Under 2 years of age

• Allergic to chrysanthemums or ragweed

• Infested with Pediculus humanus capitis

• Who are pregnant

GI distress is a common adverse drug reaction of which of the following nonprescription products?

• Evening primrose oil

• Benadryl

• Nizoral

• Benzoyl peroxide

Zinc oxide is used to treat mild skin irritations and abrasions and to soothe and protect skin to promote healing of chapped skin and diaper rash in concentrations ranging from:

• 0.5–1%

• 10–40%

• 5–10%

• 17–40%

Adapalene causes which of the following where sun exposure and tanning beds should be avoided during its use?

• Tinnitus

• Sun-sensitivity

• Acne

• Pruritus

For treatment of athlete’s foot, Tinactin should be applied:

• For 1 week max

• After fissures have healed

• Before washing and drying feet

• PRN until itching resolves

Which of the following topical products is known to most likely cause sensitization?

• Hydrocortisone

• Calamine lotion

• Miconazole

• Diphenhydramine

The maximum daily dosing frequency of topical lidocaine to self-treat skin pain or itching is:

• 1–2 times/day

• 2–3 times/day

• 3–4 times/day

• 4–6 times/day

Which of the following is an inaccurate counseling point to tell a patient about benzoyl peroxide?

• Discontinue use temporarily (until symptoms resolve) if excessive dryness, irritation, or skin peeling occurs.

• Wear sunscreen as you may be more susceptible to sunburn.

• Avoid contact with hair or clothing as bleaching may occur.

• Start treatment with highest effective concentration.

When used as a bath additive, patients should be counseled to add directly under the faucet to suspend it in water.

• Aluminum acetate
• PEG 3350

• Colloidal oatmeal

• Milk thistle

The FDA has only approved for OTC cryotherapy use.

• Dimethyl ether and propane

• Salicylic acid
• Lidocaine

• Undecylenic acid