Classes
DEA Class; Rx
Common Brand Names;
- Depigmenting Agents
Description
Elicits reversible depigmentation of the skin by inhibiting enzymatic oxidation of tyrosine to 3, 4-dihydroxyphenylalanine (DOPA); also suppresses other melanocyte metabolic processes; sun exposure reverses effect and cause repigmentation
Indications
Physicians may prescribe hydroquinone products through 503A and 503B compounding facilities
Contraindications
Hypersensitivity
Sunburn
Use as depilatory drug
Adverse Effects
- Mild skin irritation and sensitization (burning, stinging)
- Dermatitis
- Dryness
- Erythema
- Inflammatory reaction
Warnings
May contain sulfites that may cause allergic-type reactions
May cause skin rashes, facial swelling, and ochronosis
Avoid unnecessary exposure to sunlight
Limit application to areas no larger than arms, hands, face, and neck
Do not apply near eyes or mucous membranes, to cut, abraded, or sunburned skin, after shaving or using a depilatory agent; or over miliaria rubra (prickly heat)
Individuals with sensitive skin may experience temporary burning/stinging sensation
Pregnancy and Lactation
Pregnancy
Unknown extent of systemic absorption
Lactation
Unknown if distributed in breast milk; use caution
Maximum Dosage
Apply sparingly to affected areas BID and rub in thoroughly
Generally 2-4% compounded topical creams are prescribed
How supplied
Hydroquinone