Drug reference
coaltar
Phototoxic agent, Epidermal turnover retardant · Antipsoriatic
Phototoxic agent, Epidermal turnover retardantAntipsoriatic
CDSCO approved
EXCRETION
—
not curated
INTERACTIONS
—
none in our sources
PREGNANCY
—
not curated
Mechanism
Exerts a phototoxic action on the skin when exposed to light (especially UVA) and retards epidermal turnover.
Indications
Psoriatic plaques
Side effects
Common
Strong smellCosmetic unacceptabilitySkin irritationAllergyPhotosensitivity
Serious
- Potential for carcinogenicity
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Textbook-sourced·Sources: KD Tripathi 7e·Updated: 2026-05-10