Benzonatate
Severe
Textbook
Severe allergic reactions.
Avoid use in patients with known allergy to para-aminobenzoic acid.
Source: G&G 14e · p893
Drug reference
para-aminobenzoic acid
Chemical sunscreen · Sunscreen
Chemical sunscreenSunscreen
CDSCO approved
EXCRETION
—
not curated
INTERACTIONS
1 major
SEVERE in our sources
PREGNANCY
—
not curated
Top interactions
- BenzonatateSevereTextbookG&G 14e · p893
Mechanism
Absorbs UVB rays (290–320 nm).
Indications
Protection from sunburn and phototoxicityAdjunct in vitiligo therapyDrug-induced phototoxicityFacilitating tanning while preventing sunburnPrevention of skin cancer and premature ageing of skin
Dosing
- Adult
- 5% solution in alcohol/propylene glycol or 10% cream
Drug interactions
Related guidelines
Ask House about para-aminobenzoic acid
Continue into a citation-backed clinical answer with the drug context already attached.
Sources: KD Tripathi 7e·Verified: 2026-05-10 · House clinical team