Para Aminobenzoic Acid
Severe
Textbook
Severe allergic reactions.
Avoid use in patients with known allergy to para-aminobenzoic acid.
Source: G&G 14e · p893
Drug reference
benzonatate
Local anesthetic · Antitussive
Local anestheticAntitussive
CDSCO approved
EXCRETION
—
not curated
INTERACTIONS
1 major
SEVERE in our sources
PREGNANCY
—
not curated
Top interactionssee all 2 →
- Para Aminobenzoic AcidSevereTextbookG&G 14e · p893
Mechanism
Not yet extracted
Drug interactions
Codeine
Mild
Database
Enhanced cough suppression
Monitor for excessive sedation.
1 additional low-confidence interaction hidden — those rows lack a documented mechanism or management plan in our sources.
Related guidelines
Other Local anesthetic drugs
Ask House about benzonatate
Continue into a citation-backed clinical answer with the drug context already attached.
Sources: Goodman & Gilman 14e·Verified: 2026-05-10 · House clinical team