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Active ingredient

Hyoscyamine

54 finished FDA listings contain Hyoscyamine as their only active ingredient; 22 combination products also contain it.

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FDA NDC Directory

Ingredient names as written by FDA
HYOSCYAMINE, HYOSCYAMINE SULFATE, HYOSCYAMINE SULFATE ANHYDROUS
Dosage forms
Elixir, Injection, Solution, Solution, Solution/ Drops, Tablet, Tablet, Chewable, Tablet, Extended Release, Tablet, Orally Disintegrating
Routes
Oral, Subcutaneous, Sublingual
Manufacturers / labelers
23
Strengths listed
.125 mg/1 · .125 mg/5ml · .125 mg/ml · .375 mg/1 · .5 mg/ml
Brand names in FDA listings
Digenyx, Hyoscyamine Er, Hyoscyamine Sulfate Odt, Hyoscyamine Sulfate Sl, Hyoscyamine Sulfate Sublingual, Hyoscyamine Sulfate Tab, Hyosyne, Levbid, Levsin, Levsin Sl, Nulev, Oscimin

RxNorm (National Library of Medicine)

Ingredient concept RxCUI 153970

Drugs@FDA applications

Linked only where the FDA listing’s application number matches Drugs@FDA exactly. A listing in the NDC Directory does not by itself mean FDA approval.

No matching Drugs@FDA applications.

Official labeling on DailyMed

Showing the 12 most recent of 49 labels.

Sources: FDA NDC Directory (2026-09-29), RxNorm, Drugs@FDA, DailyMed. Each source’s facts are shown separately as published.