L431 Pill — BLUE OVAL, 11mm — Diphenhydramine
| Imprint | L431 |
|---|---|
| Colour | BLUE |
| Shape | OVAL |
| Size | 11 |
| Strength | DIPHENHYDRAMINE HYDROCHLORIDE 25 mg |
| Dosage form | Tablet, Film Coated |
| Manufacturer | Cardinal Health |
| NDC | 70000-0467 |
| Schedule | — |
| Availability | — |
| Ingredients | DIPHENHYDRAMINE HYDROCHLORIDE[DIPHENHYDRAMINE] |
What does this imprint mean?
The imprint "L431" is a code stamped or printed on the tablet or capsule by the manufacturer, used to identify the drug, its strength and the maker.
Active ingredient
Diphenhydramine
Uses and warnings
Do not use: - "to make a child sleepy" - with any other diphenhydramine-containing product, including topical applications Ask doctor before use if you have: - Breathing problems (emphysema/chronic bronchitis) - Glaucoma - Urination difficulties from enlarged prostate When using this product: - "marked drowsiness may occur" - "avoid alcoholic drinks" - Alcohol and sedatives may increase drowsiness - Use caution when driving or operating machinery - Excitability may occur, especially in children If pregnant or breast-feeding: Ask a health professional before use Keep out of reach of children
25 mg formulation: Temporarily relieves allergy and cold symptoms including "runny nose," "sneezing," and "itchy, watery eyes." 50 mg formulation: Temporarily relieves allergy and cold symptoms including "sneezing," "runny nose," and "itchy, watery eyes."
How to identify this pill
- • Check the imprint matches exactly: "L431".
- • Confirm the colour (BLUE) and shape (OVAL).
- • Compare the size (11) against a ruler if possible.
- • When in doubt, confirm with a pharmacist before taking any medication.
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Official references
Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file 66d16f50-1fcc-447c-be71-f9eaa3dc99a1.xml