Tiazac 420 Pill — WHITE CAPSULE, 23mm — Diltiazem
| Imprint | Tiazac / 420 |
|---|---|
| Colour | WHITE |
| Shape | CAPSULE |
| Size | 23 |
| Strength | diltiazem hydrochloride 420 mg |
| Dosage form | Capsule, Extended Release |
| Manufacturer | Cardinal Health |
| NDC | 55154-4609 |
| Schedule | — |
| Availability | — |
| Ingredients | diltiazem hydrochloride[diltiazem] |
What does this imprint mean?
The imprint "Tiazac 420" 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
Diltiazem
Uses and warnings
No boxed warning. Diltiazem is contraindicated in patients with "sick sinus syndrome except in the presence of a functioning ventricular pacemaker," "second- or third-degree AV block" (without a pacemaker), "hypotension (less than 90 mm Hg systolic)," and acute myocardial infarction with pulmonary congestion documented by X-ray. Key warnings cover cardiac conduction abnormalities, including "second- or third-degree AV block" reported in a small percentage of patients, potential worsening of congestive heart failure in patients with ventricular dysfunction, and symptomatic hypotension.
Diltiazem hydrochloride extended-release capsules are indicated for: - "Treatment of hypertension," alone or in combination with other antihypertensive medications - "Management of chronic stable angina" and "angina due to coronary artery spasm (vasospastic angina)"
How to identify this pill
- • Check the imprint matches exactly: "Tiazac 420".
- • Confirm the colour (WHITE) and shape (CAPSULE).
- • Compare the size (23) 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 510e9cc4-0529-4c28-b6e6-180e2e47d17d.xml