Product Information
HISTEX-DM SYRUP is a generic product labeled by Allegis Pharmaceuticals, LLC, priced at $0.0739 per ML under NDC 28595080416. Its NADAC has been published 128 times since Jan 17, 2018.
HISTEX-DM SYRUP
DEXTROMETHORPHAN HYDROBROMIDE, PHENYLEPHRINE HYDROCHLORIDE, and TRIPROLIDINE HYDROCHLORIDEStrength
20; 10; 2.5 mg/5mL; mg/5mL; mg/5mL
Manufacturer
Allegis Pharmaceuticals, LLCNDC
28595080416
Classification
Generic
Dosage Form
SYRUP
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
DEXTROMETHORPHAN HYDROBROMIDE; PHENYLEPHRINE HYDROCHLORIDE; TRIPROLIDINE HYDROCHLORIDEApproval Type
OTC MONOGRAPH DRUG
FDA Application
M012On Market Since
3/19/2014
Pharmacological Classes
Price Statistics
The NADAC for HISTEX-DM SYRUP has been published 128 times since Jan 17, 2018, and over the history we have for it it has risen 5.1%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0739 per ML |
|---|---|
| All-time high | $0.0739 (Jun 24, 2026) |
| All-time low | $0.0703 (Jan 17, 2018) |
| 52-week high | $0.0739 |
| 52-week low | $0.0712 |
| Median price | $0.0709 |
| Average price | $0.0710 |
| Largest weekly change | +3.4% (May 20, 2026) |
| Weeks tracked | 128 |
| Tracking since | Jan 17, 2018 |
Generic Alternatives
No other NADAC-published product shares this drug's active ingredient, strength, and dosage form. Compare the broader picture on the DEXTROMETHORPHAN HYDROBROMIDE, PHENYLEPHRINE HYDROCHLORIDE, and TRIPROLIDINE HYDROCHLORIDE market page.
Lowest-Cost Alternatives
No alternatives available
Frequently asked questions
What is the NADAC price of HISTEX-DM SYRUP?
The current National Average Drug Acquisition Cost (NADAC) for HISTEX-DM SYRUP, manufactured by Allegis Pharmaceuticals, LLC, is $0.0739 per ML (NDC 28595080416), effective Jun 24, 2026.
How has the price of HISTEX-DM SYRUP changed over time?
Over the history we have for it, the NADAC for HISTEX-DM SYRUP has risen 5.1%. It has been tracked across 128 weekly CMS publications since Jan 17, 2018.
What are the highest and lowest recorded NADAC prices for HISTEX-DM SYRUP?
Since Jan 17, 2018, the NADAC for HISTEX-DM SYRUP has ranged from a low of $0.0703 (Jan 17, 2018) to a high of $0.0739 (Jun 24, 2026), with a median of $0.0709 per ML.
Are there cheaper alternatives to HISTEX-DM SYRUP?
No other NADAC-published product currently shares the active ingredient, strength, and dosage form of HISTEX-DM SYRUP, so no direct lower-cost alternative is listed.
Who manufactures HISTEX-DM SYRUP?
HISTEX-DM SYRUP (NDC 28595080416) is labeled by Allegis Pharmaceuticals, LLC, and CMS classifies it as a generic product.
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Same classification