Product Information
HISTEX PD 0.938 MG/ML DROP is a generic product labeled by Allegis Pharmaceuticals, LLC, priced at $0.4012 per ML under NDC 28595080130. Its NADAC has been published 546 times since Apr 20, 2016.
Strength
.938 mg/mL
Manufacturer
Allegis Pharmaceuticals, LLCNDC
28595080130
Classification
Generic
Dosage Form
SYRUP
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
TRIPROLIDINE HYDROCHLORIDEApproval Type
OTC MONOGRAPH DRUG
FDA Application
M012On Market Since
3/6/2014
Price Statistics
The NADAC for HISTEX PD 0.938 MG/ML DROP has been published 546 times since Apr 20, 2016, and over the history we have for it it has declined 78.4%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.4012 per ML |
|---|---|
| All-time high | $1.8566 (May 11, 2016) |
| All-time low | $0.3724 (Sep 17, 2025) |
| 52-week high | $0.4023 |
| 52-week low | $0.3724 |
| Median price | $0.5031 |
| Average price | $0.7608 |
| Largest weekly change | -74.0% (Jun 20, 2018) |
| Weeks tracked | 546 |
| Tracking since | Apr 20, 2016 |
Generic Alternatives
The matcher finds 1 manufacturer offering a NADAC-published product with this drug's active ingredient and strength in a comparable dosage form (cheapest from each manufacturer, up to 10 shown below). None of the shown alternatives sit below the current price. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
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Same classification
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Manufacturer
Allegis Pharmaceuticals, LLC manufacturer profile
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Drug market
TRIPROLIDINE HYDROCHLORIDE market comparison
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Guide
Understanding NADAC pricing
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Frequently asked questions
What is the NADAC price of HISTEX PD 0.938 MG/ML DROP?
The current National Average Drug Acquisition Cost (NADAC) for HISTEX PD 0.938 MG/ML DROP, manufactured by Allegis Pharmaceuticals, LLC, is $0.4012 per ML (NDC 28595080130), effective Sep 30, 2026.
How has the price of HISTEX PD 0.938 MG/ML DROP changed over time?
Over the history we have for it, the NADAC for HISTEX PD 0.938 MG/ML DROP has declined 78.4%. It has been tracked across 546 weekly CMS publications since Apr 20, 2016.
What are the highest and lowest recorded NADAC prices for HISTEX PD 0.938 MG/ML DROP?
Since Apr 20, 2016, the NADAC for HISTEX PD 0.938 MG/ML DROP has ranged from a low of $0.3724 (Sep 17, 2025) to a high of $1.8566 (May 11, 2016), with a median of $0.5031 per ML.
Are there cheaper alternatives to HISTEX PD 0.938 MG/ML DROP?
1 manufacturer publishes a NADAC-priced product with the same active ingredient and strength as HISTEX PD 0.938 MG/ML DROP in a comparable dosage form, but none are currently priced below it.
Who manufactures HISTEX PD 0.938 MG/ML DROP?
HISTEX PD 0.938 MG/ML DROP (NDC 28595080130) is labeled by Allegis Pharmaceuticals, LLC, and CMS classifies it as a generic product.