Product Information
HISTEX 2.5 MG/5 ML SYRUP is a generic product labeled by Allegis Pharmaceuticals, LLC, priced at $0.1011 per ML under NDC 28595080208. Its NADAC has been published 79 times since Feb 19, 2025.
Strength
2.5 mg/5mL
Manufacturer
Allegis Pharmaceuticals, LLCNDC
28595080208
Classification
Generic
Dosage Form
SYRUP
Route
ORAL
Effective Date
6/17/2026
Active Ingredients
TRIPROLIDINE HYDROCHLORIDEApproval Type
OTC MONOGRAPH DRUG
FDA Application
M012On Market Since
3/4/2014
Price Statistics
The NADAC for HISTEX 2.5 MG/5 ML SYRUP has been published 79 times since Feb 19, 2025, and over the history we have for it it has held within roughly two percent of its current level. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.1011 per ML |
|---|---|
| All-time high | $0.1025 (Feb 11, 2026) |
| All-time low | $0.0998 (Feb 18, 2026) |
| 52-week high | $0.1025 |
| 52-week low | $0.0998 |
| Median price | $0.1025 |
| Average price | $0.1018 |
| Largest weekly change | -2.7% (Feb 18, 2026) |
| Weeks tracked | 79 |
| Tracking since | Feb 19, 2025 |
Generic Alternatives
No other NADAC-published product shares this drug's active ingredient and strength in a comparable dosage form. Compare the broader picture on the TRIPROLIDINE HYDROCHLORIDE market page.
Lowest-Cost Alternatives
No alternatives available
Related Drugs
Same classification
Frequently asked questions
What is the NADAC price of HISTEX 2.5 MG/5 ML SYRUP?
The current National Average Drug Acquisition Cost (NADAC) for HISTEX 2.5 MG/5 ML SYRUP, manufactured by Allegis Pharmaceuticals, LLC, is $0.1011 per ML (NDC 28595080208), effective Aug 19, 2026.
How has the price of HISTEX 2.5 MG/5 ML SYRUP changed over time?
Over the history we have for it, the NADAC for HISTEX 2.5 MG/5 ML SYRUP has held within roughly two percent of its current level. It has been tracked across 79 weekly CMS publications since Feb 19, 2025.
What are the highest and lowest recorded NADAC prices for HISTEX 2.5 MG/5 ML SYRUP?
Since Feb 19, 2025, the NADAC for HISTEX 2.5 MG/5 ML SYRUP has ranged from a low of $0.0998 (Feb 18, 2026) to a high of $0.1025 (Feb 11, 2026), with a median of $0.1025 per ML.
Are there cheaper alternatives to HISTEX 2.5 MG/5 ML SYRUP?
No other NADAC-published product currently shares the active ingredient and strength of HISTEX 2.5 MG/5 ML SYRUP in a comparable dosage form, so no direct lower-cost alternative is listed.
Who manufactures HISTEX 2.5 MG/5 ML SYRUP?
HISTEX 2.5 MG/5 ML SYRUP (NDC 28595080208) is labeled by Allegis Pharmaceuticals, LLC, and CMS classifies it as a generic product.