Product Information
SILODOSIN 4 MG CAPSULE is a generic product labeled by Macleods Pharmaceuticals Limited, priced at $0.2650 per EA under NDC 33342038407. Its NADAC has been published 385 times since May 22, 2019.
FDA first approved this application on Dec 3, 2018. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
4 mg/1
Manufacturer
Macleods Pharmaceuticals LimitedNDC
33342038407
Classification
Generic
Dosage Form
CAPSULE
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
SILODOSINApproval Type
Generic (ANDA)
FDA Application
ANDA211166FDA Approved
12/3/2018
TE Code
AB
On Market Since
12/3/2018
Pharmacological Classes
Price Statistics
The NADAC for SILODOSIN 4 MG CAPSULE has been published 385 times since May 22, 2019, and over the history we have for it it has declined 80.3%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.2650 per EA |
|---|---|
| All-time high | $1.3464 (Jun 12, 2019) |
| All-time low | $0.2650 (Sep 23, 2026) |
| 52-week high | $0.3534 |
| 52-week low | $0.2650 |
| Median price | $0.4696 |
| Average price | $0.6128 |
| Largest weekly change | +52.7% (Feb 19, 2020) |
| Weeks tracked | 385 |
| Tracking since | May 22, 2019 |
Generic Alternatives
The matcher finds 4 manufacturers 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.
Related Drugs
Same classification
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Manufacturer
Macleods Pharmaceuticals Limited manufacturer profile
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Drug market
Silodosin market comparison
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Therapeutic class
alpha-Adrenergic Blocker class view
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Trend hub
Latest market trends
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Guide
Understanding NADAC pricing
Use the explainer when you need context on how CMS publishes NADAC and how to interpret the number on this page.
Frequently asked questions
What is the NADAC price of SILODOSIN 4 MG CAPSULE?
The current National Average Drug Acquisition Cost (NADAC) for SILODOSIN 4 MG CAPSULE, manufactured by Macleods Pharmaceuticals Limited, is $0.2650 per EA (NDC 33342038407), effective Sep 30, 2026.
How has the price of SILODOSIN 4 MG CAPSULE changed over time?
Over the history we have for it, the NADAC for SILODOSIN 4 MG CAPSULE has declined 80.3%. It has been tracked across 385 weekly CMS publications since May 22, 2019.
What are the highest and lowest recorded NADAC prices for SILODOSIN 4 MG CAPSULE?
Since May 22, 2019, the NADAC for SILODOSIN 4 MG CAPSULE has ranged from a low of $0.2650 (Sep 23, 2026) to a high of $1.3464 (Jun 12, 2019), with a median of $0.4696 per EA.
Are there cheaper alternatives to SILODOSIN 4 MG CAPSULE?
4 manufacturers publish a NADAC-priced product with the same active ingredient and strength as SILODOSIN 4 MG CAPSULE in a comparable dosage form, but none are currently priced below it.
Who manufactures SILODOSIN 4 MG CAPSULE?
SILODOSIN 4 MG CAPSULE (NDC 33342038407) is labeled by Macleods Pharmaceuticals Limited, and CMS classifies it as a generic product.