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Last Updated: March 26, 2026

SUDAFED 12 HOUR Drug Patent Profile


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When do Sudafed 12 Hour patents expire, and what generic alternatives are available?

Sudafed 12 Hour is a drug marketed by Glaxosmithkline and Mcneil Cons and is included in two NDAs.

The generic ingredient in SUDAFED 12 HOUR is pseudoephedrine hydrochloride. There are forty-nine drug master file entries for this compound. Thirty-three suppliers are listed for this compound. Additional details are available on the pseudoephedrine hydrochloride profile page.

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Summary for SUDAFED 12 HOUR
Drug patent expirations by year for SUDAFED 12 HOUR
Recent Clinical Trials for SUDAFED 12 HOUR

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
John Muir HealthN/A
National Heart, Lung, and Blood Institute (NHLBI)Early Phase 1
National Center for Advancing Translational Science (NCATS)Early Phase 1

See all SUDAFED 12 HOUR clinical trials

US Patents and Regulatory Information for SUDAFED 12 HOUR

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Glaxosmithkline SUDAFED 12 HOUR pseudoephedrine hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 017941-002 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Mcneil Cons SUDAFED 12 HOUR pseudoephedrine hydrochloride TABLET, EXTENDED RELEASE;ORAL 073585-001 Oct 31, 1991 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

SUDAFED 12 HOUR Market Analysis and Financial Projection

Last updated: February 6, 2026

Market Dynamics of SUDAFED 12 HOUR

SUDAFED 12 HOUR is an over-the-counter (OTC) nasal decongestant containing pseudoephedrine, marketed primarily for relief of nasal congestion associated with cold and allergy symptoms. Its market environment is shaped by regulatory constraints, consumer demand for efficacy, and competition from alternative medications.

Regulatory Environment

The Drug Enforcement Administration (DEA) and Food and Drug Administration (FDA) regulate pseudoephedrine products. In the US, the Combat Methamphetamine Epidemic Act of 2005 restricted sales of pseudoephedrine to combat methamphetamine production, resulting in:

  • Sales Limits: 3.6 grams per day; 9 grams per month per purchaser.
  • Sales Records: Retailers must maintain logs for OTC pseudoephedrine sales.
  • Storage Requirements: Products stored behind counters or locked boxes.

These regulations diminish OTC sales volume, especially in retail channels, constraining overall market size.

Consumer Demand

SUDAFED 12 HOUR appeals to consumers seeking extended relief with a single dose. Its 12-hour dosing interval competes with 4-6 hour formulations. Key demand factors include:

  • Efficacy: Perceived longer relief increases appeal.
  • Convenience: Once or twice daily dosing enhances adherence.
  • Price: Price points align with other OTC decongestants, typically in the $8-$12 range per pack.

However, increased use of natural remedies and non-medicinal approaches to congestion management limits growth potential.

Competitive Landscape

Major competitors include:

  • Phenylephrine-based formulations: Often marketed as non-ephedrine alternatives.
  • Combination products: Cough and cold medications with multiple active ingredients.
  • Alternative delivery systems: Nasal sprays, oral tablets, and liquids.

Market share shifts favor products with fewer regulatory restrictions and perceived safety advantages. Despite its efficacy, SUDAFED 12 HOUR faces competition from phenylephrine formulations that are not limited by pseudoephedrine restrictions.


Financial Trajectory of SUDAFED 12 HOUR

Pharmaceutical revenues from SUDAFED 12 HOUR are influenced by sales volume, pricing strategies, regulatory changes, and competitive pressures. Current trends and projections are as follows:

Sales Volume and Revenue Trends

  • Historical sales: Peak sales occurred before 2005, with annual US OTC pseudoephedrine product sales exceeding $150 million.
  • Post-regulation decline: Sales have declined approximately 30-50% since restrictions, with current US OTC pseudoephedrine sales estimated at around $80-$100 million annually (source: IQVIA).
  • Distribution: Primarily through retail chains, drug stores, and online pharmacies.

Pricing Strategies

  • Average retail price: Approximate $10 per pack.
  • Price elasticity: Limited due to OTC status, with consumers sensitive to minor price changes.
  • Market segmentation: Premium positioning in some markets, but largely driven by price competition.

Regulatory Impact

Regulations limit supply chain flexibility and sales volume, directly impacting revenue. Manufacturers may employ strategies such as:

  • Promoting combination products.
  • Focusing on international markets with less stringent pseudoephedrine controls.
  • Developing new formulations with alternative active ingredients.

Investment and R&D Trends

Limited R&D investment is observed due to the stable OTC status and declining market growth. Major pharmaceutical companies have shifted focus toward prescription medications and specialty care.

Future Outlook

  • Market stagnation: Growth prospects remain constrained by regulation and competition.
  • Potential shifts: Legislative efforts to ease pseudoephedrine restrictions could revitalize sales but face political and public health opposition.
  • Global market potential: Opportunities exist in countries with less regulation, notably in Latin America and Asia.

Key Influencing Factors

Factor Impact
Regulatory restrictions Reduce sales volume; elevate compliance costs
Consumer preference Favors longer-acting formulations; limits growth for pseudoephedrine products
Competition Phenylephrine alternatives; OTC combination products dominate market
Price sensitivity Limits pricing power; keeping margins tight
International markets Potential growth from less regulated regions

Conclusion

SUDAFED 12 HOUR faces a constrained market environment shaped by rigorous regulations, shifting consumer preferences, and intense competition. Its financial trajectory is characterized by declining or stagnant sales in the US, with limited upside absent legislative changes or innovation. The product remains relevant where high efficacy and extended dosing are valued but offers limited growth potential domestically.


Key Takeaways

  • Pseudoephedrine-based products like SUDAFED 12 HOUR are limited in growth by regulations enacted post-2005.
  • Consumer demand favors longer-acting decongestants, but regulatory barriers mitigate market expansion.
  • Competition from phenylephrine formulations and combination OTC medications dominates shelf space.
  • US sales have declined by approximately 30-50% since 2005, with current annual revenues estimated at $80-$100 million.
  • International markets present growth opportunities where pseudoephedrine regulations are less stringent.

FAQs

1. How do regulations affect the sales of SUDAFED 12 HOUR?
Regulations restrict pseudoephedrine sales through quantity limits, tamper-proof storage, and sales logging. These measures lower consumer access and restrict market volume, leading to decreased sales.

2. What are the main competitors to SUDAFED 12 HOUR?
Prominent competitors include phenylephrine-based decongestants, which are not subject to same restrictions, and combination cold medicines offering multiple active ingredients.

3. Has the demand for SUDAFED 12 HOUR increased or decreased recently?
Demand has decreased since 2005 due to regulatory restrictions and competition, with a 30-50% decline in US OTC pseudoephedrine sales.

4. Are there development efforts to expand SUDAFED’s market?
Limited R&D is ongoing. Companies focus on marketing existing formulations or expanding into less regulated international markets.

5. What is the potential impact of legislative easing of pseudoephedrine restrictions?
Easing restrictions could lead to a resurgence in sales, but such policy changes face opposition due to concerns over methamphetamine precursor trafficking.


Sources

  1. IQVIA, OTC Pseudoephedrine Market Data, 2022
  2. US DEA, Combat Methamphetamine Epidemic Act, 2005
  3. FDA, OTC Drug Monographs, 2021
  4. MarketResearch.com, OTC Cold & Allergy Market Analysis, 2022
  5. Congressional Reports, Pseudoephedrine Regulations, 2021

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