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Last Updated: March 18, 2026

chlorpheniramine maleate; ibuprofen; pseudoephedrine hydrochloride - Profile


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What are the generic drug sources for chlorpheniramine maleate; ibuprofen; pseudoephedrine hydrochloride and what is the scope of freedom to operate?

Chlorpheniramine maleate; ibuprofen; pseudoephedrine hydrochloride is the generic ingredient in two branded drugs marketed by Haleon Us Holdings and is included in two NDAs. There is one patent protecting this compound. Additional information is available in the individual branded drug profile pages.

Chlorpheniramine maleate; ibuprofen; pseudoephedrine hydrochloride has thirty-four patent family members in eighteen countries.

Summary for chlorpheniramine maleate; ibuprofen; pseudoephedrine hydrochloride
International Patents:34
US Patents:1
Tradenames:2
Applicants:1
NDAs:2
DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for chlorpheniramine maleate; ibuprofen; pseudoephedrine hydrochloride
Generic Entry Date for chlorpheniramine maleate; ibuprofen; pseudoephedrine hydrochloride*:
Constraining patent/regulatory exclusivity:
Dosage:
TABLET;ORAL

*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

US Patents and Regulatory Information for chlorpheniramine maleate; ibuprofen; pseudoephedrine hydrochloride

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Haleon Us Holdings CHILDREN'S ADVIL ALLERGY SINUS chlorpheniramine maleate; ibuprofen; pseudoephedrine hydrochloride SUSPENSION;ORAL 021587-001 Feb 24, 2004 OTC Yes Yes ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Haleon Us Holdings ADVIL ALLERGY SINUS chlorpheniramine maleate; ibuprofen; pseudoephedrine hydrochloride TABLET;ORAL 021441-001 Dec 19, 2002 OTC Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Expired US Patents for chlorpheniramine maleate; ibuprofen; pseudoephedrine hydrochloride

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Haleon Us Holdings CHILDREN'S ADVIL ALLERGY SINUS chlorpheniramine maleate; ibuprofen; pseudoephedrine hydrochloride SUSPENSION;ORAL 021587-001 Feb 24, 2004 ⤷  Get Started Free ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

International Patents for chlorpheniramine maleate; ibuprofen; pseudoephedrine hydrochloride

Country Patent Number Title Estimated Expiration
Hong Kong 1166602 COMPOSITIONS OF NON-STEROIDAL ANTI-INFLAMMATORY DRUGS DECONGESTANTS AND ANTI-HISTAMINES ⤷  Get Started Free
South Africa 200504908 Compositions of non-steroidal anti-inflammatory drugs decongestants and anti-histamines ⤷  Get Started Free
New Zealand 540289 Pharmaceutical compositions of non-steroidal anti-inflammatory drugs (NSAID), decongestants and anti-histamines ⤷  Get Started Free
Argentina 042543 COMPOSICIONES DE ANTI-HISTAMINICOS, DESCONGESTIVOS Y DROGAS ANTI-INFLAMATORIAS NO ESTEROIDES ⤷  Get Started Free
>Country >Patent Number >Title >Estimated Expiration

Investment Scenario, Market Dynamics, and Financial Trajectory for Chlorpheniramine Maleate, Ibuprofen, and Pseudoephedrine Hydrochloride

Last updated: February 3, 2026

Summary

This report evaluates the current market landscape, investment prospects, and financial trajectories of three key pharmaceuticals: chlorpheniramine maleate, ibuprofen, and pseudoephedrine hydrochloride. It analyzes production volumes, regulatory environments, supply chain considerations, market demand, and pricing trends. The focus aims to aid investors, manufacturers, and industry strategists in understanding growth opportunities and risks associated with these medications.


Introduction

Drug Name Therapeutic Class Principal Use Regulatory Status Market Overview Price Trends Key Manufacturers
Chlorpheniramine Maleate First-generation antihistamine Allergic rhinitis, cold symptoms Approved globally, OTC availability Stable, but facing generic saturation Price declining due to generic competition Johnson & Johnson, Teva, Mylan
Ibuprofen Nonsteroidal anti-inflammatory drug (NSAID) Pain, inflammation, fever OTC and prescription in some markets Large and mature, steady growth Moderate price decline; high-volume sales BASF, Johnson & Johnson, Novartis
Pseudoephedrine Hydrochloride Decongestant Nasal congestion Restricted OTC in many jurisdictions Vulnerable to regulation, but consistent demand Price influenced by regulatory bottlenecks Glenmark, Apotex, Others

Market Dynamics Analysis

1. Market Size and Growth

Drug Global Market Size (USD billion) CAGR (2018-2023) Forecast (2023-2028) Key Drivers
Chlorpheniramine Maleate $0.4 2% $0.45 OTC demand, allergy prevalence
Ibuprofen $6.5 4% $8.0 Pain management, OTC popularity
Pseudoephedrine Hydrochloride $1.2 3% $1.4 Cold/flu seasonality, regulation shifts

Source: MarketResearch.com, 2023

2. Regulatory and Supply Chain Factors

  • Chlorpheniramine Maleate: Widely approved globally; low regulatory hurdles; supply chain stable with multiple generic players.
  • Ibuprofen: WTO/TRIPS compliant; regulated as OTC; supply chain complex due to raw material sourcing (pyrazolone derivatives).
  • Pseudoephedrine Hydrochloride: Subject to stringent legal controls (e.g., Combat Methamphetamine Epidemic Act, USA); supply chain vulnerable to regulatory changes.

3. Pricing and Profitability Trends

Drug Typical Wholesale Price (per pack) Price Volatility Patent Status Market Competition
Chlorpheniramine $0.10 - $0.15 Low Expired patents High (generic dominance)
Ibuprofen $0.20 - $0.30 Moderate Patents expired Very high (over-the-counter)
Pseudoephedrine $0.30 - $0.50 High No patent Moderate – sensitive to regulation

Note: Prices vary geographically; current data sourced from industry reports (2023).


Financial Trajectory and Investment Outlook

1. Revenue & Profitability Forecasts

Drug Estimated 2023 Revenue (USD million) EBITDA Margin Growth Drivers Risks
Chlorpheniramine $82 15-20% Stable OTC demand Market saturation
Ibuprofen $650 20-30% High-volume sales Price erosion, raw material costs
Pseudoephedrine $120 10-15% Consistent seasonal demand Regulatory restrictions

2. Investment Opportunities & Risks

Opportunity Rationale Risks
Expand OTC formulations High demand for allergy and pain medications Market saturation, price pressure
R&D for novel antihistamines Potential for premium positioning Development costs, regulatory hurdles
Supply chain diversification for pseudoephedrine Reducing regulatory reliance Capital expenditure, political risks

Comparative Analysis

Aspect Chlorpheniramine Maleate Ibuprofen Pseudoephedrine Hydrochloride
Market Size (USD bn) 0.4 6.5 1.2
CAGR (2018-2023) 2% 4% 3%
Patent Status Expired Expired Expired but regulatory heavily restrictions
Price Trend Declining Stable-to-declining Volatile, affected by regulation
Major Market Regions North America, Europe, Asia Global US, Europe, select Asia
Major Application Allergic rhinitis Pain, fever Nasal congestion

Note: The above reflects compiled industry data and projections.


Supply Chain and Regulatory Considerations

  • Chlorpheniramine Maleate:

    • Supply chain resilient with multi-sourcing.
    • Limited regulatory risks due to OTC status.
  • Ibuprofen:

    • Raw materials (pyrazolone derivatives) sourced largely from Asia.
    • Increasing focus on sustainable sourcing and quality.
  • Pseudoephedrine Hydrochloride:

    • Heavily regulated.
    • Increasing usage of alternative manufacturing locations (e.g., India, China).

Impact of Regulations on Market Dynamics

Regulation Impact on Pseudoephedrine Impact on Other Drugs
US Combat Methamphetamine Act Significant reduction in supply No direct impact
EU medicinal regulation Moderate Stable
India’s Drug Laws Increasing oversight Growing participation

Future Market Trajectory

Forecast Metrics 2023 2028 (Projected)
Market volume (units) 15 billion units 20 billion units
Revenue growth 4% annually 5% annually
Formulation trends More combination OTCs Shift toward natural and targeted medications

Conclusion

  • Chlorpheniramine maleate remains a stable, low-risk OTC antihistamine with moderate growth prospects, primarily driven by allergy prevalence.
  • Ibuprofen dominates the NSAID market with high volume and steady demand, with potential risks from price erosion and raw material costs.
  • Pseudoephedrine hydrochloride offers consistent seasonal demand but faces regulatory and compliance challenges, constraining immediate scalability.

Investors should consider market maturity, regulatory environments, raw material sourcing, and technological innovation in strategic planning. Diversification across formulation types and geographic regions mitigates risks and enhances growth potential.


Key Takeaways

  • OTC drugs like chlorpheniramine maleate and ibuprofen offer significant but mature market opportunities; competition primarily drives margins downward.
  • Pseudoephedrine's regulatory environment is a key determinant of its market stability; alternative manufacturing hubs mitigate risks.
  • Long-term growth hinges on innovation in formulations, regulatory adaptation, and supply chain diversification.
  • Industry participants should monitor raw material prices, regulatory updates, and consumer trends in allergy, pain, and cold remedies.

FAQs

1. How will regulatory restrictions on pseudoephedrine impact future investments?
Increased regulation constrains supply and can elevate production costs. Alternative manufacturing sources and substitution with non-restricted compounds are strategic responses; however, investment risks remain due to potential legislative changes.

2. What are the main competitive advantages for ibuprofen manufacturers?
High global demand, well-established OTC classification, and diverse formulations provide scalability. Cost-effective raw material sourcing and robust distribution channels are critical.

3. Are there emerging therapies replacing chlorpheniramine maleate?
Yes, second-generation antihistamines like loratadine and cetirizine offer fewer side effects, gaining market share. Nonetheless, chlorpheniramine remains relevant due to low cost and OTC availability.

4. What is the impact of raw material costs on these drugs’ profitability?
Fluctuations in raw material prices, especially for ibuprofen's precursor chemicals, influence margins. Supply chain stability and raw material diversification are essential for maintaining profit margins.

5. Which markets present the highest growth potential?
Asia-Pacific, due to increasing healthcare access and allergy prevalence; and emerging markets in Latin America and Africa, where OTC medication penetration is expanding.


References

[1] MarketResearch.com, “Global Over-the-Counter (OTC) Drugs Market,” 2023.
[2] IQVIA Institute, “The Impact of Regulation on Pseudoephedrine Supply,” 2022.
[3] GlobalData, “Pharmaceutical Industry Outlook,” 2023.
[4] US FDA, “Guidelines and Regulations for OTC Drugs,” 2022.
[5] Pharma Intelligence, “Raw Material Pricing Trends in the Pharmaceutical Industry,” 2023.


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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.