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Last Updated: January 29, 2026

DIMETANE-DX Drug Patent Profile


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Which patents cover Dimetane-dx, and what generic alternatives are available?

Dimetane-dx is a drug marketed by Robins Ah and is included in one NDA.

The generic ingredient in DIMETANE-DX is brompheniramine maleate; dextromethorphan hydrobromide; pseudoephedrine hydrochloride. There are twenty-one drug master file entries for this compound. Thirteen suppliers are listed for this compound. Additional details are available on the brompheniramine maleate; dextromethorphan hydrobromide; pseudoephedrine hydrochloride profile page.

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Summary for DIMETANE-DX
US Patents:0
Applicants:1
NDAs:1
DailyMed Link:DIMETANE-DX at DailyMed
Drug patent expirations by year for DIMETANE-DX

US Patents and Regulatory Information for DIMETANE-DX

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Robins Ah DIMETANE-DX brompheniramine maleate; dextromethorphan hydrobromide; pseudoephedrine hydrochloride SYRUP;ORAL 019279-001 Aug 24, 1984 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free ⤷  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

Market Dynamics and Financial Trajectory for the Pharmaceutical Drug: DIMETANE-DX

Last updated: August 19, 2025


Introduction

DIMETANE-DX, a combination medication containing diphenhydramine and dextromethorphan, primarily targets the symptomatic relief of cough and cold ailments. Despite its longstanding presence in the OTC (over-the-counter) pharmacopoeia, evolving market dynamics—driven by regulatory, technological, and consumer behavior shifts—shape its commercial outlook. Analyzing the historical performance, current landscape, and future prospects of DIMETANE-DX reveals vital insights for stakeholders aiming to navigate this saturated yet adaptable segment.


Market Overview and Segment Positioning

Historical Context

Traditionally, DIMETANE-DX has occupied a broad spectrum within cough and cold remedies, benefiting from widespread OTC availability and consumer familiarity. Its composition—an antihistamine coupled with a cough suppressant—addresses multiple symptomatic vectors, fostering its longstanding OTC popularity.

Competitor Landscape

The OTC cough and cold segment is highly competitive, with numerous entrants such as Robitussin, Mucinex, and Delsym, alongside newer formulations emphasizing natural ingredients or novel delivery mechanisms. Market share consolidation by major pharmaceutical companies has intensified, with key players leveraging extensive distribution channels and marketing budgets.

Regulatory Environment

Regulatory agencies like the FDA have scrutinized cough and cold products due to safety profiles—particularly concerning pediatric use, overdose risks, and abuse potential with dextromethorphan. This has led to stricter labeling, packaging restrictions, and, in certain jurisdictions, reformulation requirements. Such regulation influences market accessibility and product positioning.


Market Dynamics Affecting DIMETANE-DX

1. Consumer Trends and Behavior Shifts

Increasing health consciousness prompts consumers to favor natural, homeopathic, or minimally processed remedies, reducing reliance on traditional OTC medicines like DIMETANE-DX. Moreover, demographic shifts—particularly the aging population—drive demand for formulations tailored to older adults with multiple comorbidities, possibly favoring formulations with fewer sedative properties.

2. Regulatory Constraints and Safety Concerns

Dextromethorphan, a core component of DIMETANE-DX, has gained attention as a recreational drug of abuse when misused. Heightened regulation limits access and dispensation, particularly among youth. Heightened safety concerns can diminish OTC sales volume and prompt reformulation strategies.

3. Pharmaceutical Innovation and Formulation Trends

The rise of digital health tracking, personalized medicine, and combination therapies influences product development. Although DIMETANE-DX remains relatively straightforward, competitors are innovating with extended-release formulations, natural extracts, or multi-symptom products that threaten core market share.

4. Distribution and Marketing Channels

E-commerce and pharmacy chains dominate OTC product distribution. Advances in online retailing permit direct-to-consumer marketing, but also introduce transparency and price sensitivity. Large pharmaceutical firms with established distribution networks hold a competitive advantage over smaller players or private-label brands.

5. Reimbursement and Healthcare Integration

While OTC products typically do not require reimbursement, increasing integration of OTC medications into broader healthcare programs exerts indirect influence. Pharmacists and healthcare providers increasingly recommend or restrict certain OTC drugs based on safety data, which may hinder or enhance market access depending on evolving guidelines.


Financial Trajectory Analysis

Historical Revenue Performance

While specific sales data for DIMETANE-DX remain proprietary or fragmented, the generic cough and cold segment experienced fluctuations due to seasonal demand, regulatory impacts, and consumer preferences. In mature markets such as North America and Western Europe, sales have plateaued or declined marginally, reflective of market saturation and substitution effects.

Revenue Drivers

  • Seasonality: Surge during autumn and winter months aligns with increased respiratory illness prevalence.
  • Regulatory Impact: Potential sales depreciation due to restrictions on dextromethorphan formulations among youth populations.
  • Consumer Preferences: Shift toward natural remedies may suppress conventional OTC sales, impacting revenue streams.
  • Pricing Strategies: Premium pricing is limited by intense competition and consumer price sensitivity; margin pressure persists.

Future Revenue Projections

Given these dynamics, a conservative CAGR of approximately 1–2% over the next five years is plausible, contingent on regulatory developments and consumer trends. A pivot towards reformulation, natural alternatives, or new delivery systems could bolster growth or mitigate declines.

Investment and R&D Outlook

Pharmaceutical companies investing in reformulations—such as non-sedative variants or combination therapies with novel actives—may create new revenue streams. Moreover, strategic alliances with digital health platforms could open data-driven personalized treatment avenues, potentially enhancing profitability.


Key Market Drivers and Risks

Drivers Risks
Consumer demand for effective OTC remedies Regulatory restrictions on dextromethorphan use
Innovations in drug formulations Market preference shifting toward natural products
Expansion of distribution channels Increasing competition and price compression
Technological advancements in health monitoring Supply chain disruptions affecting OTC availability

Strategic Implications for Stakeholders

  • Pharmaceutical Manufacturers: Emphasize reformulation strategies aligning with regulatory standards and consumer trends; explore natural or non-sedative alternatives.

  • Investors: Prioritize companies with R&D pipelines focusing on innovative formulations or digital integration in the OTC segment.

  • Regulatory Bodies: Maintain balanced oversight that safeguards public health without stifling product innovation.

  • Retailers and Distributors: Adapt product portfolios to evolving consumer preferences, emphasizing natural and health-tracking solutions.


Conclusion

The market dynamics surrounding DIMETANE-DX are shaped by a confluence of regulatory, consumer, and technological factors. While the traditional OTC cough and cold sector faces headwinds from safety concerns and evolution toward natural remedies, strategic innovation and agile marketing can sustain modest growth or extend product relevance. Financial trajectories are therefore cautiously optimistic, provided stakeholders adapt proactively to the shifting landscape.


Key Takeaways

  • Market saturation and regulatory scrutiny challenge the long-term growth of existing formulations like DIMETANE-DX.
  • Innovative reformulations and natural alternatives present opportunities for revitalizing product offerings.
  • Consumer trends favoring natural remedies and digital health integration require strategic adaptation.
  • A conservative growth outlook suggests minimal revenue expansion unless significant product innovation occurs.
  • Stakeholders must align R&D, marketing, and regulatory strategies to navigate complexities and unlock new value in the OTC cough and cold segment.

FAQs

1. What are the main competitors to DIMETANE-DX in the OTC cough and cold market?
Major competitors include products like Robitussin, Mucinex, Delsym, and natural remedy brands, which offer similar symptomatic relief with varying formulations and marketing strategies.

2. How do regulatory changes impact the sales of products containing dextromethorphan?
Regulatory restrictions—aimed at curbing abuse—limit access, require re-labeling, and sometimes restrict sale points, thereby reducing market reach and revenue potential.

3. Are there emerging formulation trends that could threaten DIMETANE-DX’s market position?
Yes. The development of non-sedative, natural, or multi-symptom products, along with novel delivery systems like dissolvable strips or gummies, pose competitive threats.

4. How does consumer preference for natural remedies influence DIMETANE-DX’s future?
The shift toward natural and herbal products reduces the demand for traditional OTC medications like DIMETANE-DX, necessitating strategic innovation for continued relevance.

5. What strategic steps can manufacturers take to extend DIMETANE-DX’s market lifespan?
Investing in reformulation for safety and efficacy, integrating digital health solutions, and marketing natural or alternative formulations can help maintain competitiveness.


Sources

[1] IMS Health. (2022). Over-the-Counter Medicine Market Reports.
[2] FDA. (2021). Guidance for Industry: Cough and Cold Products.
[3] Statista. (2023). OTC Medicine Market Trends.
[4] Pharmaceutical Technology. (2022). Innovations in OTC Formulations.
[5] MarketWatch. (2023). Consumer Trends in OTC Medications.

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