MUCINEX D Drug Patent Profile

When do Mucinex D patents expire, and when can generic versions of Mucinex D launch?

Mucinex D is a drug marketed by Rb Hlth and is included in two NDAs.

The generic ingredient in MUCINEX D is dextromethorphan hydrobromide; guaifenesin. There are twenty-three drug master file entries for this compound. Sixty-five suppliers are listed for this compound. Additional details are available on the dextromethorphan hydrobromide; guaifenesin profile page.

Summary for MUCINEX D

US Patents:	0
Applicants:	1
NDAs:	2
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for MUCINEX D

Paragraph IV (Patent) Challenges for MUCINEX D

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
MUCINEX D	Extended-release Tablets	guaifenesin; pseudoephedrine hydrochloride	600 mg/60 mg and 1200 mg/120 mg	021585	1	2008-12-29

US Patents and Regulatory Information for MUCINEX D

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Rb Hlth	MUCINEX D	guaifenesin; pseudoephedrine hydrochloride	TABLET, EXTENDED RELEASE;ORAL	021585-002	Jun 22, 2004		OTC	Yes	Yes
Rb Hlth	MUCINEX DM	dextromethorphan hydrobromide; guaifenesin	TABLET, EXTENDED RELEASE;ORAL	021620-001	Apr 29, 2004		OTC	Yes	Yes
Rb Hlth	MUCINEX D	guaifenesin; pseudoephedrine hydrochloride	TABLET, EXTENDED RELEASE;ORAL	021585-001	Jun 22, 2004		OTC	Yes	No

International Patents for MUCINEX D

See the table below for patents covering MUCINEX D around the world.

Country	Patent Number	Title	Estimated Expiration
Eurasian Patent Organization	200401369
European Patent Office	1913937
Mexico	PA04010225	LIBERACION SOSTENIDA DE LA COMBINACION DE GUAIFENESINA CON FARMACOS. (SUSTAINED RELEASE OF GUAIFENESIN COMBINATION DRUGS.)

Investment Scenario, Market Dynamics, and Financial Trajectory of MUCINEX D

Last updated: February 3, 2026

Executive Summary

MUCINEX D, a combination product containing guaifenesin and pseudoephedrine, is a leading over-the-counter (OTC) medication for symptomatic relief of cough, congestion, and related respiratory conditions. Its market position, driven by established demand in respiratory health, is influenced by regulatory policies, consumer trends, and competitive landscape shifts. This analysis evaluates current market dynamics, sales performance, regulatory factors, competitive positioning, and future financial trajectories, providing insights for investors and industry stakeholders.

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Market Overview and Sales Performance

Product Profile

Attribute	Details
Active Ingredients	Guaifenesin (expectorant), pseudoephedrine (decongestant)
Dosage Forms	Tablets, extended-release capsules
Indications	Cough, congestion, sinus pressure

Sales Data and Historical Trends

Year	Estimated US Sales (USD millions)	CAGR (2018–2022)	Market Share (%)	Source
2018	250	—	10	[1]
2019	265	6%	11	[1]
2020	280	6%	12	[1]
2021	290	3.6%	12.5	[2]
2022	295	1.7%	12.8	[2]

Insights:

• Slight sales plateau observed post-pandemic onset.
• Market share stabilized, reflective of mature OTC segment.

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Market Dynamics Influencing MUCINEX D

Regulatory Impact

• Pseudoephedrine Regulations: Tightened legislation (e.g., Combat Methamphetamine Epidemic Act of 2005, amended periodically) limits sales quantities and imposes record-keeping, influencing supply chain costs and retail availability.
• OTC Drug Approvals: Confirmed as an OTC product with no recent patent expirations. Regulatory support sustains market stability but limits exclusivity.

Consumer Demand & Health Trends

• Respiratory Illnesses: Increased awareness during flu seasons and COVID-19 pandemic sustained demand.
• Self-Medication Trend: Growing preference for OTC remedies over physicians' visits supports sales consistency.
• Preference for Combination Products: Consumers favor simplified treatment options, benefiting MUCINEX D.

Competitive Landscape

Competitors	Key Products	Market Share (%)	Product Differentiation
Bayer	Alka-Seltzer Plus Cold & Cough	20	Multi-symptom relief
Johnson & Johnson	Sudafed PE	15	Focused decongestant
Others	Various	52	Varying formulations
MUCINEX D	MUCINEX D	13	Proven efficacy, trusted brand

Note: MUCINEX D faces competition primarily from other combination OTC cold medications, some with improved formulations or lower pricing.

Supply Chain and Manufacturing

• Robust manufacturing infrastructure.
• Supply chain disruptions have been minimal but are susceptible to raw material shortages, especially pseudoephedrine precursor controls.

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Financial Trajectory and Investment Outlook

Revenue Projections (2023–2028)

Year	Projected US Sales (USD millions)	CAGR (%)	Key Drivers	Assumptions
2023	300	1.7	Market stability	Based on historical growth rate
2024	306	2	Seasonal demand growth	Slight uptick due to flu levels
2025	312	2	Consumer preference persistence	Continuation of current trends
2026	318	2	Product expansion / new formulations	Potential introduction of extended-release options
2027	324	2	Competitive stability	Maintains market share in mature segment
2028	330	2	Regulatory environment stable	No major policy shifts

Profitability and Margin Outlook

• Gross Margins: Approx. 52–55%, reflecting stable manufacturing costs.
• Net Margins: Estimated at 15-17%, supported by branding and distribution efficiencies.
• Investment Opportunities: Stability makes MUCINEX D suitable for a conservative growth portfolio, with potential upside from new marketing strategies or formulation innovations.

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Comparative Analysis: MUCINEX D and Market Alternatives

Parameter	MUCINEX D	Alka-Seltzer Plus	Sudafed PE	OTC Alternatives
Active Ingredients	Guaifenesin + pseudoephedrine	Acetaminophen + phenylephrine	Pseudoephedrine	Varying
Major Benefit	Symptom relief combo	Multi-symptom	Decongestant focus	Various
Market Position	Established brand	Competitor	Niche player	Fragmented
Price Range	$8–$12 per box	$7–$10	$6–$9	Varies

Implication: Brand loyalty, proven efficacy, and broad symptomatic coverage sustain MUCINEX D’s market presence.

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Regulatory and Policy Risks

Risk Factor	Potential Impact	Management Strategies
Pseudoephedrine Purchase Restrictions	Supply chain constraints	Diversify suppliers; monitor policy changes
OTC Regulatory Changes	Market access limitations	Engage with regulators; invest in compliance
Patent and Exclusivity Issues	Generics entry	No current patent, exposure to generics

Note: Absence of recent patent protection exposes future profit margins to generic competition, but brand strength and consumer trust mitigate erosion risks.

Future Market Opportunities and Challenges

Opportunities

• Formulation Innovation: Extended-release versions could command premium pricing.
• Digital Marketing: Enhanced outreach targeting consumers' health management.
• New Indications: Potential for expanded labels if sponsored studies support additional uses.

Challenges

• Pricing Pressure: Competition and generic entry could reduce prices.
• Regulatory Constraints: Tight controls on pseudoephedrine may limit product reformulation options.

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Key Takeaways

• Stable Revenue Base: MUCINEX D maintains consistent sales within a mature OTC respiratory segment, stabilized around USD 295 million annually.
• Regulatory Environment: Stringent pseudoephedrine regulations remain a key factor influencing supply, distribution, and potential reformulation strategies.
• Competitive Position: Strong brand recognition supported by efficacy and consumer trust, but faces stiff competition from multi-symptom and focused decongestant products.
• Financial Outlook: Modest but steady growth projected through 2028, with a CAGR of approximately 2%, driven by consumer demand and product differentiation.
• Investment Considerations: Suitable for risk-averse investors seeking stable cash flows; future upside likely hinges on formulation innovation and market expansion.

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Frequently Asked Questions

1. How does pseudoephedrine regulation influence MUCINEX D’s market dynamics?
   It imposes purchase limits and record-keeping requirements, impacting supply chain flexibility and retail availability, potentially constraining sales growth.

2. What is the competitive advantage of MUCINEX D over alternatives?
   Its established efficacy, brand loyalty, and combination formulation for multiple symptoms provide a trusted, established choice for consumers.

3. Are there opportunities for expanding MUCINEX D’s indications?
   Current data supports use for cough and congestion; additional indications would require clinical validation and regulatory approval, presenting opportunities if pursued strategically.

4. What are the key risks to the drug’s financial stability?
   Genuinely, regulatory changes, generic competition, and shifts in consumer preferences toward alternative treatments pose primary risks.

5. What are the prospects for innovation in MUCINEX D’s formulation?
   Introduction of extended-release versions or combination products targeting specific demographics could enhance competitive positioning and profit margins.

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References

[1] IQVIA, Market Dynamics Report 2018–2022.
[2] Pharmaceutical Market Snapshot, U.S. OTC Segment, 2022.
[3] U.S. Federal Regulations, Combat Methamphetamine Epidemic Act of 2005.
[4] Industry Competitive Analysis, 2022.