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Last Updated: December 12, 2025

PHERAZINE W/ CODEINE Drug Patent Profile


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When do Pherazine W/ Codeine patents expire, and when can generic versions of Pherazine W/ Codeine launch?

Pherazine W/ Codeine is a drug marketed by Halsey and is included in one NDA.

The generic ingredient in PHERAZINE W/ CODEINE is codeine phosphate; promethazine hydrochloride. There are nineteen drug master file entries for this compound. Five suppliers are listed for this compound. Additional details are available on the codeine phosphate; promethazine hydrochloride profile page.

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Summary for PHERAZINE W/ CODEINE
Drug patent expirations by year for PHERAZINE W/ CODEINE

US Patents and Regulatory Information for PHERAZINE W/ CODEINE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Halsey PHERAZINE W/ CODEINE codeine phosphate; promethazine hydrochloride SYRUP;ORAL 088739-001 Dec 23, 1988 DISCN No 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 PHERAZINE W/ CODEINE

Last updated: August 4, 2025

Introduction

Pherazine W/ Codeine combines promethazine, an antihistamine, with codeine, a potent opioid analgesic, primarily used for allergy relief, nausea, vomiting, and cough suppression. Its market dynamics stem from evolving regulatory landscapes, shifting prescribing practices, and societal concerns regarding opioid dependence. Analyzing its financial trajectory requires assessing current pharmaceutical trends, regulatory pressures, patent status, and competitive landscape.

Market Landscape and Demand Drivers

Medical Indications and Usage Trends

Pherazine W/ Codeine has an established presence in the treatment of allergic reactions, motion sickness, and cough management. Despite being a longstanding combination, recent trends favor non-opioid alternatives due to the potential for misuse. The global allergy medications market, valued at approximately USD 23 billion in 2022, sustains demand for antihistamines like promethazine.

However, the opioid component's contribution is increasingly scrutinized, affecting prescription volumes. Medical guidelines worldwide lean toward minimizing opioid use, especially for cough suppressants, influencing overall sales trajectories.

Regulatory Environment and Restrictions

The regulatory climate significantly impacts market stability. In the United States, the Drug Enforcement Administration (DEA) classifies codeine-containing products as controlled substances (Schedule V), leading to stricter prescribing regulations. The FDA issued warnings in 2018 regarding codeine use in children, further dampening demand [1]. Similar restrictions exist in Europe and several Asian markets, with many countries discontinuing or restricting codeine-based drugs.

Regulatory agencies' tightening of controls diminishes the drug's market size, compelling manufacturers to innovate or reposition their product offerings.

Production and Patent Factors

Pherazine W/ Codeine's patent status influences its financial trajectory. With many formulations now off-patent, generic manufacturers dominate the market, exerting downward pressure on prices. Brand-name producers face biosimilar competition, compelling price adjustments. Patent expirations have also fostered market saturation, reducing profitability margins.

Market Competition

The landscape features both generic and branded competitors offering non-opioid cough suppressants and antihistamines. Alternatives like dextromethorphan are increasingly preferred for their safety profiles. Additionally, emerging therapies in allergy and cough management, often leveraging novel mechanisms, threaten Pherazine W/ Codeine’s market share.

Financial Trajectory Analysis

Historical Performance

Historically, Pherazine W/ Codeine experienced steady sales driven by widespread use. However, recent years reflect a decline owing to regulatory restrictions, safety concerns, and market shifts toward safer alternatives.

Data from IMS Health indicates a compound annual growth rate (CAGR) of approximately 2% in the early 2010s, declining to near zero or negative in subsequent years. The product's revenue contribution has waned, particularly in North America and Europe, where restrictions are more stringent.

Current Financial Outlook

The current financial outlook suggests diminishing revenues in mature markets. Companies with significant OTC and prescription portfolios may offset declines through diversification. In emerging markets with less regulation, market opportunities persist, although quality and safety concerns limit growth potential.

Future Projections

Projections over the next five years forecast continued decline in Pherazine W/ Codeine sales in regulated markets, compounded by the trend toward non-opioid therapies and regulatory restrictions. Conversely, niche markets with lax regulation or unmet needs could sustain some demand.

Innovative repositioning, such as reformulations or combination therapies that replace codeine with non-opioid agents, may revive the product's financial prospects. Significant investment in regulatory compliance and safety evaluations could open avenues for renewed market access.

Regulatory and Ethical Considerations

The increasing regulatory thresholds for opioids, driven by the opioid epidemic and safer prescribing protocols, pose substantial challenges. Several countries impose strict quantification, reporting, and prescription tracking for codeine products. Manufacturers must adapt, often leading to higher compliance costs, reduced market size, and potential liabilities.

Furthermore, societal and legal concerns about opioid misuse influence public perception and prescribing habits, often negatively impacting pharmaceutical sales and profitability.

Market Entry and Expansion Strategies

For stakeholders seeking the future potential of Pherazine W/ Codeine, strategies include:

  • Formulation Innovation: Developing non-opioid alternatives or combination drugs with safer profiles.
  • Regulatory Engagement: Proactively working with authorities to modify restrictions or gain new approvals based on safety data.
  • Geographical Diversification: Targeting emerging markets with less regulatory oversight.
  • Brand Positioning: Emphasizing safety, efficacy, and appropriate usage to differentiate from competitors.

Impact of Generic Competition

Generic manufacturers have saturated the market, leading to price erosion and margin compression. Patent expirations for formulations originally marketed decades ago have catalyzed the proliferation of lower-cost alternatives. Consequently, brand-name revenue streams have diminished, influencing the overall financial trajectory negatively.

Key Market Challenges

  • Safety Concerns: Heightened scrutiny regarding opioid-related side effects and misuse.
  • Regulatory Restrictions: Stringent controls limit prescription and distribution.
  • Market Saturation: Widespread generic availability reduces profitability.
  • Shift to Non-opioid Alternatives: Increasing preference for safer medications.

Key Opportunities and Future Outlook

Despite challenges, opportunities exist through innovation, regulatory collaboration, and targeting unregulated or less-regulated markets:

  • Reformulation and Repositioning: Creating non-opioid versions or combining with novel agents.
  • Enhanced Safety Profile: Generating data to ease regulatory pathways.
  • Market Segmentation: Focused strategies on regions with lax opioid regulations.

Conclusion

Pherazine W/ Codeine's market dynamics are characterized by diminishing demand in regulated markets, increased competition, and societal shifts favoring opioid-sparing therapies. Financial prospects hinge on strategic innovation, regulatory navigation, and global diversification. While current trends suggest a decline, niche opportunities persist if stakeholders adapt proactively.


Key Takeaways

  • Regulatory pressure and societal concerns about opioids are primary drivers reducing Pherazine W/ Codeine’s market size.
  • Generic competition and patent expiries have exerted downward pressure on prices and profit margins.
  • Forecasts project continued revenue decline in mature markets, with future growth contingent on innovation and geographic expansion.
  • Market entry strategies should emphasize safety, reformulation, and regulatory engagement to mitigate declining trends.
  • Emerging markets and product repositioning offer potential growth pathways amid mature market contractions.

FAQs

1. How is regulatory tightening affecting Pherazine W/ Codeine sales globally?
Regulatory agencies worldwide have implemented stricter controls on codeine-containing products due to opioid misuse concerns. These include scheduling restrictions, prescription limits, and safety warnings, leading to reduced prescribing volumes and overall sales.

2. Can reformulating Pherazine W/ Codeine with non-opioid agents revive its market?
Yes, reformulation efforts focusing on replacing codeine with non-opioid alternatives can potentially open new regulatory pathways and meet safety demands, thereby revitalizing the product's market prospects.

3. What are the main competitors to Pherazine W/ Codeine?
Key competitors include non-opioid cough suppressants like dextromethorphan, antihistamines such as chlorpheniramine, and emerging therapies targeting allergic or respiratory conditions without opioid components.

4. How does patent expiration influence the financial trajectory of Pherazine W/ Codeine?
Patent expirations lead to increased generic competition, reduced prices, and diminished brand profitability, which collectively exert downward pressure on revenues and market share.

5. What regions offer the most promising opportunities for Pherazine W/ Codeine?
Emerging markets with less stringent opioid regulations and rising demand for allergy and cough medications present opportunities. However, safety standards and regulatory compliance remain critical considerations.


References

[1] U.S. Food and Drug Administration. (2018). FDA drug safety communication: FDA limits use of codeine-containing cough products in children.

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