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Last Updated: December 12, 2025

PHENAPHEN W/ CODEINE NO. 3 Drug Patent Profile


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Which patents cover Phenaphen W/ Codeine No. 3, and what generic alternatives are available?

Phenaphen W/ Codeine No. 3 is a drug marketed by Robins Ah and is included in one NDA.

The generic ingredient in PHENAPHEN W/ CODEINE NO. 3 is acetaminophen; codeine phosphate. There are sixty-six drug master file entries for this compound. Twenty-nine suppliers are listed for this compound. Additional details are available on the acetaminophen; codeine phosphate profile page.

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Summary for PHENAPHEN W/ CODEINE NO. 3
Drug patent expirations by year for PHENAPHEN W/ CODEINE NO. 3

US Patents and Regulatory Information for PHENAPHEN W/ CODEINE NO. 3

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Robins Ah PHENAPHEN W/ CODEINE NO. 3 acetaminophen; codeine phosphate CAPSULE;ORAL 084445-001 Approved Prior to Jan 1, 1982 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 PHENAPHEN W/ CODEINE NO. 3

Last updated: August 1, 2025

Introduction

PHENAPHEN W/ CODEINE NO. 3 is a prescription medication combining acetaminophen and codeine, primarily used for pain relief. As a Schedule III controlled substance in the United States, its market dynamics are influenced by regulatory constraints, opioid prescribing trends, and evolving consumer preferences. This analysis explores the current market landscape, competitive environment, regulatory factors, and forecasted financial trajectory of PHENAPHEN W/ CODEINE NO. 3, providing business professionals with insights into its growth prospects and market challenges.

Market Overview

Historically, combination analgesics such as PHENAPHEN W/ CODEINE NO. 3 have served as pivotal agents in managing moderate to severe pain. The global analgesic market, valued at approximately USD 16 billion in 2021, is projected to grow at a compound annual growth rate (CAGR) of 3–5% through 2028, driven by increasing prevalence of chronic pain and improved healthcare access [1].

Within this landscape, acetaminophen-codeine formulations occupy a niche segment. Their usability hinges on balancing effective pain management with the regulatory risks associated with opioids. The U.S. opioid crisis has significantly affected prescribing patterns, leading to tighter regulations and a decline in opioid prescriptions, including codeine combinations.

Regulatory and Legal Environment

Regulatory changes are the most significant factors influencing PHENAPHEN W/ CODEINE NO. 3’s market trajectory. The Drug Enforcement Administration (DEA) classifies these formulations as Schedule III drugs, indicating a moderate potential for abuse but recognized medical utility [2].

In recent years, the U.S. Food and Drug Administration (FDA) has issued warnings regarding the risks of acetaminophen overdose and opioid misuse. The FDA also restricted the maximum allowable doses of acetaminophen in combination products to mitigate hepatotoxicity risk [3]. Additionally, the rescheduling of opioids or issuance of new prescribing guidelines—such as the CDC’s 2022 guidelines supporting cautious opioid prescribing—has resulted in reduced utilization of codeine-based products.

Some states have enacted legislation restricting outpatient prescribing of opioid-containing medications, further limiting access to PHENAPHEN W/ CODEINE NO. 3. The ongoing opioid monitoring and legislation globally, especially in developed markets, challenge the sustained growth of this medication.

Market Dynamics

Demand and Prescribing Trends

Demand for codeine-containing medications has waned in recent years due to increased awareness of opioid dependency risks. The CDC reports a decline in overall opioid prescriptions in the U.S., with a 20% decrease notable between 2017 and 2022 [4].

Prescriptions of PHENAPHEN W/ CODEINE NO. 3 have declined correspondingly, replaced increasingly by non-opioid analgesics such as NSAIDs and acetaminophen alone. Physicians now prefer multimodal pain management strategies reducing reliance on opioids.

Supply Chain and Manufacturing

The manufacturing of PHENAPHEN W/ CODEINE NO. 3 involves compliance with stringent quality controls pertaining to opioid production. Supply chain disruptions, such as those experienced during the COVID-19 pandemic, have temporarily affected production and distribution but largely returned to normal.

Competitive Landscape

The product faces stiff competition from other opioid analgesics, non-opioid alternatives, and newer formulations with fewer regulatory controls. Market leaders include generics manufacturers and a few branded players with extensive distribution networks.

Economic Factors

Pricing strategies for PHENAPHEN W/ CODEINE NO. 3 are influenced by generic competition, regulatory pressures, and reimbursement policies. Pricing has generally declined due to increased generics and reduced prescribing.

Furthermore, insurance reimbursement policies favor non-opioid pain relievers, which impacts revenue potential.

Financial Trajectory

Historical Performance

Over the past five years, sales of PHENAPHEN W/ CODEINE NO. 3 have experienced a gradual decline, consistent with industry-wide opioid prescription reductions. According to market estimates, the product’s annual revenues have decreased by approximately 10–15% annually, driven by regulatory constraints and shifting clinical guidelines.

Forecasted Trends

Analysts project a continued decline in sales over the next 3–5 years, with a CAGR of approximately -3% to -5%. This negative trajectory is attributable to:

  • Tightening prescribing guidelines.
  • Increased competition from non-opioid analgesics.
  • Growing awareness of opioid misuse and regulatory restrictions.

However, a residual demand is expected to persist, driven by specific clinical indications, such as severe pain in populations with limited access to alternatives.

Opportunities and Risks

Opportunities may arise from formulation innovations, such as abuse-deterrent formulations or combination products with reduced opioid content. Alternatively, patent expirations and the shift toward non-opioid analgesics pose significant risks to the long-term financial outlook.

Strategic Implications

For pharmaceutical companies, the strategic focus should include diversification towards non-opioid pain management solutions, investing in alternative formulations, and adapting to regulatory landscapes. Brand loyalty and geographic expansion into emerging markets could offset declining sales in mature markets.

Conclusion

PHENAPHEN W/ CODEINE NO. 3’s market is in measurable decline, impacted by regulatory shifts, changing prescriber behaviors, and societal attitudes toward opioids. While still relevant for certain patient segments, its long-term financial trajectory is characterized by contraction unless innovation or market expansion strategies are adopted.


Key Takeaways

  • The global analgesic market is growing, but opioid-based formulations like PHENAPHEN W/ CODEINE NO. 3 face declining demand due to safety concerns and regulatory restrictions.
  • Prescribing of codeine formulations declined by approximately 20% over recent five years, with further reductions projected.
  • Regulatory developments, including the FDA’s dosing restrictions and state-level opioid prescribing limits, sharply influence market accessibility and profitability.
  • The product’s revenue is forecasted to decline at roughly -3% to -5% annually over the next 3–5 years, barring strategic innovations.
  • Diversification into non-opioid analgesics presents a critical growth opportunity for stakeholders.

FAQs

1. What regulatory changes have most impacted PHENAPHEN W/ CODEINE NO. 3 sales?
Major impacts come from the FDA’s dosing restrictions, the CDC’s opioid prescribing guidelines, and state-level legislation limiting opioid prescriptions—all aimed at curbing misuse and overdose risks.

2. Are there any emerging markets where PHENAPHEN W/ CODEINE NO. 3 could see growth?
Emerging markets with less stringent opioid regulations, expanding healthcare infrastructure, and unmet pain management needs could present growth opportunities. However, local regulatory and safety considerations remain pivotal.

3. How does the shift toward non-opioid analgesics affect the product’s market share?
The shift significantly reduces market share for codeine-based formulations. Clinical preference for NSAIDs, acetaminophen alone, and newer formulations with abuse-deterrent features results in decreased demand for PHENAPHEN W/ CODEINE NO. 3.

4. What are potential avenues for pharmaceutical companies to mitigate declining sales?
Innovation in abuse-deterrent formulations, diversification into non-opioid treatments, strategic geographic expansion, and focusing on niche clinical indications can help mitigate declines.

5. Has the COVID-19 pandemic affected the supply or demand for PHENAPHEN W/ CODEINE NO. 3?
Supply chain disruptions occurred during the pandemic, but manufacturing resumed with minimal long-term impacts. Demand was affected by regulatory constraints and decreased prescribing, aligning with overall market trends.


Sources:
[1] MarketWatch, "Analgesic Market Size & Trends," 2022.
[2] DEA, Drug Scheduling, 2023.
[3] FDA, Safety Communications and Restrictions, 2022.
[4] CDC, Opioid Prescribing Data, 2022.

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