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Last Updated: March 19, 2026

PHENAPHEN W/ CODEINE NO. 2 Drug Patent Profile


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When do Phenaphen W/ Codeine No. 2 patents expire, and what generic alternatives are available?

Phenaphen W/ Codeine No. 2 is a drug marketed by Robins Ah and is included in one NDA.

The generic ingredient in PHENAPHEN W/ CODEINE NO. 2 is acetaminophen; codeine phosphate. There are sixty-six drug master file entries for this compound. Twenty-four suppliers are listed for this compound. Additional details are available on the acetaminophen; codeine phosphate profile page.

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Questions you can ask:
  • What is the 5 year forecast for PHENAPHEN W/ CODEINE NO. 2?
  • What are the global sales for PHENAPHEN W/ CODEINE NO. 2?
  • What is Average Wholesale Price for PHENAPHEN W/ CODEINE NO. 2?
Summary for PHENAPHEN W/ CODEINE NO. 2
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for PHENAPHEN W/ CODEINE NO. 2

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. 2 acetaminophen; codeine phosphate CAPSULE;ORAL 084444-001 Approved Prior to Jan 1, 1982 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

Investment Scenario and Fundamentals Analysis for Phenaphen with Codeine No. 2

Last updated: February 4, 2026

Market Overview

Phenaphen with Codeine No. 2 is a combination analgesic and antitussive medication primarily used for mild to moderate pain relief and cough suppression. It combines acetaminophen (paracetamol) with codeine phosphate, a semi-synthetic opioid. The drug targets markets with regulatory approval for codeine-containing products, mainly in North America and select regions in Europe and Asia.

Regulatory Landscape

Regulatory approval and control significantly impact market access. In the U.S., the Drug Enforcement Administration (DEA) classifies combination products with codeine as Schedule III or Schedule IV, depending on concentration, affecting prescribing practices. Elsewhere, approval hinges on local regulatory bodies like the European Medicines Agency (EMA) or Health Canada.

Recent regulatory shifts aim to restrict codeine sales, especially over-the-counter (OTC). The UK reclassified codeine-containing products from OTC to prescription-only in 2018, while Canada tightened controls in 2019. In contrast, the U.S. maintains a relatively accessible schedule for combination products with lower codeine doses, which could favor market penetration.

Market Dynamics

Demand Drivers:

  • Prevalence of acute and chronic pain
  • Cough and cold management needs
  • Prescription trends, especially in countries with high opioid consumption

Constraints:

  • Tightening regulations reduce supply channels
  • Rising awareness of opioid addiction risks
  • Shift toward non-opioid analgesics

Market Size Estimates:

  • The global combined analgesics market was valued at approximately USD 16.7 billion in 2022, with a CAGR of 4.2% (2023-2030).
  • Codeine-based products constitute roughly 20% of this market, translating to USD 3.3 billion annually.
  • In North America, where regulation is more permissive, the market for phenaphen with codeine products remains significant, especially for OTC sales.

Competitive Landscape

Major competitors include:

  • Tylenol with Codeine (Johnson & Johnson)
  • Panlor SS (Sun Pharmaceutical)
  • Generic equivalents from multiple regional manufacturers

Brand loyalty and physician prescribing habits influence market share. The increasing theme of opioid stewardship pressures companies to innovate and improve safety profiles.

Financial and Investment Fundamentals

Patents and Exclusivity:

  • Is phenaphen with codeine currently under patent?
    Likely not, as combination analgesics with codeine have long-standing generic presence. Patent expiry diminishes exclusivity, elevating generic competition.

Pricing Trends:

  • Typical retail price in the U.S. ranges from USD 5 to USD 15 per bottle (30-60 tablets).
  • Price erosion expected as generics enter the market; premium pricing mainly applies to branded formulations with extended-release or combination innovations.

Supply Chain Considerations:

  • Raw material sourcing for acetaminophen and codeine depends on regional manufacturing controls.
  • Recent increases in regulatory oversight and manufacturing standards (e.g., cGMP) influence costs.

Regulatory Risks:

  • Potential reclassification of codeine to prescription-only globally could blunt OTC sales.
  • Introduction of abuse-deterrent formulations may impact product acceptance.

Market Entry Barriers:

  • Stringent regulatory environments limit new entrants.
  • Existing brand dominance complicates market penetration strategies.

Investment Outlook

Given current regulatory and market conditions:

  • The immediate investment appeal is limited for new entrants because of high regulatory risks and commoditized market structure.
  • Opportunities exist for existing firms to expand formulations, improve safety profiles, or develop alternative delivery systems.
  • Lifecycle management strategies, including combining phenaphen with other agents or reformulating with abuse deterrents, can sustain competitive advantages partially.

Risks and Opportunities

Risks Opportunities
Regulatory restrictions reduce sales Formulation innovations, abuse-deterrent formulations
Increasing generic competition Market expansion in regions with lax regulations
Shift toward non-opioid medications Developing non-opioid analgesic alternatives
Public health policies reducing opioid use Diversification into other therapeutic areas

Key Takeaways

  • Phenaphen with Codeine No. 2 faces regulatory headwinds, especially in markets tightening control over opioids.
  • The market remains sizable in regions with permissive legislation but is increasingly competitive with generics.
  • Subsequent growth depends on product differentiation, safety improvements, and geopolitical regulatory developments.
  • Patents are unlikely to provide significant advantage; focus shifts to formulation innovation and market access.
  • The overall outlook indicates moderate investment risk with opportunities for innovation-centric players.

Frequently Asked Questions

Q1: How does regulatory control impact the profitability of phenaphen with codeine products?
Regulations limit sales channels (e.g., OTC to prescription-only), increasing compliance costs and reducing volume, thereby shrinking profit margins.

Q2: Are there market segments that favor branded phenaphen with codeine No. 2?
Brand loyalty among physicians and patients, especially in regions with less strict regulations, supports branded sales, but price competition erodes margins.

Q3: What alternative formulations are emerging for pain and cough management?
Options include non-opioid combinations, abuse-deterrent formulations, and novel delivery systems like transdermal patches.

Q4: How significant is the threat of generic competition?
High, given the product’s long patent expiry and established market presence. Price erosion and market share reduction are ongoing risks.

Q5: What are the implications of opioid abuse concerns on future market prospects?
Tighter controls and public health initiatives aim to curb abuse, potentially decreasing the market size for traditional phenaphen with codeine formulations.


References

[1] MarketsandMarkets. "Analgesics Market by Type." 2022.
[2] U.S. DEA. "Controlled Substance Schedules." 2023.
[3] European Medicines Agency. "Regulation of Opioid-containing Medicines." 2022.
[4] IQVIA. "Global Pain Management Market Report." 2022.
[5] Statista. "Codeine-containing Medication Market Size." 2023.

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