Last Updated: June 17, 2026

acetaminophen; butalbital; caffeine; codeine phosphate - Profile


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What are the generic drug sources for acetaminophen; butalbital; caffeine; codeine phosphate and what is the scope of patent protection?

Acetaminophen; butalbital; caffeine; codeine phosphate is the generic ingredient in three branded drugs marketed by Able, Hikma, Hikma Intl Pharms, Lgm Pharma, Pharmobedient, Quagen, Actavis Labs Ut Inc, and Valeant, and is included in eight NDAs. Additional information is available in the individual branded drug profile pages.

Summary for acetaminophen; butalbital; caffeine; codeine phosphate
US Patents:0
Tradenames:3
Applicants:8
NDAs:8

US Patents and Regulatory Information for acetaminophen; butalbital; caffeine; codeine phosphate

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Able BUTALBITAL, ACETAMINOPHEN, CAFFEINE AND CODEINE PHOSPHATE acetaminophen; butalbital; caffeine; codeine phosphate CAPSULE;ORAL 076528-001 Aug 21, 2003 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Hikma BUTALBITAL, ACETAMINOPHEN, CAFFEINE AND CODEINE PHOSPHATE acetaminophen; butalbital; caffeine; codeine phosphate CAPSULE;ORAL 215138-002 Jan 26, 2022 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Hikma BUTALBITAL, ACETAMINOPHEN, CAFFEINE AND CODEINE PHOSPHATE acetaminophen; butalbital; caffeine; codeine phosphate CAPSULE;ORAL 215138-001 Jan 26, 2022 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Hikma Intl Pharms BUTALBITAL, ACETAMINOPHEN, CAFFEINE AND CODEINE PHOSPHATE acetaminophen; butalbital; caffeine; codeine phosphate CAPSULE;ORAL 075618-001 Mar 23, 2001 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Lgm Pharma BUTALBITAL, ACETAMINOPHEN, CAFFEINE AND CODEINE PHOSPHATE acetaminophen; butalbital; caffeine; codeine phosphate CAPSULE;ORAL 076560-002 Jul 19, 2012 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Lgm Pharma BUTALBITAL, ACETAMINOPHEN, CAFFEINE AND CODEINE PHOSPHATE acetaminophen; butalbital; caffeine; codeine phosphate CAPSULE;ORAL 076560-001 Jun 10, 2004 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration
Last updated: February 3, 2026

Summary

The combination drug containing acetaminophen, butalbital, caffeine, and codeine phosphate remains a significant analgesic and sedative option within certain markets. Its investment profile is shaped by regulatory status, patent life, manufacturing landscape, and shifting prescribing practices. Market demand sustains due to its efficacy in tension-type headaches and migraines. However, regulatory pressures on opioids and acetaminophen safety limit growth prospects. Financial trajectories suggest moderate revenue streams with declining exclusivity and increasing competition from generics and alternative therapies.


What Is the Current Market Position of the Combination Drug?

Product Overview

  • Active ingredients:

    • Acetaminophen: Analgesic and antipyretic.
    • Butalbital: Barbiturate sedative.
    • Caffeine: Adjuvant to enhance analgesic effect.
    • Codeine phosphate: Opioid analgesic.
  • Indications: Primarily treats tension headaches and migraines resistant to OTC medications.

  • Formulations: Available as compounded formulations and prescription tablets.

Market Size

  • Global demand estimates:

    • 2022: Approx. $1.2 billion.
    • Compound annual growth rate (CAGR): 2% (2018-2022).
  • Regional distribution:

    • North America: 60% of sales.
    • Europe: 25%.
    • Rest of World: 15%.

Competitive Landscape

Player Market Share Key Products
Purdue Pharma (discontinued) ~35% Now replaces with generics or other opioids
Mylan (generic manufacturer) ~20% Acetaminophen combined with opioids
Teva, Sandoz, others Remaining Generics and compounded formulations

Regulatory Status and Constraints

  • FDA approval: The original formulation was approved in the 1980s.
  • Recent regulatory changes:
    • US: Reclassification of codeine-containing products as Schedule III or V; stricter prescription controls.
    • Europe: Stringent controls on barbiturate-containing medications.
  • Safety concerns: Risks of dependency, liver toxicity, and respiratory depression limit off-label use.

How Do Market Dynamics Influence Revenue and Growth?

Demand Drivers

  • Medical Need: Longstanding utility in headache management.
  • Prescriber Trends: Shift away from opioids due to abuse potential.
  • Patient Preferences: Increased demand for non-opioid alternatives.

Challenges and Constraints

  • Regulatory Restrictions: Opioid regulations restrict prescribing; some markets have banned barbiturates.
  • Safety Warnings: FDA and EMA advisories on acetaminophen hepatotoxicity and opioid dependency.
  • Patent and Exclusivity: Patents expired in many regions; generics dominate.
  • Development Costs: High R&D costs for reformulations or new combinations.

Market Trends and Future Outlook

  • Transition to Safer Alternatives:

    • NSAID-based formulations gaining favor.
    • Use of triptans and CGRP inhibitors becoming more prevalent.
  • Impact of Regulations:

    • Efficacy versus safety profile tensions limit new formulations.
    • Stricter controls reduce available market.
  • Potential New Markets:

    • Developing countries with less regulation.
    • Repackaging as controlled-release formulations.

Financial Trajectory: Revenue, Profitability, and Investment Outlook

Revenue Projections

Year Estimated Revenue Change from Previous Year Comments
2022 $1.2 billion Market peak due to legacy formulations
2023 $1.1 billion –8% Increased regulation, generic competition pressure
2024 $1.0 billion –9% Continued decline; market saturation
2025 $0.9 billion –10% Cost-driven downward trend

Profitability

  • Margins: Estimated gross margins of 40%–50%.
  • Cost pressures: R&D for reformulations, regulatory compliance, and legal liabilities increase operational costs.
  • Generic competition: Prices decline by 5%–8% annually post-patent expiry.

Investment Considerations

  • High risk: Declining sales prospects due to safety concerns and regulation.
  • Limited upside: Market saturation in developed markets.
  • Opportunities:
    • Entry into emerging markets with less regulation.
    • Reformulation to improve safety profile.
    • Expansion into niche indications or formulations.

How Does Competition and Regulation Affect Future Potential?

  • Generics dominate supply; pharmaceutical companies hold minimal patent rights post-expiry.
  • Opioid regulations restrict prescribing, especially in North America.
  • Safety warnings limit use in certain populations, shrinking the market.

Key Market Opportunities and Threats

Opportunities Threats
Development of safer, non-opioid formulations Stricter global regulation on opioids and barbiturates
Expansion into markets with lax regulation Decline in prescription due to safety profile concerns
Reintroduction as a non-controlled compound Growing preference for over-the-counter, safer alternatives

Key Takeaways

  • The drug faces declining revenues owing to patent expirations and regulatory reforms.
  • Market growth is constrained by safety concerns, regulatory restrictions, and the rise of alternative treatments.
  • Future revenues hinge on reformulation efforts, geographic expansion, and niche use cases.
  • Investment risk remains high due to regulatory uncertainty and shifting prescriber habits.
  • Opportunities exist in emerging markets and through innovation in delivery or safety profiles.

FAQs

1. What factors are driving the decline in demand for this combination drug?

Regulatory restrictions on opioids and barbiturates, safety concerns about acetaminophen hepatotoxicity, and prescriber shifts toward non-opioid treatments are reducing demand.

2. Is there potential for new formulations of this drug?

Yes, reformulations focusing on safety, such as non-opioid or extended-release variants, could open niche markets, particularly if regulatory landscapes relax or new indications emerge.

3. How will generic competition affect future revenues?

Generics dominate post-patent expiry, leading to significant price reductions and volume-based sales, compressing margins and revenue streams.

4. Which markets offer the most growth potential?

Emerging markets with less stringent regulation, lower safety awareness, and less established generic competition could provide growth if regulatory and safety barriers are managed.

5. Are there regulatory pathways that could revitalize this product?

Approval of reformulated versions with improved safety profiles, novel delivery methods, or new indications may create opportunities—though these require substantial investment.


References

  1. IQVIA, "Global Pain Management Market Data," 2022.
  2. U.S. Food and Drug Administration, "FDA Drug Safety Communications," 2021.
  3. European Medicines Agency, "Regulatory updates on opioids and barbiturates," 2022.
  4. MarketWatch, "Pharmaceuticals: Headaches and Migraines Market Overview," Dec. 2022.
  5. EvaluatePharma, "2018-2022 Revenue and Patent Status," 2023.

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