Last Updated: August 9, 2026

GAVISCON Drug Patent Profile


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When do Gaviscon patents expire, and what generic alternatives are available?

Gaviscon is a drug marketed by Chattem Sanofi and is included in one NDA.

The generic ingredient in GAVISCON is aluminum hydroxide; magnesium trisilicate. There are one hundred and forty-one drug master file entries for this compound. Additional details are available on the aluminum hydroxide; magnesium trisilicate profile page.

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Questions you can ask:
  • What is the 5 year forecast for GAVISCON?
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  • What is Average Wholesale Price for GAVISCON?
Summary for GAVISCON
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 4
Clinical Trials: 7
Patent Applications: 103
Drug Prices: Drug price information for GAVISCON
What excipients (inactive ingredients) are in GAVISCON?GAVISCON excipients list
DailyMed Link:GAVISCON at DailyMed
Recent Clinical Trials for GAVISCON

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Opera CRO, a TIGERMED Group CompanyN/A
Nekkar Lab SrlN/A
Medical University of South CarolinaPhase 2

See all GAVISCON clinical trials

US Patents and Regulatory Information for GAVISCON

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Chattem Sanofi GAVISCON aluminum hydroxide; magnesium trisilicate TABLET, CHEWABLE;ORAL 018685-001 Dec 9, 1983 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Chattem Sanofi GAVISCON aluminum hydroxide; magnesium trisilicate TABLET, CHEWABLE;ORAL 018685-002 Dec 9, 1983 DISCN Yes 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: July 28, 2026

GAVISCON market dynamics and financial trajectory (sales, pricing, channels, and competitive pressure)

GAVISCON’s market performance is driven by (1) OTC-led demand for gastroesophageal reflux disease (GERD) and dyspepsia symptom relief, (2) label expansions and pack-price architecture that protect volume during inflation cycles, (3) competitive substitution against other alginate antacids and proton pump inhibitor (PPI) alternatives, and (4) periodic regulatory and reimbursement shifts by market. The financial trajectory is typically characterized by steady baseline growth in established geographies, with upside from new formulations (liquid and chewables) and pack-size mix, offset by margin pressure from raw-material and distribution costs and by private label and brand-to-brand switching in OTC channels.

Coverage scope note

Because GAVISCON is a brand with multiple actives, strengths, and regional marketing authorizations, market dynamics and financial outcomes vary by country and product line (e.g., liquid vs tablets; alginate formulations vs salt variants). A complete financial trajectory requires region-level sales data and time series, which is not provided in the request.

How does Gaviscon make money and what drives OTC sales dynamics?

Primary commercial engine: OTC reflux and indigestion relief.
GAVISCON is positioned for rapid symptom control where consumers and pharmacies prefer OTC alternatives to prescription routes, especially for intermittent or mild GERD.

Key demand drivers across OTC:

  • Symptom-based purchasing: GERD and dyspepsia symptom perception drives repeat buying rather than adherence to fixed treatment regimens.
  • Channel mix: Retail pharmacy, mass retail, grocery/discount, and e-commerce affect both volume and realized net price.
  • Pack and dosage form economics: Liquid formats often compete on perceived efficacy and dosing flexibility; chewables compete on convenience and portability.
  • Promo mechanics: Short-cycle promotions and multi-buy offers are common in OTC categories and can swing quarterly volume without proportional profit lift.

What market structure does Gaviscon face: alginates vs PPIs and H2s?

Competitive set in symptom relief is segmented by onset and drug class.

  • Alginate antacids (direct substitution): Comparable products aim for reflux barrier formation and fast symptom relief.
  • PPI and H2 competitors (treatment substitution): For consumers with higher or persistent symptom frequency, PPI-based OTC or prescription pathways can reduce reliance on alginates.
  • Antacid brands (component substitution): Calcium carbonate and sodium bicarbonate antacids capture customers seeking immediate relief rather than reflux barrier-specific benefits.

Implication for dynamics:
GAVISCON tends to perform best when consumer behavior is “self-manage mild symptoms” rather than “treat chronic disease with acid suppression.”

Which countries and product lines most influence Gaviscon’s financial trajectory?

Regional variability is the dominant determinant. GAVISCON’s brand architecture is commonly split by:

  • product form (liquid, chewable, tablets, sachets depending on market),
  • strength and salt form variants,
  • age/indication labeling (adult vs pediatric ranges where allowed),
  • and local regulatory classification (OTC status and advertising restrictions).

Financial trajectory pattern typically observed in OTC reflux brands:

  • Mature markets: slower growth, more share-management, heavier reliance on pack mix and promo optimization.
  • Emerging markets: higher nominal growth potential but more volatility from wholesale pricing, channel dilution, and regulatory changes.

When does Gaviscon face price pressure and margin compression?

Cost and channel forces are the main margin risk.

  • Input costs: alginate supply, excipient inflation, packaging materials (bottles, blisters, cartons).
  • Distribution fees and trade terms: retailer markups, wholesaler rebates, and private label shelf initiatives.
  • FX translation: multinational reporting can distort apparent growth.

Typical OTC financial effect:

  • Sales can hold up on volume, while operating margin compresses if net price declines faster than cost recovery.

How do private label and brand competition affect Gaviscon share?

Private label affects OTC alginate and antacid categories through price anchoring. Mechanisms:

  • Retailers introduce “value” SKUs with minimal differentiation.
  • During inflation and cost-of-living cycles, consumers trade down within OTC.

Impact on GAVISCON trajectory:

  • If promo intensity rises, volume may increase but realized pricing can fall.
  • If the brand sustains consumer preference (perceived efficacy, trust, family use), share loss is dampened.

What does the competitive landscape look like for Gaviscon in major OTC reflux markets?

Competitive positioning in OTC reflux usually includes:

  • multiple alginate brands (direct barrier mechanism),
  • antacid brands (fast neutralization),
  • and acid suppressants (PPI/H2) as substitution pathways.

How competitors pressure GAVISCON financially:

  • Shelf space competition: brands compete for front-of-shelf and pharmacy counter recommendations.
  • Formulation upgrades: chewable, flavored liquid, and sachet offerings influence consumer trial.
  • Regulatory label strength: where allowed, stronger symptom claims can improve conversion.

What growth levers can lift Gaviscon revenue without losing margin?

Primary levers that typically preserve economics:

  • Mix shift to higher margin SKUs: premium pack sizes or convenience formats.
  • Seasonality management: winter respiratory and GI-related symptom peaks can increase demand; inventory planning reduces stockout costs.
  • Promo rationalization: using targeted offers rather than across-the-board discounts.
  • Retention programs: pharmacy-based loyalty and subscription-like e-commerce reorder incentives where relevant.

How do e-commerce and pharmacy channels change Gaviscon’s revenue trajectory?

Channel migration changes net price and customer economics.

  • E-commerce can reduce trading costs but often increases price transparency and competitive pricing.
  • Pharmacy counter and clinician referral routes can protect brand credibility and reduce price elasticity.

Net effect:
Revenue growth may continue online even when average net price is pressured, requiring tighter promotional controls.

How do regulatory and labeling shifts affect Gaviscon sales?

Regulatory changes matter most when they alter:

  • OTC classification or advertising constraints,
  • permitted indications and symptom claims,
  • pediatric or pregnancy-related labeling (where applicable),
  • and product safety or manufacturing compliance requirements.

Commercial effect:
Label constraint typically reduces conversion and can slow growth in specific geographies, while clear label advantages can support sustained share.

What is Gaviscon’s financial trajectory pattern during inflation and cost cycles?

Typical OTC pattern:

  • Revenue: resilient due to symptom-based repeat buying.
  • Units: can stay stable; occasionally downtrade increases units.
  • Net price: declines if retailers demand lower wholesale pricing.
  • Gross margin: erodes if input costs rise faster than price.

Result:
Operating profit growth can lag revenue growth unless the company reallocates promotional spend and adjusts pack mix.

How strong is Gaviscon’s earnings profile versus other OTC reflux brands?

Earnings profile depends on brand power and cost structure. Key determinants:

  • consumer switching resistance (brand trust),
  • manufacturing scale and supply continuity,
  • trade term discipline,
  • and ability to execute pack architecture without losing compliance and shelf readiness.

Relative positioning in the category:

  • Brands with stronger perceived efficacy and broader product lines usually exhibit better resilience during private label entry.

What generic or substitution risks exist that could damage Gaviscon revenues?

For OTC brands like GAVISCON, “generic risk” is usually brand-switching rather than legal generic substitution.

  • If alginate actives are not protected strongly across form factors in some jurisdictions, competitors can introduce similar products.
  • The most damaging threats come from value competitors with adequate symptom relief positioning, not necessarily from legal “generic launches.”

Risk profile:

  • Higher in mature markets with intense discounting.
  • Lower where brand equity and pharmacy recommendation persist.

What patent landscape issues indirectly affect Gaviscon’s commercial trajectory?

Direct patent expiry is less explanatory for OTC alginate brands than formulation and manufacturing know-how. Even when core actives are older, market outcomes can shift when:

  • reformulated products appear that improve convenience,
  • competitor entrants introduce new combinations,
  • or manufacturing processes change.

Commercial impact:
When competitors match the experience (dose delivery, taste, stability, and dosing convenience), switching can accelerate without any “patent cliff” narrative.

How does Gaviscon compare with alternative reflux therapies on market economics?

PPI economics vs OTC alginate economics:

  • PPIs can be higher value per treatment course but may face physician prescribing pathways and adherence patterns.
  • OTC alginates aim for frequent, short-cycle use and can capture customers who do not want acid suppression therapy.

Competitive takeaway:

  • In periods where consumers perceive symptoms as intermittent and manageable, alginate brands gain relative share.
  • In segments with chronic symptoms, acid suppression therapies can displace alginates.

What are the key financial KPI checkpoints for investors tracking Gaviscon?

For high-frequency monitoring in OTC:

  • Net revenue growth vs volume growth: identifies pricing vs demand contribution.
  • Gross margin trend: tracks input cost and promotional intensity.
  • Trade spend ratio: indicates retailer bargaining power.
  • Mix shift: liquid vs tablet; premium packs vs value packs.
  • Market share by channel: pharmacy vs grocery vs e-commerce.

Key Takeaways

  • GAVISCON’s market dynamics are driven by OTC symptom relief demand for GERD and dyspepsia, with growth shaped by pack/formulation mix and channel economics.
  • Financial trajectory typically shows resilient revenue but potential operating margin pressure during inflation due to input costs and retailer promos.
  • The competitive threat is mainly brand-to-brand substitution within OTC reflux and downtrading to value products, with PPI/H2 therapies as indirect substitutes for chronic users.
  • The strongest commercial levers are mix shift, promo rationalization, and channel strategy that protects net price while sustaining unit demand.

FAQs

  1. Does Gaviscon’s performance depend more on unit volumes or net price?
  2. How does seasonality typically affect OTC reflux brands like Gaviscon?
  3. What retail channels drive the highest margin for Gaviscon-style OTC products?
  4. How do new chewable or liquid formats change consumer switching behavior?
  5. What indicators signal share loss to private label in OTC reflux categories?

References (APA)

  1. (Not available: no source data was provided in the prompt.)

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