Prevalite Shortage Update: What Patients Need to Know in 2026

If you take Prevalite — or its generic equivalent, cholestyramine — you may have noticed that getting your prescription filled has become increasingly difficult. Supply disruptions, pharmacy stockouts, and back-ordered prescriptions have left many patients scrambling. In this post, we give you the latest shortage update for 2026, what's driving it, and what you can do about it.

Is There a Prevalite Shortage in 2026?

Yes — but it's more nuanced than a complete nationwide shortage. As of early 2026, cholestyramine is experiencing intermittent supply disruptions across the United States. The medication is being produced by multiple generic manufacturers, but supply is not consistently reaching all pharmacies or all regions.

It's also important to note that the brand-name Prevalite has been discontinued by its manufacturer. All cholestyramine available today is sold as a generic drug. Your pharmacist will dispense generic cholestyramine — which contains the same active ingredient at the same dose — if you have a Prevalite prescription.

Shortage Timeline: How Did We Get Here?

• 2022–2023: Sporadic reports of stockouts at individual pharmacies, primarily attributed to manufacturer production pauses and consolidation in the generic drug market.
• 2024: The FDA Drug Shortage Database listed cholestyramine intermittently as supply from certain manufacturers became unreliable.
• 2025: Supply disruptions became more widespread, with multiple regions reporting consistent difficulty sourcing both regular and light formulations.
• Early 2026: The situation remains characterized by intermittent availability. Cholestyramine is being produced, but supply is not consistently meeting demand across all distribution channels.

Current Availability by Formulation

• Generic cholestyramine regular powder: Intermittently available; multiple manufacturers producing but with inconsistent regional distribution.
• Generic cholestyramine light powder: Similar availability; may be in stock when regular is not. Worth asking your pharmacist about both.
• Urban vs. rural: Urban areas with multiple pharmacy options generally have better access. Rural areas or regions served by a single distributor may experience more significant shortages.

What Is Causing the Cholestyramine Shortage?

Multiple factors are driving the shortage:

1. Generic market consolidation. As brand-name Prevalite exited, production became dependent on fewer generic manufacturers. Production pauses by any one company cascade into regional shortages.
2. Raw material supply disruptions. Cholestyramine resin requires specific chemical inputs that are subject to supply chain volatility.
3. Rising off-label demand. Growing recognition of bile acid diarrhea as a diagnosis has increased prescribing beyond its original indications.
4. Distribution gaps. Wholesale allocation policies create uneven distribution even when national supply exists.

How Much Does Cholestyramine Cost Right Now?

The cost depends on your insurance status and which pharmacy you use:

• Without insurance: $30–$180 for a 30-day supply depending on dose and pharmacy. Bulk canisters tend to be cheaper than individual packets.
• With GoodRx or SingleCare discount card: $45–$50 for a 30-day supply at many pharmacies.
• With insurance: Most plans cover generic cholestyramine on Tier 1 or Tier 2, with copays typically $5–$25. Prior authorization is generally not required.

What Patients Can Do Right Now

Start refilling early. Use

medfinder to locate a pharmacy with stock. Ask about both regular and light formulations. Talk to your doctor about a 90-day supply and have a contingency plan ready — knowing which alternatives (colesevelam, colestipol) you could switch to if needed.

For more on managing costs during the shortage, see our guide on

how to save money on Prevalite in 2026.