FDA Flags THESE BP Pills

A prescription pad with a stethoscope and pills nearby — Photo: New Africa / Shutterstock

America just learned that a common blood pressure pill may not dissolve as it should—and that can quietly blunt its power to protect your heart.

Story Snapshot

Two recalls hit chlorthalidone 25 mg tablets after failed dissolution tests.
More than 25,000 bottles in total were flagged across June and September actions.
The September recall covers 13,567 bottles, batch RISA24002, expiring April 2027.
The Food and Drug Administration (FDA) classified the September action as Class II on Sept. 17.

What the recall is, and why it matters

Inventia Healthcare initiated two nationwide recalls of chlorthalidone tablets, United States Pharmacopeia (USP), 25 milligrams, after the pills failed dissolution specifications, which means they may not break down as expected in the body.

The first recall began June 5 and covered 11,460 bottles distributed in the United States. The second recall started Sept. 3 and targeted 13,567 bottles in 100-count packages, a larger sweep that drew wide attention. Early coverage reported no injuries.

Chlorthalidone is a prescription “water pill” that helps the body shed salt and water. Doctors often use it as a first-line tool to lower blood pressure. When a tablet fails dissolution testing, it may release too slowly or not fully.

That can reduce blood pressure control, which is the whole point of taking the drug. The FDA’s move aims to pull suspect bottles out of circulation before that quality slip shows up in clinic visits.

The specifics patients and pharmacists need

The September recall centers on batch RISA24002 with an expiration date of April 2027. Reports note the tablets were distributed nationwide in 100-count bottles. The June action focused on earlier shipments and, in some reports, included 1,000-count bottles used in pharmacy repackaging.

Patients should not stop medication on their own. Call your pharmacy to check the lot number on your bottle. If it matches, ask for guidance on replacement and next steps.

Widely used blood pressure medication recalled nationwide https://t.co/Y3YjWnZsOZ #FoxBusiness

— Greg Shields (@GregShield83077) September 30, 2026

The FDA classified the September action as a Class II recall on Sept. 17. Class II means a product may cause temporary or medically reversible health effects, and the chance of serious harm is remote.

That label can sound scary, but the definition points to a precautionary step. The target here is reliability—steady drug exposure day after day. Blood pressure control is a long game, and small drifts can add up.

How a pill “fails” without being contaminated

Dissolution tests simulate what happens after you swallow a tablet. Chemists measure how fast and how completely the drug leaves the tablet into a fluid bath. If the curve falls outside the specification, the company must investigate.

A tablet can look perfect and still miss the standard. For a blood pressure drug, under-delivery can leave readings a few points higher. Over months and years, that gap can raise risk for stroke and heart attack.

⚠️ Blood pressure medication recall: More than 25,000 bottles of chlorthalidone have been recalled after failing dissolution tests, which could affect how much medicine is absorbed. Check your medication before taking it. #PoisonHelp 1-800-222-1222https://t.co/wHVuzXVCwJ

— FL Poison Control (@FloridaPoison) September 29, 2026

Regulators and manufacturers should publish recall letters and test rationales faster and in plainer language. Patients deserve quick, concrete details they can act on without fear or confusion.

What to do today

Check the name, strength, and lot on your bottle. If you have chlorthalidone 25 milligrams and a label that matches RISA24002, call your pharmacy or doctor to confirm if you are affected. Ask for a replacement or a clinically equivalent option.

Keep taking your current pills unless your clinician tells you to stop. Track your home blood pressure for a week. If your numbers rise, call your care team. Bring your bottle to the pharmacy for return if requested.