The FDA has announced a nationwide recall of a widely used over-the-counter nasal spray after testing revealed contamination with pathogenic bacteria capable of causing serious infections. The recall followed multiple reports of sinus infections and systemic illness linked to the affected lots.Source: Health.com (2025) https://www.health.com/nasal-spray-recall-december-2025-11868374 This isn’t just a manufacturing lapse. It is a toxicology […]
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Circadian Rhythm Disorders – Diagnosis
To diagnose a circadian rhythm disorder, your doctor may review your medical history; ask about your symptoms, sleep patterns, and environment; do a physical exam; and order diagnostic tests.
Vioxx: The $30B Toxicology Lesson Pharma Can’t Afford to Forget
According to MDLinx, Rofecoxib (Vioxx) — Merck’s blockbuster COX-2 selective anti-inflammatory drug — was withdrawn in 2004 after long-term clinical data revealed a significant increase in heart attack and stroke risk.
This single mechanistic toxicology failure erased more than $30 billion in market value, triggered historic litigation, and permanently reshaped FDA’s cardiovascular risk requirements.
Rezulin and the Toxicology Lessons We Still Haven’t Learned
How Troglitazone’s Hepatotoxicity Changed Drug Development Forever — and Why It Still Matters Today
Troglitazone (Rezulin), introduced by Warner-Lambert and later absorbed by Pfizer, was once celebrated as a breakthrough insulin-sensitizing therapy for type 2 diabetes. Within a few years, it became one of the most catastrophic toxicology failures in FDA history — linked to idiosyncratic yet sometimes fatal liver injury, multiple cases of acute liver failure, and a full U.S. market withdrawal in 2000.
High Blood Pressure Medication Voluntarily Recalled — What Toxicologists Saw Coming
According to The Hill, a widely used high-blood-pressure medication was voluntarily recalled after FDA testing identified contamination and quality issues that could pose serious risks to patients.
https://thehill.com/policy/healthcare/5636604-high-blood-pressure-medication-voluntarily-recalled-fda
Why do these recalls keep happening?
Because wherever chemistry, manufacturing, and patient exposure intersect — toxicology decides the outcome.
Here’s the one idea you should take away:
Environmental Risk Assessments (ERAs) for Pharmaceuticals: Global Regulatory Landscape and Implementation
Pharmaceuticals enter the environment via patient excretion, improper disposal, and manufacturing waste, prompting regulators worldwide to require environmental risk assessments (ERAs) as part of drug approvals. In an ERA, predicted environmental concentrations (PECs) of a drug are compared to ecotoxicity thresholds, often in a tiered fashion (Phase I screening followed by Phase II testing) [1]. This report analyzes ERA regulations and practice globally, from the EU and US to emerging regions in Asia, Latin America, the Middle East, and Africa. It integrates recent developments in China, India, Brazil, the Gulf Cooperation Council (GCC) countries, ASEAN nations, and African markets, alongside established frameworks (EU, US, Canada, Japan, Australia). Key findings include:
Heart-Healthy Living – Get Your Blood Pressure and Cholesterol Checked
Two of the major risk factors for heart disease are high blood pressure and high blood cholesterol. If either of these numbers is high, work with your doctor to get it to a healthy range.
Terpenes & Drug Interactions: The Brutal New Side Effect of Chronic Cannabis Use
The University of Arizona Health Sciences recently reported that cannabis terpenes themselves — not just cannabinoids — may provide measurable pain relief and contribute to the “entourage effect.”
Cannabis & Polypharmacy: The Brutal New Side Effect No One Warned You About
Project CBD recently reported a growing trend in the U.S.:
adults reducing or replacing prescription medications with cannabis, while others add cannabis on top of already complex drug regimens.
(Project CBD)
This is where the story turns from wellness to risk.