Author: Mark O'Neill

Learn how to create a personalized Medication Action Plan with your care team to improve adherence, avoid dangerous interactions, and take control of your daily medication routine. Step-by-step guide for patients on multiple prescriptions.

Global drug safety monitoring is becoming more aligned through ICH guidelines, AI tools, and shared data systems. Learn how harmonized pharmacovigilance reduces delays, cuts costs, and saves lives - and where gaps still remain.

Probiotics can be dangerous for people on immunosuppressants, risking life-threatening infections. Learn who’s at risk, which strains to avoid, and what safer alternatives exist.

NTI drugs have a tiny margin between safe and toxic doses. Common examples include warfarin, lithium, digoxin, and tacrolimus. Even small changes in dose or brand can cause serious harm. Regular blood tests and strict adherence are critical for safety.

OCT, fundus photography, and fluorescein angiography are essential tools for diagnosing eye diseases. Learn how each works, what they show, and why doctors use them together to protect your vision.

Steroid use can cause dangerous blood sugar spikes in people with or without diabetes. Learn how to adjust insulin doses, monitor glucose effectively, and avoid hypoglycemia during steroid tapering with evidence-based strategies.

Chemotherapy drug interactions can be life-threatening. Learn which medications, supplements, and foods interfere with cancer treatment, who's at risk, and how to stay safe during therapy.

Alpha-1 antitrypsin deficiency is a genetic cause of early-onset COPD and liver disease. Learn how it differs from smoking-related COPD, how it's diagnosed, and what treatments like augmentation therapy can do-plus what’s coming next.

Learn how to report adverse drug reactions to FDA MedWatch - whether you're a patient, doctor, or pharmacist. Step-by-step guide on forms, what to report, and why your report matters for drug safety.

The FDA's Purple Book is the official guide to biosimilars and interchangeable biologics in the U.S. Learn how it works, who can substitute these drugs, and why the distinction matters for cost and care.