Written by Mark O'Neill
Switching between different generic medications is common but can be risky for certain drugs like thyroid medication or blood thinners. Learn which generics are safe to switch and how to protect yourself from dangerous changes.
Written by 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.
Written by Mark O'Neill
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.
Written by Mark O'Neill
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.
Written by Mark O'Neill
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.
Written by Mark O'Neill
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.
Written by Mark O'Neill
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.
Written by Mark O'Neill
Opioid-induced constipation affects up to 95% of chronic opioid users and doesn't improve on its own. Learn why fiber doesn't help, what laxatives actually work, and which prescription drugs target the root cause without reducing pain relief.
Written by Mark O'Neill
GDUFA funds FDA reviews of generic drugs through industry fees, cutting approval times from years to months and saving patients trillions. Learn how it works, who pays, and why it matters.
Written by Mark O'Neill
The Naranjo Scale is a widely used tool to determine if a drug caused an adverse reaction. Learn how its 10-question scoring system works, where it's used, its strengths, limitations, and why it's still the gold standard in drug safety assessment.