Category: Medications - Page 4
FDA Listing for Biosimilars: How They Are Evaluated and Approved
The FDA doesn't rate biosimilars like generics - it rigorously evaluates them for high similarity and no clinically meaningful differences. Learn how the approval process works, what 'interchangeable' means, and why biosimilars are safe and cost-effective.
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Drug Interaction Issues: When Generics Interact Unexpectedly
Generic drugs are just as safe as brand-name versions, but misconceptions about interactions persist. Learn why some people feel different after switching - and how to stay safe without overpaying.
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When to Avoid a Medication Family After a Severe Drug Reaction
After a severe drug reaction, you may need to avoid an entire medication family-but not always. Learn when cross-reactivity is real, when it’s a myth, and how to get tested to avoid unnecessary restrictions.
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Batch Variability and Bioequivalence: What Acceptable Limits Really Mean for Generic Drugs
Batch variability can make or break generic drug safety. Learn how regulators are changing bioequivalence standards to ensure consistent, reliable generic medications-without compromising access or cost.
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How to Check for Drug Interactions at Home Safely
Learn how to safely check for drug interactions at home using free tools, what to look for, and when to call your pharmacist. Avoid dangerous combos between prescriptions, OTC meds, and supplements.
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Renal Dosing for Metformin and SGLT2 Inhibitors: When to Adjust in 2025
Updated 2025 guidelines on when to adjust metformin and SGLT2 inhibitor doses in kidney disease. Know the eGFR thresholds, what to do when levels drop, and how to fight insurance denials.
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FDA Authorization of Generics: Legal Basis and Approval Process
The FDA approves generic drugs through the Hatch-Waxman Act's ANDA pathway, ensuring they match brand-name drugs in safety, strength, and effectiveness. Over 90% of U.S. prescriptions are for generics, saving billions annually.
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FDA Bioequivalence Standards for NTI Drugs: What You Need to Know
The FDA enforces stricter bioequivalence standards for narrow therapeutic index (NTI) drugs like warfarin, phenytoin, and digoxin. Learn how 90-111% limits, replicate studies, and tighter quality controls ensure patient safety with generic versions.
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Generic Copays vs Brand Copays: Average 2024 Costs Explained
Learn the real costs of generic vs brand-name drug copays in 2024. See how Medicare and private plans charge differently, what’s changing in 2025, and how to save money on prescriptions.
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St. John’s Wort and Dangerous Drug Interactions: What You Must Know
St. John's Wort may help with mild depression, but it can dangerously reduce the effectiveness of warfarin, birth control, HIV meds, and transplant drugs. Learn the real risks and what you must do to stay safe.
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