Pharmaceuticals and Supplements Encyclopedia — RXMedicin

Welcome to RXMedicin, your quick source for clear, practical info on prescription drugs, over-the-counter medicines, and supplements. Use the categories menu to jump to Health and Wellness, Medications, or Supplements; each page gives uses, common doses, side effects, and safety tips.

Want to buy medicine online? Read our pharmacy guides and safety checklists before you order. We list trusted online pharmacies, how to spot red flags, and what questions to ask your pharmacist. If a site asks for no prescription for prescription-only drugs, treat that as a warning.

How to find reliable drug info

Start with the drug page: look for active ingredient, typical doses, interactions, and real‑world tips. We link to clinical sources and professional guidance so you can verify facts fast. For supplements, we cover evidence, typical benefits, and safe dosing ranges.

Need help?

Use our Contact page to ask about a topic or report a bad pharmacy. We don’t replace medical advice—always check with your clinician before changing treatment. Read our Privacy and Data pages if you care about how we handle information.

Bookmark RXMedicin for quick access to drug guides, practical tips, and updated health news every week. Stay informed today.

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Keeping a Medication Journal: Tracking Your Response to Generic Medications

Keep a simple medication journal when switching to generic drugs to track side effects, effectiveness, and manufacturer changes - especially for thyroid, blood thinners, or seizure meds. Small differences can impact how you feel.

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DOAC Dosing in Obesity: What You Need to Know About Efficacy, Safety, and Side Effects

Learn how DOACs like apixaban, rivaroxaban, dabigatran, and edoxaban work in obese patients. Find out which ones are safe, which to avoid, and why standard doses still work-even for extreme obesity.

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Antitrust Issues in Generic Substitution: How Big Pharma Blocks Cheaper Drugs

Big pharma is using legal loopholes to block cheaper generic drugs by pulling older versions off the market. Learn how product hopping, REMS abuse, and court rulings are affecting drug prices and what’s being done to stop it.

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Smoking and Heart Disease: Proven Cessation Strategies That Save Lives

Quitting smoking is the most effective way to reduce heart disease risk-cutting heart attack chances in half within a year. Learn proven strategies, medications, and timelines that save lives.

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Statistical Analysis in BE Studies: How to Calculate Power and Sample Size Correctly

Learn how to correctly calculate power and sample size for bioequivalence studies to avoid costly failures. Understand CV%, GMR, regulatory requirements, and tools used by industry professionals.

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Tuberculosis: Understanding Latent Infection, Active Disease, and How Drug Therapy Works

Tuberculosis can remain hidden for years as latent infection or become deadly as active disease. Learn how to tell them apart, why treatment differs, and how drug therapy stops transmission and saves lives.

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PTSD Nightmares: How Prazosin and Sleep Therapies Really Work

PTSD nightmares are common and debilitating. Learn how prazosin and sleep therapies like CBT-I and IRT work, what the research says, and which options actually lead to lasting recovery.

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Mood and Behavioral Changes from Corticosteroids: Understanding the Psychosis Risk

Corticosteroids can trigger mood swings, mania, and even psychosis - especially at high doses or in older adults. Learn the signs, risks, and what to do if you or a loved one experiences psychiatric side effects.

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European Generic Markets: Regulatory Approaches Across the EU in 2025

The EU's generic drug system uses four approval paths with major 2025 reforms to speed up access. Learn how bioequivalence rules, national differences, and new regulations impact market entry and pricing.