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  1. Drug Side Effects Information on Over 5000 Medications

    Drug Side Effects Access detailed side effect information for thousands of prescription and over-the-counter medications, from common mild reactions to rare severe effects.

  2. Common Drug Side Effects: Types & FDA Regulations - WebMD

    Mar 15, 2024 · WebMD explains the different types of side effects of prescription and over-the-counter medications, and the role of the FDA in approving and regulating them.

  3. Finding and Learning about Side Effects (adverse reactions)

    However, both prescription and over-the-counter (OTC) drugs have side effects. Side effects, also known as adverse reactions, are unwanted undesirable effects that are possibly related to a drug.

  4. Medication side effects: What are your options? - Harvard Health

    Nov 20, 2024 · All medicines have potential side effects. Usually, side effects are more bothersome than serious –– though a few are dangerous. If you experience a …

  5. Drugs, Herbs and Supplements - MedlinePlus

    Learn about the side effects, dosages, and interactions of prescription drugs, over-the-counter medicines, herbs, and supplements.

  6. Side effects: Medication, types of effect, cancer treatment

    Oct 17, 2024 · Many treatments and medical procedures can cause side effects. Learn more about the types of effect that people may experience.

  7. Understanding Medication Side Effects: What to Expect and How …

    Mar 1, 2025 · Medication side effects are unwanted reactions that occur while taking a prescription or over-the-counter drug. They can range from mild to severe and vary widely …

  8. What Are Side Effects? A Medical Explanation

    May 15, 2025 · Sometimes side effects are transient — they appear as the body adjusts to a new medication and fade over time. Others may require long-term strategies. For example, …

  9. Dealing With Medicine Side Effects and Interactions

    Oct 25, 2024 · All medicines can cause side effects. Many people don't have side effects. And minor side effects sometimes go away after a while. But sometimes side effects can be a …

  10. Levothyroxine Side Effects: Common, Severe, Long Term

    Mar 11, 2024 · Learn about the side effects of levothyroxine, from common to rare, for consumers and healthcare professionals.