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Medication Errors
Reviewed by Medicinsk Expert•Last updated: 2026-10-22•Drug Therapy

Medication Errors

While medicines are vital for treating disease and managing pain, they can cause harmful reactions if not used correctly.

Preventing Medication Errors

Errors can happen in the hospital, at the health care provider's office, at the pharmacy, or at home. You can help prevent errors by:

  • Knowing your medicines. When you get a prescription, ask the name of the medicine and check to make sure that the pharmacy gave you the right medicine. Make sure that you understand how often you should take the medicine and how long you should take it.
  • Keeping a list of medicines.
    • Write down all of the medicines that you are taking, including the names of your medicines, how much you take, and when you take them. Make sure to include any over-the-counter medicines, vitamins, supplements, and herbs that you take.
    • List the medicines that you are allergic to or that have caused you problems in the past.
    • Take this list with you every time you see a health care provider.
  • Reading medicine labels and following the directions. Don't just rely on your memory - read the medication label every time. Be especially careful when giving medicines to children.
  • Asking questions. If you don't know the answers to these questions, ask your health care provider or pharmacist:
    • Why am I taking this medicine?
    • What are the common side effects?
    • What should I do if I have side effects?
    • When should I stop this medicine?
    • Can I take this medicine with the other medicines and supplements on my list?
    • Do I need to avoid certain foods or alcohol while taking this medicine?

Frequently Asked Questions

Use a weekly pill organizer or a medication management app to sort your doses by day and time. Keep all medications in their original labeled containers if possible, or clearly label the organizer with the drug name and dose. Store medications in a cool, dry place away from moisture, such as the bathroom, and keep them out of reach of children and pets. Regularly check expiration dates and dispose of expired or unused medications properly to avoid confusion with current prescriptions. How can I ensure that the pharmacy gives me the correct medication when I pick up a new prescription?::When picking up a new prescription, verify the medication name, strength, and quantity against your prescription slip before leaving the counter. Ask the pharmacist to explain the purpose of the drug and any specific instructions for use. If you are unsure about a medication, do not hesitate to ask the pharmacist to double-check the label. Additionally, compare the new medication with any similar-looking drugs you already have at home to avoid accidental mix-ups. What should I do if I accidentally take the wrong dose of my medication?::If you realize you have taken an incorrect dose, do not panic. First, check the medication label or call your pharmacist or healthcare provider for specific guidance. Do not take an extra dose to make up for a missed one unless explicitly instructed to do so. If you suspect you have taken a potentially dangerous amount or are experiencing severe symptoms like difficulty breathing, chest pain, or extreme drowsiness, call emergency services or a poison control center immediately. How can I prevent medication errors when traveling or staying in a hospital?::When traveling, carry a written list of all your current medications, including dosages and schedules, in your carry-on luggage. Inform airline staff and hotel personnel if you have specific storage needs, such as refrigeration. When hospitalized, provide your healthcare team with a complete list of all medications you are taking, including over-the-counter drugs and supplements, to prevent duplicate dosing or harmful interactions. Always ask nurses to confirm the medication name and dose before administering it, and do not hesitate to ask questions if something seems unfamiliar.
Source: MedlinePlus, National Library of Medicine

MedlinePlus brings together authoritative health information from the National Library of Medicine (NLM), the National Institutes of Health (NIH), and other government agencies and health-related organizations.

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