Safe Use of Over-the-Counter Medicine


It can be easy to misuse over-the-counter medicines and put kids’ health at risk, so we recommend parents use our online Dosage Calculator. 

Our online online Dosage Calculator helps you determine the correct dosage for ibuprofen (Advil and Motrin), acetaminophen (Tylenol), and ​diphenhydramine (Benadryl). 

All three of these medicines may seem harmless, but overdosing can carry serious risks. So, we always recommend following the tips below when giving your child any of these medications. 

The Risks of Underdosing or Overdosing Your Child

Exceeding the recommended dosage of over-the-counter medicine can have serious consequences. 

  • Ibuprofen (Advil and Motrin): an overdose may lead to kidney damage or gastrointestinal issues such as ulcers and bleeding. 
  • Acetaminophen (Tylenol): an overdose is particularly dangerous, potentially causing severe liver damage or acute liver failure, which can be life-threatening. 
  • Diphenhydramine (Benadryl): an overdose can result in excessive sedation, respiratory problems, and other severe side effects.

If you underdose your child, the medicine won’t provide adequate relief, which not only means your child’s suffering is prolonged, but you’re more likely to need to administer additional treatments. 

The Basics in Safe Use of Over-the-Counter Medicine

Before giving your child any over-the-counter medicine, always read the instruction labels carefully. These are important things to note:

  • Age appropriate: Make sure your child is old enough for this medication. If your child’s age is under the recommended use, consult your provider at Pediatrics West. 
  • Expiration date: Do not give medicine that is expired.
  • Note the prescribed timing for dosage: Each medication has a recommended time before subsequent dosages. Write down the time you give a dosage and share with other caretakers in the home to prevent double dosing. 
  • Combining Medicines: Some medications are safe to overlap, such as ibuprofen and acetaminophen. Cold medicines often combine multiple medications, such as acetaminophen, and should be read carefully and used with caution to prevent overdosing. If you are unsure if two medications are safe to use at the same time, consult Pediatrics West. 
  • Dosage Measurement: For liquid medications, always use the dosing device that comes with your child’s medicine. Do not use a kitchen teaspoon or tablespoon for measurement. 
  • Safe Storage: Always keep medications out of the reach of children.
  • Watch for Allergic Reactions & Side Effects: Even if you give the appropriate dose, your child may still have side effects or allergic reactions to a medication. For example, sleepiness is a common side effect of diphenhydramine. You should contact your provider at Pediatrics West if you see signs of allergic reactions to a medication, such as a rash, itching or swelling, dizziness, or trouble breathing. 

How to Use Our Over-the-Counter Medicine Dosage Calculator for Kids

Before administering any over-the-counter medicine, you will need to know the strength of the medication and your child’s weight. 

The strength of medications can vary, so it’s very important to note the milligrams (mg) shown on the front of the box or bottle before using the dosage calculator. 

Many medications give dosage recommendations based on both weight and age. Because children’s weight can vary greatly based on their age, weight is the most accurate for determining the right dosage for your child. Remember, do not give medication to a young child under the recommended age limit (even if their weight is on the chart). Always check with your provider first. 

Go to our online Dosage Calculator and select the medication, the type (tablets, liquid, and strength), and your child’s weight. Then, follow the dosage guideline and directions on the calculator. 

When in Doubt: Contact Your Provider 

Pediatrics West is here to help if you have questions about how to use the appropriate over-the-counter medicine for your child by contacting us at (720) 284-3700.

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