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Top 5 Common Medication Errors

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Top 5 Common Medication Errors

Top 5 Common Medication Errors

Use of household measuring devices

The pharmacological definition of a teaspoon is 5 ml. However, household “teaspoons” vary in size from 2 ml to 10 ml. To ensure accuracy when measuring, pharmacists should encourage consumers (especially parents of young children) to buy graduated cylinders in various sizes (e.g. 10 and 20 ml) for at home use. Most syrup containers for cough and cold medicines come pre-packaged with measuring devices to prevent errors.

Misinterpretation of Dosing Information on Labels

“Take two aspirin twice a day” or “Take two Tylenol three times a day” can be misinterpreted as “Take two aspirin, once at 8 am and again at 11 am” or “Take two Tylenol, once at 8 am, again at 11 am, and again at 2 pm”. Pharmacists should inform patients that twice a day (BID) and three times a day (TID) dosing should be spread out over an 18 – 24 hour period. For example, an ideal BID dosing would be 8 am and 8 pm, and an ideal TID dosing would be 6 am, 2 pm, and 10 pm.

 Age Based Dosing Rather Than Weight Based Dosing

Neonates and children less than 12 years old are often dosed based upon their age, rather than their weight. However, a child that is >70 kg is often better dosed at a per/kg rate rather than based on age; especially when the drug is lipophilic.

Duplication via Multiple Ingredients

A patient that is experiencing multiple symptoms (e.g. fever, cough, and sore throat) may benefit from the use of different ingredients that target each symptom individually. However, the use of multiple products may place patients at risk for acetaminophen or salicylate toxicity. For example, the use of oral aspirin with topical pain relieving patches (many of which already contain methyl salicylate) increases a patient’s exposure to salicylates. Pharmacists can play a key role in informing patients that many cough and cold products already contain duplicate ingredients, and helping them to tailor over the counter therapy to their specific needs.

Not Referring to an MD

While self treatment is useful, and often sufficient, most over the counter medications should not be used for > 7 days. There are specific situations that require immediate referral to a medical doctor. These include, but are not limited to:

Patients <2 years of age

Pelvic or abdominal pain not related to menstruation

Fever >101 degrees Fahrenheit in most patients

Fever lasting > 3 days, with or without treatment

Patients who are experiencing spots, rash, lack of appetite, and vomiting

Pain lasting > 2 weeks

Pain that continues after 7 days of treatment

Last updated April 2013

F. Zaria Chinelo, Pharm.D. (25 Posts)

F. Zaria Chinelo is an internationally recognized award winning writer, artist, scientist, and entrepreneur. She holds multiple degrees in Pharmacy, Molecular& Cell Biology, Chemistry, and Psychology. As a Pharmacy Law Expert, Zaria helps professionals and organizations avoid potential liability. As an Organizational Management Expert, Zaria helps businesses recruit and retain sustainable talent. Zaria also helps individuals positively impact their career. Dr. Chinelo writes passionately about various topics.


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