Inaccuracies in dosing drugs with teaspoons-tablespoons
Résumé
Background We aimed to evaluate the potential inaccuracies in administering the desired dose of drugs with teaspoons and tablespoons. Methods We collected all the different teaspoons/tablespoons that were available in 25 households in the area of Attica, Greece and measured their volume capacity (ml). Results A total of 71 teaspoons and 49 tablespoons were provided from the 25 female (mean age 48.0 years) study participants. When these utensils were filled with water, the volume capacity of the 71 teaspoons ranged from 2.5 to 7.3 ml; mean volume was 4.4 ml; median was 4.4 ml. When the standardized teaspoon was used, the volume ranged from 3.9 to 4.9 ml among the total of the 25 study participants. When a subset of 5 study participants filled this teaspoon with paracetamol syrup, mean volume was 4.8ml. Conclusions Teaspoons and tablespoons are unreliable dosing devices and thus their use should no longer be recommended.
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