{"id":7270,"date":"2025-09-07T00:01:00","date_gmt":"2025-09-07T08:01:00","guid":{"rendered":"https:\/\/www.osmosis.org\/blog\/?p=7270"},"modified":"2025-10-02T13:08:03","modified_gmt":"2025-10-02T21:08:03","slug":"dosage-calculation-amoxicillin","status":"publish","type":"post","link":"https:\/\/www.osmosis.org\/blog\/dosage-calculation-amoxicillin","title":{"rendered":"Dosage Calculation: Amoxicillin"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong><em>Accurate pediatric dosing is vital for effective treatment. Consider how the nurse calculates the amoxicillin oral suspension dose for a 5-year-old patient. How many mL should be administered per dose?<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A 5-year old patient weighing 20 kg is diagnosed with otitis media and is prescribed amoxicillin oral suspension. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The healthcare provider prescribes 30 mg\/kg per day divided into a dose every 8 hours. The bottle containing the medication contains 400 mg\/5 mL. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>How many mL should the nurse administer per dose? <\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Round answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.<\/li>\n\n\n\n<li> Any rounding should be completed at the end of the calculation. <\/li>\n\n\n\n<li>The answer must be numeric only. Do not add any units of measurement.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><em><strong>Scroll down for the answer!<\/strong><\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" height=\"1024\" width=\"1024\" src=\"https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_1.png?w=1024\" alt=\"DOSAGE CALCULATION\nRx\nTotal amount of medication\/day = Prescribed dose\/Client weight\nTotal amount of medication\/day = 30 mg\/kg x 20 kg\nTotal amount of medication\/day = 600 mg\" class=\"wp-image-7272\" srcset=\"https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_1.png 1080w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_1.png?resize=150,150 150w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_1.png?resize=300,300 300w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_1.png?resize=768,768 768w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_1.png?resize=1024,1024 1024w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" height=\"1024\" width=\"1024\" src=\"https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_2.png?w=1024\" alt=\"Rx\n# of doses\/day = Total hours\/day\/Dosage frequency\n# of doses\/day = 24 hours\/8 hours\n# of doses\/day - 3 doses\" class=\"wp-image-7273\" srcset=\"https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_2.png 1080w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_2.png?resize=150,150 150w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_2.png?resize=300,300 300w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_2.png?resize=768,768 768w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_2.png?resize=1024,1024 1024w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" height=\"1024\" width=\"1024\" src=\"https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_3.png?w=1024\" alt=\"Rx\nDesired amount\/dose = Total amount of medication\/day \/ # of doses\/day\nDesired amount\/dose = 600 mg\/3 doses\nDesired amount\/dose = 200 mg\" class=\"wp-image-7274\" srcset=\"https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_3.png 1080w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_3.png?resize=150,150 150w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_3.png?resize=300,300 300w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_3.png?resize=768,768 768w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_3.png?resize=1024,1024 1024w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" height=\"1024\" width=\"1024\" src=\"https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_4.png?w=1024\" alt=\"Rx\nX= Desired x Quantity\/Have\nX = 200 mg x 5 mL\/400 mg\nX = 2.5 mL\nAnswer: 2.5 mL\" class=\"wp-image-7275\" srcset=\"https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_4.png 1080w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_4.png?resize=150,150 150w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_4.png?resize=300,300 300w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_4.png?resize=768,768 768w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/09\/Amoxicillin_Answer_4.png?resize=1024,1024 1024w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Want to learn more about this topic? <\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Watch the Osmosis video: <a href=\"https:\/\/www.osmosis.org\/learn\/Antibiotics_-_Penicillins:_Nursing_Pharmacology\">Antibiotics &#8211; Penicillins: Nursing pharmacology<\/a><\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/www.osmosis.org\/plans\/rn\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"250\" src=\"https:\/\/hm-healthdigital-multisite.go-vip.net\/osmosisblog\/wp-content\/uploads\/sites\/2\/2025\/01\/Blog_Display_Ads_RN1_2023_535910.png\" alt=\"\" class=\"wp-image-5083\" srcset=\"https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/01\/Blog_Display_Ads_RN1_2023_535910.png 700w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2025\/01\/Blog_Display_Ads_RN1_2023_535910.png?resize=300,107 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Access your&nbsp;<a href=\"https:\/\/www.osmosis.org\/login?type=create\" target=\"_blank\" rel=\"noreferrer noopener\">free trial<\/a>&nbsp;to Osmosis today and discover why millions of nurses love learning with us<\/em><\/strong>!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Test your nursing math skills by calculating the correct amoxicillin oral suspension dose for a 5-year-old child with otitis media based on weight and dosing schedule.<\/p>\n","protected":false},"author":207,"featured_media":8023,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[20,29,32],"tags":[1268,1271,259,1273,1270,1272,1269,1267,267,379],"class_list":["post-7270","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-exam-prep","category-nclex","category-nursing","tag-amoxicillin","tag-antibiotic-dosing","tag-dosage-calculation","tag-medication-calculation","tag-nursing-math","tag-oral-suspension","tag-otitis-media","tag-pediatric-dosing","tag-pediatric-nursing","tag-weight-based-dosing"],"yoast_head":"<!-- This site is optimized with the 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