Indications And Dose
Susceptible infections (e.g. sinusitis, salmonellosis, oral infections) ▶BY MOUTH ▶Child 1–11 months: 125 mg 3 times a day; increased if necessary up to 30 mg/kg 3 times a day ▶Child 1–4 years: 250 mg 3 times a day; increased if necessary up to 30 mg/kg 3 times a day ▶Child 5–11 years: 500 mg 3 times a day; increased if necessary up to 30 mg/kg 3 times a day (max. per dose 1 g) ▶Child 12–17 years: 500 mg 3 times a day; increased if necessary up to 1 g 3 times a day, use increased dose in severe infections ▶Adult: 500 mg every 8 hours, increased if necessary to 1 g every 8 hours, increased dose used in severe infections ▶BY INTRAMUSCULAR INJECTION ▶Adult: 500 mg every 8 hours ▶BY INTRAVENOUS INJECTION, OR BY INTRAVENOUS INFUSION ▶Adult: 500 mg every 8 hours, increased to 1 g every 6 hours, use increased dose in severe infections Community-acquired pneumonia ▶BY MOUTH ▶Child 1–11 months: 125 mg 3 times a day for 5 days; increased if necessary up to 30 mg/kg continued → 3 times a day ▶Child 1–4 years: 250 mg 3 times a day for 5 days; increased if necessary up to 30 mg/kg 3 times a day ▶Child 5–11 years: 500 mg 3 times a day for 5 days; increased if necessary up to 30 mg/kg 3 times a day (max. per dose 1 g 3 times a day) ▶Child 12–17 years: 500 mg 3 times a day for 5 days; increased if necessary up to 1 g 3 times a day ▶Adult: 500 mg 3 times a day for 5 days; increased if necessary to 1 g 3 times a day Infection Acute exacerbation of bronchiectasis ▶BY MOUTH ▶Child 1–11 months: 125 mg 3 times a day for 7–14 days ▶Child 1–4 years: 250 mg 3 times a day for 7–14 days ▶Child 5–17 years: 500 mg 3 times a day for 7–14 days ▶Adult: 500 mg 3 times a day for 7–14 days Acute exacerbation of chronic obstructive pulmonary disease ▶BY MOUTH ▶Adult: 500 mg 3 times a day for 5 days, increased if necessary to 1 g 3 times a day, increased dose used in severe infections ▶BY INTRAVENOUS INJECTION, OR BY INTRAVENOUS INFUSION ▶Adult: 500 mg every 8 hours, increased to 1 g every 6 hours, increased dose used in severe infections Acute cough [if systemically very unwell or at higher risk of complications] ▶BY MOUTH ▶Child 1–11 months: 125 mg 3 times a day for 5 days ▶Child 1–4 years: 250 mg 3 times a day for 5 days ▶Child 5–17 years: 500 mg 3 times a day for 5 days ▶Adult: 500 mg 3 times a day for 5 days Acute otitis media ▶BY MOUTH ▶Child 1–11 months: 125 mg 3 times a day for 5–7 days ▶Child 1–4 years: 250 mg 3 times a day for 5–7 days ▶Child 5–17 years: 500 mg 3 times a day for 5–7 days Lyme disease [erythema migrans and/or non-focal symptoms] | Lyme disease [affecting cranial nerves or peripheral nervous system] ▶BY MOUTH ▶Adult: 1 g 3 times a day for 21 days Lyme arthritis | Acrodermatitis chronica atrophicans ▶BY MOUTH ▶Adult: 1 g 3 times a day for 28 days Anthrax (treatment and post-exposure prophylaxis) ▶BY MOUTH ▶Adult: 500 mg 3 times a day Dental abscess (short course) ▶BY MOUTH ▶Adult: 3 g, then 3 g after 8 hours Listerial meningitis (in combination with another antibiotic) ▶BY INTRAVENOUS INFUSION ▶Adult: 2 g every 4 hours Endocarditis (in combination with another antibiotic if necessary) ▶BY INTRAVENOUS INFUSION ▶Adult: 2 g every 4 hours Helicobacter pylori eradication [in combination with other drugs (see Helicobacter pylori infection p. 89)] ▶BY MOUTH ▶Adult: 1 g twice daily for 7 days for first- and second- line eradication therapy; 10 days for third-line eradication therapy Acute diverticulitis [in combination with gentamicin and metronidazole] ▶BY INTRAVENOUS INJECTION, OR BY INTRAVENOUS INFUSION ▶Adult: 500 mg every 8 hours; increased if necessary to 1 g every 6 hours, increased dose used in severe infections Prophylaxis of recurrent urinary-tract infection ▶BY MOUTH ▶Adult: 250 mg once daily, dose to be taken at night, alternatively 500 mg for 1 dose, following exposure to a trigger Lower urinary-tract infection in pregnancy ▶BY MOUTH ▶Adult: 500 mg 3 times a day for 7 days Lower urinary-tract infection ▶BY MOUTH ▶Child 3–11 months: 125 mg 3 times a day for 3 days ▶Child 1–4 years: 250 mg 3 times a day for 3 days ▶Child 5–15 years: 500 mg 3 times a day for 3 days Urinary-tract infections (short course) ▶BY MOUTH ▶Adult: 3 g, then 3 g after 10–12 hours Asymptomatic bacteriuria in pregnancy ▶BY MOUTH ▶Adult: 250–500 mg 3 times a day, alternatively 750–1000 mg twice daily Urinary-tract infection (catheter-associated) ▶BY MOUTH ▶Child 16–17 years: 500 mg 3 times a day for 7 days ▶Adult: 500 mg 3 times a day for 7 days l UNLICENSED USE Amoxicillin doses in BNF Publications may differ from those in product literature. g Duration of treatment for acute otitis media differs from product literature and adheres to national guidelines. h g Amoxicillin is used for the treatment of acute exacerbation of bronchiectasis, h but is not licensed for this indication. g Amoxicillin is used for prophylaxis of recurrent urinary-tract infection, h but is not licensed for this indication. g Combination regimens and durations for Helicobacter pylori eradication may differ from product literature but adhere to national guidelines. h
Source pages 601, 602

