Amoxicillin capsules dosage and frequency for 80 pounds children are related to the type of disease, age and other factors, and should be used under medical supervision. Amoxicillin capsule is a broad-spectrum semi-synthetic penicillin antibiotic, which can inhibit bacterial cell wall synthesis, and has a powerful bactericidal effect on most disease-causing gram-positive and negative bacteria, and can be used for the treatment of ear, nose, and throat infections, skin and soft-tissue infections, urogenital tract infections, lower respiratory tract infections and so on. One day dose for children is 20-40mg/kg according to body weight, once every 8 hours; one day dose for infants under 3 months old is 30mg/kg according to body weight, once every 12 hours. The dose should be adjusted in patients with severe renal impairment. Amoxicillin use may cause gastrointestinal reactions such as diarrhea, nausea, vomiting, and adverse reactions such as maculopapular rash, urticaria, thrombocytopenia, and elevated serum transaminases. Amoxicillin capsule instructions may vary from manufacturer to manufacturer, the specific dosage for children should follow the doctor’s instructions, if there is discomfort in use, you should seek medical attention.