 [ Symptoms ] how can i help my overweight child lose weight [ Disease ] assuming you are not allergic to ibuprofen the answer is yes by all means take some for the pain of strep throat ugh ibuprofen does not interact with antibiotics so it is ok to take everything at the same time if you also were given oral antibiotics if you are an adult you should not take more than 2400mg of ibuprofen in a 24 hour period you can divide that up in different ways but you should never take more than 800mg of ibuprofen at a time children is dosing for ibuprofen is significantly different from adult dosing if you weigh less than 95 pounds you should consult a pharmacist for directions on how to take ibuprofen wishing you well