The maximum dose prescribed under a doctor's care is g daily. Otherwise, the over-the-counter (OTC) maximum daily dose is g daily. Dosage depends upon the age, weight, and any current medical conditions of the patient. Several drugs interact with ibuprofen so check with your doctor, pharmacist, or other health care professional with questions in regard to this drug. Doctors don't know if it is safe to take ibuprofen if your are pregnant, therefore it is not recommended if you are pregnant. According to the American Academy of Pediatrics, ibuprofen is safe to take while breastfeeding.
Sometimes the surrounding areas of an injury can hurt a bit, but having the pain extend up your leg is unusual. When the doctor confirmed your broken toe, did he also look into your ankle and leg. Although I don’t know the details of the initial injury there’s a chance you may have injured the ankle and leg as well. This pain may be related to the broken toe, but could also just be bruised, or stressed. It’s likely that that the broken toe has something to do with the pain int he ankle and foot, but we need to distinguish whether the other parts were hurt in the initial trauma or as a result of the broken toe.