How many days does it take for an 8-month-old baby's mouth ulcer to heal?

For an 8-month-old infant, the recovery time from oral ulcers typically depends on the severity of the condition and the baby's individual constitution. Generally, oral ulcers are self-limiting in most cases, meaning they will heal on their own after reaching a certain stage. In 8-month-old babies, the recovery period usually ranges from 7 to 14 days. During this time, if the baby has mild symptoms and a relatively strong immune system, healing may occur more quickly, within approximately 7 days. However, if the ulcers are more severe—such as larger size, deeper lesions—or if the baby's immunity is weaker, recovery may take longer, possibly up to 10 or even 14 days. If necessary, parents may also administer medications such as oral ulcer powder or Bingbor powder according to medical advice.