It is recommended to stop breastfeeding for a period of time after taking ibuprofen extended-release capsules while breastfeeding. Ibuprofen extended-release capsules are contraindicated in pregnant and breastfeeding women. Due to the long duration of the effects of ibuprofen extended-release capsules, it is recommended to stop breastfeeding if the drug is taken while breastfeeding, at least until 12 hours after stopping the medication. During this time, infant formula, etc. may be used instead of feeding. If adverse reactions such as nausea, vomiting, abdominal pain, rash, urticaria, itching, dyspnea, tachycardia, hypotension, etc. occur after taking ibuprofen extended-release capsules, it is recommended to stop taking the drug immediately and seek medical attention. Consumption of alcohol or alcoholic beverages is prohibited while taking the drug. Before taking any medication during breastfeeding, it is recommended to consult a clinician and use the medication under the physician’s guidance.