“…However, there have been many variations in terms of the clinical use of propranolol. For example, there are still worldwide variations in the optimal dose, frequency and total treatment duration used by different institutes . Moreover, the side effects of this medication have to be addressed and monitored for patient safety, even though the short‐term side effects, such as hypoglycaemia, bradycardia and hypotention, are rarely found in the treatment of infantile haemangiomas.…”