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You may be seeing new sides to your baby's behaviour at 4 months. He or she may have a range of emotions, including anger, joy, fear, and surprise. Your baby may be much more social and may laugh and smile at other people.
At this age, your baby may be ready to roll over and hold on to toys. He or she may coo, smile, laugh, and squeal. By the third or fourth month, many babies can sleep up to 7 or 8 hours during the night and develop set nap times.
Follow-up care is a key part of your child's treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if your child is having problems. It's also a good idea to know your child's test results and keep a list of the medicines your child takes.
Watch closely for changes in your child's health, and be sure to contact your doctor or nurse call line if:
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Current as of: August 21, 2019
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Kathleen Romito MD - Family Medicine & Susan C. Kim MD - Pediatrics
Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.
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