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MiraLAX is generally safe for kids aged 6 months and older, but it is not labeled for kids under 17. Do not give any amount of MiraLAX to a child who is 16 or younger without talking to their pediatrician. It’s important to get the right dosage based on the child’s size and age. Too much MiraLAX may cause very watery stools and possibly dehydration, while too little may not be effective. For a pre-teen or teen, the doctor will probably advise you to give a standard 17-gram dose. For younger kids, they might recommend a half-dose, in which case you’ll need to fill the cap halfway up to the marked line. For reference, the standard dosage rates for children are as follows:  Kids 6 months and older: 0.5 - 1.5 g per 1 kg (2.2 lb) of body weight. Kids 2 years and older: 1.5 g per 1 kg (2.2 lb) of body weight. A child who weighs over 12 kg (26 lb) is likely to be given a full adult dose—but always check with your doctor. Contact your doctor if you aren’t sure what the correct dose is for your child. Let them know your child’s age and weight when you ask them. While rare, children may experience the same serious side effects as adults when using MiraLAX. Stop using the product and tell the doctor right away if the child has any of the following:  Worsening nausea, vomiting, or abdominal pain Severe diarrhea Rectal bleeding
Contact your doctor before giving MiraLAX to kids under 17. Clarify the pediatric dosing instructions with your doctor. Contact the doctor right away if your child experiences side effects.