Advil is a brand name for ibuprofen, which is a nonsteroidal anti-inflammatory drug (NSAID) used to relieve pain, fever, and inflammation [1]. Advil is approved for use in children aged 6 months and older, but it should be used with caution and only under the supervision of a healthcare provider [2].

Ibuprofen is generally safe when used as directed, but it can cause serious side effects in some children. The most common side effects are stomach upset, nausea, vomiting, and diarrhea. In rare cases, ibuprofen can cause serious side effects such as allergic reactions, stomach bleeding, kidney damage, and liver damage [3].

It is important to follow the dosing instructions carefully and not exceed the recommended dose. The dose of ibuprofen is based on the child's weight, so it is important to weigh the child before giving the medication. It is also important to use the appropriate measuring device, such as a syringe or dropper, to ensure that the correct amount of medication is given [2].

Parents should also be aware that ibuprofen should not be given to children who are dehydrated or have a history of stomach ulcers or bleeding. Children with certain medical conditions, such as asthma, heart disease, or kidney disease, may also be at increased risk for side effects from ibuprofen [3].

In summary, Advil (ibuprofen) can be safe for children when used as directed and under the supervision of a healthcare provider. Parents should be aware of the potential side effects and use caution when giving this medication to their children. It is important to follow the dosing instructions carefully and not exceed the recommended dose [2][3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/ADVIL
[2] https://medlineplus.gov/ency/patientinstructions/000772.htm
[3] https://health.choc.org/acetaminophen-vs-ibuprofen-a-guide-for-parents/