According to the sources provided, it is generally safe to give a child Advil and cough syrup together, but it is important to follow proper dosage guidelines and consult with a pediatrician before administering any medication to a child.

Advil, which contains ibuprofen, is a nonsteroidal anti-inflammatory drug (NSAID) that can help reduce fever and relieve pain. It is available in various forms, including tablets, capsules, and liquid suspension [1]. Cough syrup, on the other hand, is a medication used to treat cough and cold symptoms. However, the American Academy of Pediatrics recommends against giving cough and cold medications to children under the age of 6, as they can have potentially harmful side effects and may not be effective [2].

If a child is experiencing fever and pain in addition to cough symptoms, a pediatrician may recommend giving Advil in conjunction with other treatment options, such as rest and hydration. It is important to follow the recommended dosage guidelines for both medications and to avoid giving a child multiple medications that contain the same active ingredients [3].

In summary, while it may be safe to give a child Advil and cough syrup together, it is important to consult with a pediatrician and follow proper dosage guidelines. Additionally, parents should be aware of the potential risks associated with cough and cold medications and consider alternative treatment options for young children.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/ADVIL
[2] https://www.healthychildren.org/English/tips-tools/ask-the-pediatrician/Pages/Can-I-give-my-5-year-old-cough-medicine.aspx
[3] https://newsnetwork.mayoclinic.org/discussion/cold-medicines-for-kids-whats-the-risk/