3 yr old has temp 102.9 what should i do?

Fever: Start with tylenol (acetaminophen) and lukewarm bath to cool him off. If not improving in the next few hours seek care care. If worsening symptoms such as lethargy, stiff neck or rash, seek care immediately.

Fever: Are there any other symptoms? Fever is the bodts way of helping fight infection. Keep your child hydrated, and give an antipyretic, either tyelenol or ibuprofen. The dose depends on your child's weight. If there is headache or vomiting or rash see your doctor, or if fever above 104 or lasts longer than 3 days see your doctor.