If your temperature has been 103 °F (39 °C) for at least 3 days, call your doctor.
Signs[3] X Research source that you may be dehydrated include: Dry mouth Thirst Headache and fatigue Dry skin Constipation Dehydration can be made even worse if it is accompanied by vomiting or diarrhea. [4] X Research source If you’ve experienced any one of these, especially, be sure to drink plenty of fluids to compensate for their loss. If you’re struggling to drink fluids, try eating ice chips.
Hallucination Confusion or irritability Convulsions or seizures
If you have a high fever or if your symptoms impact your ability to function, call a friend or family member and ask them to escort you to the doctor’s office. It’s not worth the risk of trying to get yourself there when you’re in a compromised state.
Aspirin is for adults only. Aspirin given to children has been linked to a dangerous condition called Reye’s Syndrome. [8] X Research source It is therefore advisable only to administer aspirin as an adult. Acetaminophen (Tylenol) or ibuprofen (Advil) are acceptable substitutes for all ages. If your temperature remains high even after the recommended dose, don’t take more; instead, consult a doctor.
Dehydration may exacerbate a fever if left untreated.