Should Fever be Treated?

I’m not already in good health but I feel better today. I’ve got cold symptoms for the last few days and I had fever during the night –it was hard for me to sleep well. At first, I didn’t take any medicine to reduce my fever as I’ve ever read that a fever is a sign that one’s body is fighting infections. So, fever is not a bad thing, essentially. But then I decided to take a drug as I already felt very uncomfortable.

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I’m still wondering, should we care for a fever or let the fever run its way? So, I searched a little and found this guidance from mayoclinic.org.

Age	Temperature	What to do
Infants
0-3 months	100.4 F (38 C) or higher taken rectally	Call the doctor, even if your child doesn't have any other signs or symptoms.
3-6 months	Up to 102 F (38.9 C) taken rectally	Encourage your child to rest and drink plenty of fluids. Medication isn't needed. Call the doctor if your child seems unusually irritable, lethargic or uncomfortable.
6-24 months	Above 102 F (38.9 C) taken rectally	Give your child acetaminophen (Tylenol, others). If your child is age 6 months or older, ibuprofen (Advil, Motrin, others) is OK, too. Read the label carefully for proper dosage. Don't give aspirin to anyone age 18 years or younger. Call the doctor if the fever doesn't respond to the medication or lasts longer than one day.
Children
2-17 years	Up to 102 F (38.9 C) taken rectally for children age 3 and younger, or taken orally for children older than 3	Encourage your child to rest and drink plenty of fluids. Medication isn't needed. Call the doctor if your child seems unusually irritable or lethargic or complains of significant discomfort.
2-17 years	Above 102 F (38.9 C) taken rectally for children age 3 and younger, or taken orally for children older than 3	Give your child acetaminophen (Tylenol, others) or ibuprofen (Advil, Motrin, others). Read the label carefully for proper dosage, and be careful not to give your child more than one medication containing acetaminophen, such as some cough and cold medicines. Don't give aspirin to anyone age 18 years or younger. Call the doctor if the fever doesn't respond to the medication or lasts longer than three days.
Adults
18 and up	Up to 102 F (38.9 C) taken orally	Rest and drink plenty of fluids. Medication isn't needed. Call the doctor if the fever is accompanied by a severe headache, stiff neck, shortness of breath, or other unusual signs or symptoms.
18 and up	Above 102 F (38.9 C) taken orally	If you're uncomfortable, take acetaminophen (Tylenol, others), ibuprofen (Advil, Motrin, others) or aspirin. Read the label carefully for proper dosage, and be careful not to take more than one medication containing acetaminophen, such as some cough and cold medicines. Call the doctor if the fever doesn't respond to the medication, is consistently 103 F (39.4 C) or higher, or lasts longer than three days.