Hesperian Health Guides

Medicines to lower fever

In this chapter:

High fevers (temperatures over 38°C/100.4°F) can cause seizures in infants and toddlers. A fever seizure might stop quickly, but it might happen again if the fever continues or the child gets another fever. Finding and treating the infection causing a fever is important, but treating the fever seizure may also be necessary. Fever seizures usually stop by themselves and antiseizure medicines are rarely needed.

an image of a thermometer showing normal, mild fever, and high fever numbers
These temperatures are for temperatures taken by mouth

If a fever seizure lasts longer than 5 minutes, it is an emergency. Give the child a rescue medicine like diazepam, lorazepam, midazolam, phenobarbital, or phenytoin. See "Rescue medicines for status epilepticus".

If a child has fever seizures more than 3 times in 6 months, their parents or caregivers can keep rescue medicine on-hand and learn how to give it.

Use a thermometer after the fever seizure has passed to measure how much fever remains. If you don’t have a thermometer, get a general sense of how hot the child is by touching their forehead or belly. Notice if the child is more drowsy or fussy than usual as these are common signs of high fevers.

How to lower a fever and help a child feel better

  • Remove the child’s clothes or wrappings.
  • Give plenty of fluids to keep the child hydrated.
  • Give a medicine to lower fever.


Do not wrap a child in wet cloths or give a cool bath as these may cause discomfort and are not effective for lowering fever in most cases.

Most importantly, try to find and treat the cause of the fever. Could it be from an infection caused by a mosquito bite? Or from a virus like measles or HIV? Meningitis, a dangerous inflammation in the brain and spinal cord, can cause fever. Ask a health worker for help in discovering the cause and curing the fever.

Vaccinations, fever, and fever seizures. Sometimes a child may have a reaction to a vaccination that causes fever and, occasionally, a fever seizure. To lower the risk of fever, give ibuprofen or paracetamol, 1 hour before and 2 hours after the vaccination. See further dosing information.

Ibuprofen (Advil, Alivium, Brufen, Buprovil, Combiflam, Dolgit, Faspic, Fenbid, Gelofen, IBU, Paraped Plus) EASB Ch4 Page 97-1-a.png
Ibuprofen is used to relieve pain and fever Ibuprofen is not safe for very young babies Use paracetamol instead.
In what forms does this medicine come?
EASB Ch4 med pill.png Tablet (200 mg, 400 mg)

EASB Ch4 med liquid.png Oral liquid (100 mg in 5 ml, 200 mg in 5 ml)

Important

To avoid stomach pain or indigestion, give ibuprofen with food or a large glass of water or milk.

Side effects

Stomach pain, indigestion.

How to use

For children, give by mouth 3 times a day and dose by age:

3 to 11 months 50 mg
1 to 3 years 100 mg
4 to 6 years 150 mg
7 to 9 years 200 mg
10 to 11 years 300 mg
12 years and older 300 to 400 mg


For children under 12 years, do not give more than 30 mg per kg of body weight in 1 day For children 12 years and older, do not give more than 1200 mg total in 1 day

EASB Ch4 med warning.png
WARNING Do not give to babies younger than 3 months old, and do not give to pregnant women in the last 3 months of pregnancy Do not give for more than 10 days in a row.


Paracetamol, acetaminophen (Tylenol, Calpol, Cetamol, Dexamol, Dolo, Dolex, Dolyc, Panadol)
Paracetamol is an effective, affordable medicine for fever and mild pain.
In what forms does this medicine come?
EASB Ch4 med pill.png Tablet (100, 500 mg)

EASB Ch4 med liquid.png Oral liquid (120 mg in 5 ml or 125 mg in 5  ml, 250 mg in 5 ml)

Important

Cold medicines often contain paracetamol, so do not give them along with a separate dose of paracetamol or you may give too much and poison the liver.

Side effects

Stomach pain, indigestion.

How to use

For children,give by mouth every 4 to 6 hours and dose by age:

under 1 year 62 mg (half of ¼ of 500 mg tablet)
1 to 2 years 125 mg (¼ of 500 mg tablet)
3 to 7 years 250 mg (½ of 500 mg tablet)
8 to 12 years 375 mg (¾ of 500 mg tablet)
over 12 years 500 to 1000 mg

Do not give more than 4000 mg a day

EASB Ch4 med warning.png
WARNING Do not give for more than 10 days in a row.
This page was updated:19 May 2026