Fever: Symptoms, Causes and Treatment

Reviewed by Dr. Hasan Feroz, M.D.


A fever is an increase in your body temperature. Generally, when you measure your temperature on a thermometer it ranges from 97.F to 98.6 F which is normal. Some people may have 1-2 degree plus- minus temperature. when temperature increases from 98.6 F it is considered as fever. 99.5 F is considered as fever in adults while in children it is 100. F.

In medical terminology fever is known as pyrexia, hyperthermia or elevated temperature. Fever is a condition where your body temperature is higher than normal condition. It is said that during fever your body is fighting off with illness but high fever is a serious condition and should seek medical help.

Symptoms of Fever

The symptoms of fever depend on the causes of infection. These symptoms are as follows:




Joint and Muscle pain

Back pain



The best way to check the temperature is through a thermometer. There are various locations where the temperature is generally checked in the body. These locations are oral, anus, armpit, forehead and ear. In children doctor prefer to use anus to check the temperature while in adult, oral thermometer is best.

Causes of Fever

Fever occurs when the hypothalamus in our brain increases the set temperature upward. Hypothalamus works in our brain as a thermostat. When this happens you start shivering and getting chills. To reduce the temperature you added more shawls to reduce the temperature.

For a normal person, their body temperature fluctuates throughout the day- it is lower in the morning when we wake up and it is higher in the late afternoon or evening. It may range from 97.F to 99.F throughout the day.

There are numerous conditions that increases the body temperature. These are as follows:

Infection in the body

Virus attack

Inflammation of joints like rheumatoid arthritis

Sun burn


Heat stroke



Treatment of Fever

Generally, there is no cure of low-grade fever as it resolves after some times but if the fever is high i.e. above 100.1.F you may need to treat it with the following medicines:



Drinking plenty of water

Remember that if you have only fever and no other symptoms or associated disease then your fever will be cured by the above said medications otherwise you need proper consultation with your doctor. For example, if you have typhoid fever then you will have to take antibiotics for the said disease and without antibiotics, your fever will reduce only for the short period time and it will relapse after sometimes.

In all the disease you will get the fever if it is an infectious disease or it is a kind of cancers or any autoimmune disease.

Prevention from Fever

To keep your hygiene at the top level is the best prevention of fever and other diseases. To attain the hygiene level you must have to adopt these things in your daily life:

Keep your hands clean all the time. avoid touching here and there and other surfaces which are not clean. Make the habit of washing hands regularly and ensure hand wash with soap before and after every meal.

Try to keep hand sanitisers while travelling and wash your hand regularly.

How to wash hands properly give lessons to the children so that they can learn.

Avoid touching your nose,eyes and mouth time to time as it is very easier for bacteria and viruses to enter from these routes.

Avoid sharing foods with strange peoples as they may be infected.

Cover your mouth and nose while coughing and sneezing and make your distance from these types of people who are already infected.

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