Some studies have shown that the "normal" body temperature can have a wide range, from 97°F (36.1°C) to 99°F (37.2°C). Copyright 1997-2020, A.D.A.M., Inc. Editorial team. Any medical information published on this website is not intended as a substitute for informed medical advice and you should not take any action before consulting with a healthcare professional. The normal human body temperature is about 98.6°F, but it fluctuates throughout the day. A healthy body maintains its tempera- ture within a narrow range using homeo- static thermoregulation mechanisms (Pocock and Richards, 2009). The average normal body temperature is generally accepted as 98.6°F (37°C). Normal body temperature varies by person, age, activity, and time of day. ; Your sample's temperature range should be tested within four minutes of submission. A fever is when the temperature rises above a normal range. The results may help them decide which other tests, if any, they need to order.If the doctor suspects that the person has a UTI, they may ask them for a sample of their urine to test.Treatment for a persistent low grade fever will depend on the cause. A temperature over 100.4°F (38°C) most often means you have a fever caused by an infection or illness. A fever is when the temperature rises above a normal range.A fever is commonly a result of the body trying to fight off an infection or another illness. Regulation of body temperature. Not only that, but normal body temperature may be falling over time, according to data samples reaching back almost 160 years. Some studies have shown that the "normal" body temperature can have a wide range, from 97°F (36.1°C) to 99°F (37.2°C). Temperature regulation and the pathogenesis of fever. For the best experience on Cigna.com, Javascript must be enabled.You can take a temperature using the mouth (oral), anus (rectal), armpit (axillary), or ear (tympanic). Some studies have shown that the "normal" body temperature can have a wide range, from 97°F (36.1°C) to 99°F (37.2°C).A temperature over 100.4°F (38°C) most often means you have a fever caused by an infection or illness.Body temperature normally changes throughout the day.Blum FC, Biros MH. The average temperature of human urine should be at around 37 degrees Celsius or 98.6 Fahrenheit; otherwise, a urinalysis will be unsuccessful. However, some cases are more difficult to diagnose and treat.Continue reading to learn more about the symptoms, causes, and treatment of a persistent low grade fever.Some people may hardly notice that they have a low grade fever. Unlike people, who have a normal temperature range of 97.6–99.6F degrees, your dog’s normal temperature is higher: the range is between 99.5 and 102.5F degrees. Where did 98.6 degrees come from? Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.Individual and family medical and dental insurance plans are insured by Cigna Health and Life Insurance Company (CHLIC), Cigna HealthCare of Arizona, Inc., Cigna HealthCare of Illinois, Inc., and Cigna HealthCare of North Carolina, Inc. Group health insurance and health benefit plans are insured or administered by CHLIC, Connecticut General Life Insurance Company (CGLIC), or their affiliates (see Cigna.com no longer supports the browser you are using.For the best experience on Cigna.com, cookies should be enabled.William H. Blahd Jr. MD, FACEP - Emergency MedicineWilliam H. Blahd Jr. MD, FACEP - Emergency Medicine Generally, the correlation of temperature results are as follows:When you talk with your doctor about your temperature, be sure to say what method was used to take the temperature.The temperature comparison table below will give you the range of temperature correlation with the different methods used to take a temperature. A low grade fever occurs when the body temperature becomes very slightly elevated, usually between about 100.5°F and 102.2°F . Duplication for commercial use must be authorized in writing by ADAM Health Solutions. For instance, minor infections may not need treatment at all, whereas issues such as cancer require extensive treatment.To alleviate the symptoms of a low grade fever at home, a person can try over-the-counter (OTC) drugs, such as ibuprofen (Advil) or acetaminophen (Tylenol).A fever can cause dehydration, so it is vital to drink plenty of water.It is important to treat a low grade fever in children, who may be more sensitive to temperature changes.