Jul 27, 2017 · Related Articles. A fever is a sign that your body is trying to overcome an illness or underlying infection. Viruses and bacterial infections are notorious for causing fevers, but there are other medical problems such as autoimmune disorders and severe dehydration that can trigger a fever. In a healthy adult, a normal. Oct 07, 2016 · When to Seek Help: How to Know When a Fever Is Dangerous. Adults with a fever higher than 105 degrees F or a fever over 103 degrees F that rises or lasts longer than 48 hours In addition, you should seek medical care if you have a fever accompanied by rash and bruising, difficulty breathing, and/or pain while urinating.
Oct 07, 2018 · Although it may not be comfortable, a temperature of up to 102°F is generally good for you. Most healthy adults can tolerate a fever as high as 103°F to 104°F for short periods of time without having problems. Body temperatures usually return to normal with the illness goes away. Here are some fever symptoms in adults. Dec 22, 2012 · I remember reading years ago, an adult at 103 with nausea, headache or pain should go to the ER. Also if they are at 102 and not holding down liquids they should go to the ER because they are probably dehydrated. At 104 - get to the ER fast no matter how you are feeling - as an adult that's a dangerous fever.