Difficulty Regulating Body Temperature Causes and Relief

Many people quietly struggle with temperature changes that seem to happen without warning. One moment you feel too warm, and the next you are reaching for a sweater. Others experience persistent chills, overheating, or unpredictable shifts that leave them feeling uncomfortable and exhausted.

Thermoregulation is the body's ability to maintain a core temperature of approximately 98.6°F (37°C). When this system breaks down, it can cause problems with body temperature control. It may lead to ongoing chills, overheating, or sudden heat surges.

If you struggle to control your body temperature, learn the causes of heat-related illness first. This is the first step to getting help.

In this article, I explain common causes and symptoms. I also cover related medical conditions, lifestyle tips, and when to seek care.