Illness anxiety, also known as hypochondria or health anxiety, is a common phenomenon that can affect anyone when faced with health-related uncertainty. Fear of contracting a serious illness, interpreting ordinary symptoms as threatening or constantly thinking about potential dangers can significantly reduce quality of life. In times of easy access to medical information on the internet, fear of illness is often exacerbated. Fortunately, there are healthy methods to help tame this anxiety and regain peace of mind. In this article, we will discuss the causes, effects and effective strategies for dealing with this anxiety.