FCAS stands for Familial Cold Autoinflammatory Syndrome. It can also be called FCAIS or FCU, which stands for Familial Cold Urticaria.
Symptoms of FCAS are less severe than the other 2 types of CAPS,4 but they can still seriously limit the decisions you make in your day-to-day life about what you can or cannot do.5
In most cases, people that have FCAS (Familial Cold Autoinflammatory Syndrome) know that something is wrong. It is clear to them from their symptoms that they need to see a doctor and find out what is going on with their health.
The symptoms of FCAS can seriously impact your day-to-day activities. Thirty people with FCAS (Familial Cold Autoinflammatory Syndrome) were surveyed to see how FCAS (Familial Cold Autoinflammatory Syndrome) has disrupted their everyday lives before they were treated.5
| Almost all people with FCAS have had to give up most of their time spent outside | ![]() |
| Many people with FCAS said they have had to cancel plans with friends and family | ![]() |
| Many people with FCAS said that, even if they could work, it was still hard | ![]() |
| More than one third of the people with FCAS have had to leave their jobs | ![]() |
The symptoms of FCAS (Familial Cold Autoinflammatory Syndrome) can strongly affect daily life. There are a number of treatments, however, that can help relieve symptoms and, in some cases, may eliminate them.