Sick building syndrome is the name for symptoms you get while you're in a particular building. It usually happens in an office, but you can get it in any building.

Symptoms of sick building syndrome get worse the longer you're in a particular building and get better after you leave.

Other people in the building may also have symptoms.

Possible symptoms include:

• headaches
• blocked or runny nose
• dry, itchy skin
• dry, sore eyes or throat
• cough or wheezing
• rashes
• tiredness and difficulty concentrating

These symptoms are common and can be caused by lots of things. They're unlikely to be a sign of sick building syndrome if you have them all the time, or when you're in lots of different places.

It might help to:

• open windows to improve ventilation, if you can
• set the temperature at about 18C and do not change it lots of times during the day
• try to reduce stress
• take regular screen breaks if you use a computer
• go outside for some fresh air during lunchtime and other breaks

If you think you have sick building syndrome, speak to:

• the environmental health service at your local authority
• your nearest Health and Safety Executive (HSE) office

The HSE has advice for employers and building managers on how to deal with sick building syndrome.

It's not clear exactly what causes sick building syndrome.

It's probably due to a combination of things, such as:

• poor ventilation or poorly maintained air conditioning systems
• dust, smoke, fumes or fabric fibres in the air
• bright or flickering lights
• problems with cleaning and layout, such as crowded desks

Sick building syndrome mostly happens in open-plan offices.