sick leave
medical leave
paid sick days
sick pay

I went to my office the next day, after three days on sick leave, as if nothing had happened.

He was to get a full year's pay for this sick leave.

Sick leave costs the economy £100bn a year, including the loss of about 172 million working days.

He has been on extended sick leave for the last year.

He then removed me from my job after 3 weeks sick leave.

Management also wants to end the practice of paying workers for sick leave not taken.

As of late 2011 he is on extended sick leave.

The only person who can possibly know what you're talking about is taking sick leave.

Her father missed two months work; his company does not pay sick leave.

I've got a lot of vacation time and sick leave built up.