fear - an unpleasant emotion or thought that you have when you are frightened or worried by something dangerous, painful, or bad that is happening or might happen
anxiety - an uncomfortable feeling of nervousness or worry about something that is happening or might happen in the future
disorder - an illness of the mind or body
therapy - a treatment that helps someone feel better, grow stronger, etc., especially after an illness
medication - a medicine, or a set of medicines or drugs, used to improve a particular condition or illness
develop - If you develop an illness or problem, or if it develops, you start to suffer from it
family history - a medical history of the members of one’s family
chest pain - the pain in the upper front part of the body
chill - a feeling of cold
nausea - the feeling that you are going to vomit
Definition of fear from the Cambridge Learner's Dictionary [