He suspects that more than 60% of IBS patients with a psychiatric illness have GAD. Another 20% have depression
, and the rest have other disorders.
Anxiety and IBS
Regardless of whether they have IBS, people with anxiety tend to worry greatly about issues such as health, money, or careers, according to the Anxiety Disorders Association of America. Other symptoms include stomach upset, trembling, muscle aches, insomnia, dizziness, and irritability.