Anxiety disorders are the most common psychiatric problem, affecting over 20 million U.S. adults and children every year, according to the Cleveland Clinic<\/a>. <\/p>\n There are several different types that can cause excessive worry, panic attacks, and intense fear when there\u2019s no actual danger.<\/p>\n But other medical conditions affecting millions of Americans share symptoms with anxiety disorders, potentially leading to confusion. <\/p>\n Here are some conditions both men and women need to be aware of.<\/p>\n open image in gallery<\/p>\n Anxiety disorders are the most common psychiatric problem, affecting over 20 million U.S. adults and children every year (Getty Images\/iStock)<\/p>\n Inflammatory bowel disease<\/p>\n Inflammatory bowel disease is an umbrella term for a group of conditions that cause swelling and inflammation of the tissues in the digestive tract, according to the Mayo Clinic. <\/p>\n The most common types include ulcerative colitis and Crohn\u2019s disease. Inflammatory bowel disease impacts 3.3 million Americans, according to NYU Langone<\/a>.<\/p>\n The conditions can cause abdominal pain and cramping that can lead to anxiety — but abdominal pain can also be a symptom of anxiety<\/a>.<\/p>\n POTS<\/p>\n POTS, or postural orthostatic tachycardia syndrome, is a condition that causes the heart to beat faster than normal when a person transitions from sitting or lying down to standing up.<\/p>\n It affects one to three million Americans, according to Johns Hopkins Medicine<\/a>.<\/p>\n POTS symptoms<\/a> can mimic anxiety, including heart palpitations, dizziness, and fatigue that can be mistaken for panic attacks, according to the Mayo Clinic<\/a>.<\/p>\n Endometriosis<\/p>\n Endometriosis is a condition that causes tissue similar to the lining of the uterus to grow in places where it doesn\u2019t belong, according to Cleveland Clinic<\/a>. <\/p>\n It can cause pelvic pain and heavy menstrual periods, as well as fertility issues. Symptoms include chronic pain and fatigue that can lead to stress and anxiety.<\/p>\n Researchers believe that more than six million American women<\/a> have endometriosis.<\/p>\n Polycystic ovary syndrome<\/p>\n Polycystic ovary syndrome, or PCOS, is a set of symptoms caused by a problem with a woman\u2019s hormones. <\/p>\n It can cause irregular periods, excess hair growth, acne and infertility, according to the Cleveland Clinic<\/a>. <\/p>\n The hormone imbalances associated with PCOS can lead to common anxiety disorder symptoms, such as fatigue and mood swings.<\/p>\n An estimated five to six million women have PCOS in the U.S., according to the Endocrine Society<\/a>.<\/p>\n Hyperthyroidism<\/p>\n open image in gallery<\/p>\n Hyperthyroidism affects just 1.3 percent of people in the U.S. The condition can lead to rapid heart rate and weight loss (Getty Images\/iStock)<\/p>\n Hyperthyroidism is relatively rare, affecting approximately 1.3 percent of people in the U.S., according to the Cleveland Clinic<\/a>.<\/p>\n Also called overactive thyroid, the condition occurs when your thyroid gland makes and releases high levels of thyroid hormone, speeding up bodily functions and causing symptoms like rapid heart rate, weight loss, and increased appetite.<\/p>\n Other symptoms, such as sweating and nervousness, may be mistaken for anxiety.<\/p>\n Lyme disease<\/p>\n This common tickborne illness is on the rise. Federal health officials record some 36,000 cases each year, according to Johns Hopkins University<\/a>.<\/p>\n![\"Anxiety](\"https:\/\/www.newsbeep.com\/ca\/wp-content\/uploads\/2025\/09\/iStock-1181530960.jpeg\")
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