Urticaria
"Hives is directly linked to autoimmune disorders such as Hashimoto&#039;s-  a thyroid disease. Chronic hives can&#039;t be treated with Zyrtec if this is the case. I give Zyrtec 8 stars BC it is a great otc fix for allergies. However if you are suffering from chronic hives and find nothing helping, perhaps you need to research ... I am experiencing this first hand. I have found oatmeal baths and coconut oil with essential oils to sooth my chronic hives- specifically lavender, lemon, Meleluca,  and peppermint. My next step is getting a full blood panel done to confirm Hashimoto&#039;s. ...Zyrtec can&#039;t fix that but is good for common allergies."