Doctor insights on:
Do Antihistamines Mess With You Thyroid
I'm due to have a thyroid scan in 3 days. Yesterday, I took two 25 mg antihistamine pills. Will this affect the results?
Why can not use antihistamines and decongestants in patient with thyroid disease ? What is the machanism of action? What medicine can use to relief ?
Decongestants may: Decongestants may complicate and exacerbate hyperthyroid states. In general I do not recommend oral decongestants to any age group as there is a higher risk of cardiovascular disease with decongestant use. Antihistamines alone may be used in thyroid disease in general. ...Read more
On antihistamine and sinus medications it says to consult your doctor if you have thyroid disease. Why?
Avoid stimulants: Many otc cold medicines have pseudophed or similar stimulant medications. If you are hyperthyroid, this would be an added stimulant. If your heart rate is already 95 from your thyroid, the added stimulant could be bad for your heart. However, if your thyroid is being treated, and your blood ft4 is normal, you are probably ok. ...Read more
Don't understand how antihistamines work for chronic hives that is due to thyroid issues and not allergies?
Chronic Urticaria CU: CU can be associated with various autoimmune disorders. Even in the absence of hypo- or hyperthyroidism, patients with thyroid autoantibodies are often poorly responsive to standard therapies and have more persistent disease. Studies have examined the use of thyroid supplementation in the treatment of CU, with mixed results. Best treatment for this condition is daily antihistamines. See Allergist. ...Read moreSee 1 more doctor answer
I see a lot of antihistamine and sinus medications that says to consult your doctor if you have thyroid disease. What is the reason for this?
Can chronic autoimmune urticaria go into remission? Will taking levothyroxine for thyroid help stop the hives without taking antihistamines?
Yes: The average duration of chronic hives lasts for 5-6 years and thus remission is indeed possible. As for thyroid, I have only had one patient with thyroid antibodies benefited from thyroid replacement out of the many hundreds I have seen over the years. Usually antihistamine would be needed. Studies so far with thyroid replacement have mostly been negative. ...Read more
Itch all over no rash. Antihistamines and creams no effect. Bloods clear for kid, lib, thyroid. Soap free shower. Scratching. Gbs '09 i had this too ?
Many possibilities: To help you some additional questions to answer: 1) any travel to outside of us or snorkeling/scuba activity? Some parasites, infections can manifest this way. 2) understand no soap being used - but chemicals are everywhere. Anything new that you are being exposed to? 3) sexually active? Pregnancy, std can cause these symptoms as well 4) psychological factors? Anxiety, depression, ocd, etc. ...Read more
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