Why does allergy medicine say consult a doctor before use if you have thyroid disease?

I’ve been looking at allergy medications and most of them say consult a doctor before use if you have thyroid disease. I left a message with my doctor, but what would be the side-effects of someone taking allergy medicine if they had thyroid disease?

The otc medications can affect your heart rate, blood pressure, etc things that are already being controlled by another medication. My doctor told me DO NOT take it, but I also had thyroid cancer. They did however prescribe me Singular. If you are having serious issues with your allergies i suggest you also speak to your doctor about an allergy prescription

March 15 2010 04:31 pm | Allergy

2 Responses to “Why does allergy medicine say consult a doctor before use if you have thyroid disease?”

  1. Diana Says:

    Taking an antihistamine if you have a thyroid condition could lead to tachycardia (abnormally high heart rate). Please don’t take them without consulting your doctor.
    References :

  2. Chrissy V Says:

    The otc medications can affect your heart rate, blood pressure, etc things that are already being controlled by another medication. My doctor told me DO NOT take it, but I also had thyroid cancer. They did however prescribe me Singular. If you are having serious issues with your allergies i suggest you also speak to your doctor about an allergy prescription
    References :
    thyroid cancer survivor

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