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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Is It Advisable To Switch From Atenolol To Propranolol?

My husband was recently diagnosed with hyperthyroidism and was prescribed 25 mg atenolol,10 mg methimazole, and VitD. He began to experience very itchy skin (with no rash or redness) and the doctor switched the atenolol to propranolol (60mg). He has been on this new medication for 3 days now and has just developed large, itchy welts on his forearms, the backs of his thighs, and now his lower stomach. We are fairly certain that the reaction has not been caused by laundry detergent, insects, or another allergen (poison ivy/amoxicillan) . His prescribing doctor will not be in until monday...should he stop his medications until then? Is it safe to stop and then restart again? Or should we go to a urgent care/open on weekends type office even though the doctor he sees will not be familiar with his history?
posted on Tue, 13 Oct 2015
Twitter Sat, 5 Dec 2015 Answered on
Twitter Mon, 7 Dec 2015 Last reviewed on
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General & Family Physician,  's  Response
HI, thanks for using healthcare magic

He can go to urgent care, take his medications and give a full history to the doctor that is going to assess him.

It is possible that it is not the propanolol that is causing the reaction, but another one of the medications that he is taking.
Any traditional or herbal medication can cause an allergic reaction.

The use of an oral antihistamine would help to reduce the response.


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Is It Advisable To Switch From Atenolol To Propranolol?

HI, thanks for using healthcare magic He can go to urgent care, take his medications and give a full history to the doctor that is going to assess him. It is possible that it is not the propanolol that is causing the reaction, but another one of the medications that he is taking. Any traditional or herbal medication can cause an allergic reaction. The use of an oral antihistamine would help to reduce the response. I hope this helps