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A 26-year-old female asked:

Doc said stop loratadine b/c thinks is causing fast heart. also on topiramate for migraines. is he right or mixing up with claritin-d's decongestant?

1 doctor answer1 doctor weighed in
Dr. John Michel
Family Medicine 47 years experience
Unclear: Loratadine has been reported to cause arrhythmia s as well as tachycardia. Topiramate has no such side effect I would also stop the claritin (loratadine) d. Do not forget about caffeine which can also do this. Best wishes.
Last updated Nov 29, 2021

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