Fort Worth, TX

A 34-year-old female asked:

Does claritan d-12 cause heart palpitations?

1 doctor answer • 3 doctors weighed in

Dr. Donald Ninoanswered

Family Medicine 40 years experience

Palpitations: The decongestant in Claritin (loratadine) d is pseudephedrine. It is known to act like a stimulant in some people that may cause rapid heart rate and palpitations. May cause insomnia as well. Not everyone gets these side effects.

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Last updated Sep 24, 2016

Found in:

Palpitation›Heart palpitations›Claritin

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