A member asked:

I have watery eyes, excessive saliva and rapid heart rate what could it be?

A doctor has provided 1 answer

Sudden onset?: If it just started, it's likely an allergic rxn - the symptoms suggest a cholinergic or histamine release type reaction. Since anti-cholinergic effects cause rapid heart rate, the underlying mechanism is not the cause of your rapid hr - instead, it's likely that your heart is responding to your current state of stress.

Answered 11/9/2013

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Thank

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A member asked:

Does low heart rate cause dark under eyes?

A doctor has provided 1 answer