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A member asked:

Taking 150mg effexor (venlafaxine) for a year. for 2 week my heart races when exercise. walk upstairs heart races, feel sick, lightheaded? can this be effexor (venlafaxine)?

A doctor has provided 1 answer

Yes: effexor (venlafaxine) is known to increase heart rate. Talk to the prescriber about it

Answered 1/1/2015

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Is it normal to feel like nothing around me is real during an anxiety attack? My heart goes so fast and body burns up. Am on effexor (venlafaxine). What to do?

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Yest. I took an extra Effexor (venlafaxine) 150mg pill by accident on top of usual dose. Heart rt seemed elevated but back to normal now. Chance of long term harm?

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Began Effexor (venlafaxine) 37.5 bid 6 days ago for gad last night 2 hrs pounding heart skipped beats sweats chills. Scary. Not anxiety attack. Normal side effect?

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Can serotonin syndrome cause brain damage/dementia/heart damage? Took high dose ADHD meds and effexor (venlafaxine).

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