Lexapro contains escitalopram, an anti-depressant drug. Symptoms like nausea, palpitations, etc need not be worried much, but since you had panic attacks twice, you are advised to visit your physician at the earliest, as you might require either discontinuation of the drug or addition of another drug.
These Q&A’s are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.