Does escitalopram affect the human blood pressure in any way?

Yes it can affect blood pressure. As Meso says,you should contact your Dr. right away. Most likely, your Dr would not put you on a med containing escitalopram in the future, based on your bodies reaction.

It may cause hypertension ( high blood pressure).

Cardiovascular
Cardiovascular side effects including palpitation and hypertension have been reported frequently. Bradycardia, tachycardia, ECG abnormalities, flushing, and varicose veins have been reported infrequently. Angioedema, cardiac failure, deep vein thrombosis phlebitis thrombosis, atrial fibrillation, hypotension, myocardial infarction, orthostatic hypotension, QT prolongation, torsades de pointes, and ventricular tachycardia have been reported; however, a causal relationship with escitalopram has not been determined.

Read more at : https://www.drugs.com/sfx/escitalopram-side-effects.html

I suggest you inform your Dr. asap.

Take care,

maso.-