Can Zyrtec cause your blood pressure to go up?

Sudafed (pseudoephedrine) can cause difficulty sleeping, nausea, and loss of appetite. Individuals with high blood pressure or heart disease should not take anything with decongestants because it can raise blood pressure and heart rate. Zyrtec-D should be taken with a full glass of water either with or without food.Oct 28, 2014 read more

Probably not. It's just an anti-histamine and if the allergies feel better, your blood pressure might come down little. read more

For instance, if a brand name has a -D on the end (Claritin-D, Zyrtec-D), it contains pseudoephedrine (Sudafed), which is not recommended to patients with high blood pressure because a common side effect of raising blood pressure. read more

Certain health conditions can interact with Zyrtec such as narrow-angle glaucoma, high blood pressure, severe coronary artery disease, troubles urinating or allergy to hydralazine. Certain health conditions can interact with Allegra, such as kidney disease, glaucoma, diabetes, high blood pressure, enlarged prostate, bladder problems and thyroid disorders. read more