heart disease, high blood pressure;; a seizure;; a weak immune system;; liver ... However, having untreated or uncontrolled asthma during pregnancy may cause ... may include chest pain, fast heart rate, and feeling shaky or short of breath.. heart disease, high blood pressure;; a seizure;; a weak immune system;; liver or kidney ... Tell your doctor if you are pregnant or breastfeeding. ... Overdose symptoms may include chest pain, fast heartbeats, and feeling shaky or short of breath.. heart d