Cold sweat, panting, pulse sensation

Week 15+5 now. Nausea came back again this week after taking a break for 1 week, super horrible. Recently having cold sweats easily especially when I’m standing (q-Ing for food / waiting for bus) sometimes seeing stars, and almost blackout a few times. Recently also easily panting after walking short distance and feeling the pulsing sensation on the back of left head while sleeping. #advicepls #worried