What if your POTS symptoms aren’t just from POTS? Not everyone with POTS has Mast Cell Activation Syndrome (MCAS)—but many do. And when we start treating that hidden driver, big changes can happen. MCAS is like having your body’s internal fire alarm constantly going off—causing inflammation, brain fog, flushing, dizziness, racing heart, nausea, and more. These reactions can look like classic POTS symptoms, but they’re fueled by unstable mast cells, not just poor blood flow or nervous system imba