lyme disease flare

MCAS (Mast Cell Activation Syndrome) has become a common topic in the Lyme disease community, but what is it really? Learn how mast cells work, why MCAS may overlap with Lyme disease, common symptoms, potential triggers, how it's diagnosed, and what current research says about the connection.

Wondering why just a few minutes in the sun can leave you exhausted, dizzy, or overwhelmed by brain fog? Learn the most common reasons people with Lyme disease may become sensitive to heat and sunlight, including dysautonomia, medication photosensitivity, mast cell activation, and nervous system dysfunction. Plus, discover practical tips to help reduce symptom flares while safely spending more time outdoors.

Does exercise leave you feeling worse the next day? If you have Lyme disease, you're not alone. Learn why so many people get stuck in the boom-and-bust cycle, why traditional fitness advice often doesn't work during Lyme recovery, and how to rebuild strength with a safer, more sustainable approach to movement.

When Lyme symptoms return, it’s hard to know whether you’re facing a relapse or a brand-new infection. This guide breaks down the six signs that help you tell the difference so you can make informed decisions about your health.

Many people with Lyme disease feel better during treatment—then symptoms return once they pause herbs or antibiotics. This isn’t failure. It’s a normal part of how chronic infections behave. Learn why recurrence happens, what it reveals about your healing, and how to interpret your symptoms with clarity and confidence.