This thread has all the answers Energetic Overload - Understanding, Symptoms and Preventing
My symptoms are very different. Cold hands, lower temperature, runny noise, headaches, sometimes fever, sometimes being sleepy. You need to observe your body. Not everything is overloading. We also have 12 Essential Tips to Gracefully Move Through Your Healing Crisis
You need to follow your intuition. When is overloading, then you reduce fields, when is healing crisis then you keep going but also rest, more water and good food.