I have something simular. I thought mine were bites. I had two on the back of my leg and one on my ankle. I piped one and saw the clear fluid like water come out. This made the itching stop so I did it to the others. Then I noticed the next day like three more around the one on my thigh and one nexto to the one on my ankle. I popped them too cause thy itched like crazy! The next few days the one on my thigh became like ten others so instopped popping them worried I was causing them to spread. They're are so many the cluster now looks like one big bump with a few scattered around it. I tried ointments
and stuff the past like 4 days but no improvement. It's not spreading at as fast of a pace as when It did when I popped them but I think they are still spreading. I am putting steroid
cream on it starting tonight. I'll update if it helps. Please let me know what your doc says.