Suddenly there are two bags on both sides of the buttocks to consider physiological causes, sciatic node bursitis, dermatitis, sebaceous cysts.
1. Physiological reasons: may be the local muscle development, belong to the normal walking muscle, no discomfort.
2. Sciatic Nodal Bursitis: mostly occurs in often sedentary middle-aged and elderly people. Due to prolonged friction, compression, so that the bursa hyperplasia, congestion, edema, aseptic inflammation, secretion of synovial fluid, resulting in the sudden appearance of the local two packets, the packet’s texture is soft, and some of them will have a slight pressure pain. If the cyst is bigger, it will compress the sciatic nerve and cause leg pain and numbness.
3. Dermatitis: localized rash, itching, flaking and other phenomena. There may also be insect bite dermatitis caused by mosquito bites.
4. sebaceous cysts: mostly round, no pain, a certain degree of mobility, if the infection is localized redness, swelling, broken pus, but mostly unilateral.
So when two bags suddenly appeared on both sides of the buttocks, if discharged for physiological reasons, you need to go to the hospital for examination, clear diagnosis and treatment as prescribed by the doctor.