[header] How to pop a blood blister [title] Pop larger blood blisters. [step] You should try to refrain from popping blood blisters if possible. However, if it gets too painful, you can pop larger blood blisters. 
If your blood blister is larger than a pea, or it is causing significant discomfort, pain, or interfering with walking or working, you can carefully pop the blood blister. [substeps] You should know that this can significantly increase the risk of infection, so be very careful and follow the instructions as closely as possible.