Yes it can. Only a vet should do such a procedure, and then only if it is necessary.
The symptoms of ear bleeding would be blood coming from the ear or ears. Is the question more likely, "What are the causes of ear bleeding?"
bleeding ears if you're talking about where the bridle or halter goes, it's called a bridle path
The ears may bleed because of an ear infection. A ruptured or perforated eardrum may also cause bleeding and drainage.
You need to have a talk with your piercer.
Stretching your ear safely shouldn't cause sharp pain or bleeding. These are signs that you're trying to stretch your ears too quickly.
because if we do not care your ears your ears will be dirty
There are multiple reasons why that could happen, an infection, a concussion, or more. If you are bleeding from the ear please visit your local hospital and see a doctor right away.
Internal bleeding.
Clear fluid draining from the ears usually indicates damage to the skull and the dura mater, the sac that fits around the brain. Red fluid draining from the ears is an indication of bleeding.
A fever should not cause anal bleeding. If you are experiencing anal bleeding you should contact your doctor.
Ear's tend to bleed when pierced so wash the blood of a bit the put tree tee oil or salt water on to the bleeding bit or the solution you get when you had your ears pierced