Can having a tooth infection lead to bronchitis or trouble breathing?

Teeth: There are ways that an oral infection could cause heart or lung problems.

Breathing problem: Sometimes a dental abscess can interfere with breathing if it is a lower molar. It is very rare, but if it happens you should not wait to seek care. The infection spreads into the floor of the mouth and neck and can begin to close the airway. On a positive note i can repeat that this is very uncommon.

Yes: Yes it is possible. If anyone is experiencing problem with their breathing they need to seek medical care assp. See a dentist, md or go to the emergency room.

Emergency: Anyone who has trouble breathing should seek immediate medical care regardless of the cause. This situation can become life threatening very quickly. If necessary call 911 or have someone drive you to the er of a hospital or a 24\7 medical facility. To answer your question, an infection in the mouth can cause swelling resulting in trouble breathing. People have died from these types of situations.