Epistaxis is a nosebleed, small effusion that slides through the nostrils and can be caused by multiple agents.
An otorhinolaryngologist is a doctor who specializes in the management and treatment of diseases of the ear, nose, throat and related structures of the head and neck.
The internist is the specialist in comprehensive care focused on diseases that affect internal organs and systems.
A doctor or family doctor is responsible for diagnosing and prescribing medical treatments to patients. The family doctor refers to patients where a specialist when a specific treatment is required.
Remember that for the proper selection of health professional that treats epistaxis you must consider the nature, severity and symptoms you are presenting.