Erythema of the nasal mucosa is a diagnostic hallmark of cocaine use. In severe cases, there may also be perforation of the nasal septum.
Cocaine abuse should be suspected in individuals with weight loss, behavioral changes, and erythema of the nasal mucosa. There are often mood changes such as euphoria and irritability.
Patients have increased energy, decreased appetite, and reduced need for sleep due to cocaine's stimulant properties.
Other psychiatric symptoms include: psychosis, grandiosity, anxiety, and panic attacks.