Dr. Arslan is a psychopharmacologist (a psychiatrist who specializes in medication management) who joins Susannah's team of doctors at NYU. Susannah describes him as looking more like an old hippie than a doctor, and he loves beat generation writers. He suggests that Susannah might have schizoaffective disorder, or mood symptoms that overlap with psychosis. He doesn't share this possible diagnosis with Susannah's parents.
Dr. Ian Arslan Character Timeline in Brain on Fire: My Month of Madness
The timeline below shows where the character Dr. Ian Arslan appears in Brain on Fire: My Month of Madness. The colored dots and icons indicate which themes are associated with that appearance.
...Susannah cannot repeat "ca, ca, ca," or puff out her cheeks. Later in the day, Dr. Arslan observes that Susannah is making chewing motions, grimacing, and holding her arms out stiffly. The... (full context)
When Mom gets the voicemail she's worried that Susannah is regressing. She calls Dr. Arslan , who instructs Mom to give Susannah an extra dose of her anti-psychotic medication. Susannah... (full context)
Every two weeks, Mom, Dad, and Susannah have an appointment with Dr. Najjar. He and Dr. Arslan slowly reduce Susannah's doses of medication and ask Susannah how much she feels like herself.... (full context)