Ripped From The Pages Of The DSM

Sonam Sheth / Insider:

Paul Ryan spoke to a doctor and extensively researched how to deal with someone with narcissistic personality disorder after Trump won: book

Brad Reed / Raw Story:   Trump exploded in rage at Paul Ryan after he denounced Charlottesville white supremacists: Bob Woodward

Also known as megalomania.

Rare

Fewer than 200,000 US cases per year

Treatment can help, but this condition can't be cured

Requires a medical diagnosis

Lab tests or imaging not required

Chronic: can last for years or be lifelong

For informational purposes only. Consult your local medical authority for advice.

Sources: Mayo Clinic and others. Learn more