keyword

what causes sudden personality changes

Monthly search volume and cost-per-click data for "what causes sudden personality changes" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=what+causes+sudden+personality+changes&country=us" +--------------+------------------+ | volume | 30 | | cpc | $0 | | competition | 0.02 | | country | US | | updated | 2026-06-12 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
mood swing	22,200	$4.36	10/20
mood swings	22,200	$4.36	10/20
mood swings meaning	2,900	$0	9/20
what are mood swings	2,400	$1.04	10/20
mood swings disorder	1,300	$2.99	10/20
personality changes	1,300	$6.29	10/20
mood shifts	170	$0	10/20
mood and personality changes	30	$0	11/20
personality change symptoms	30	$0	10/20
personality changes symptoms	30	$0	10/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=what+causes+sudden+personality+changes&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt