Cover - shares	3 Months Ended
	Sep. 30, 2024	Nov. 12, 2024
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes
Amendment Flag	false
Document Period End Date	Sep. 30, 2024
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q1
Entity Information [Line Items]
Entity Registrant Name	Incannex Healthcare Inc.
Entity Central Index Key	0001873875
Entity File Number	001-41106
Entity Tax Identification Number	93-2403210
Entity Incorporation, State or Country Code	DE
Current Fiscal Year End Date	--06-30
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Contact Personnel [Line Items]
Entity Address, Address Line One	Suite 105
Entity Address, Address Line Two	8 Century Circuit Norwest
Entity Address, City or Town	NSW
Entity Address, Country	AU
Entity Address, Postal Zip Code	2153
Entity Phone Fax Numbers [Line Items]
City Area Code	+61
Local Phone Number	409 840 786
Entity Listings [Line Items]
Title of 12(b) Security	Common Stock, $0.0001 par value per share
Trading Symbol	IXHL
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		17,642,832