Cover - shares	9 Months Ended
	Jun. 30, 2024	Aug. 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	Jun. 30, 2024
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q3
Entity Information [Line Items]
Entity Registrant Name	Citius Pharmaceuticals, Inc.
Entity Central Index Key	0001506251
Entity File Number	001-38174
Entity Tax Identification Number	27-3425913
Entity Incorporation, State or Country Code	NV
Current Fiscal Year End Date	--09-30
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Contact Personnel [Line Items]
Entity Address, Address Line One	11 Commerce Drive
Entity Address, Address Line Two	First Floor
Entity Address, City or Town	Cranford
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	07016
Entity Phone Fax Numbers [Line Items]
City Area Code	(908)
Local Phone Number	967-6677
Entity Listings [Line Items]
Title of 12(b) Security	Common stock, $0.001 par value
Trading Symbol	CTXR
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		180,725,407