Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Sep. 30, 2017
Dec. 01, 2017
Mar. 31, 2017
Document and Entity Information [Abstract]      
Entity Registrant Name Citius Pharmaceuticals, Inc.    
Entity Central Index Key 0001506251    
Trading Symbol CTXR    
Amendment Flag false    
Current Fiscal Year End Date --09-30    
Document Type 10-K    
Document Period End Date Sep. 30, 2017    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2017    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Smaller Reporting Company    
Entity Public Float     $ 14,441,111
Entity Common Stock, Shares Outstanding   8,423,391