Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2018	Apr. 05, 2019	Jun. 30, 2018
Entity Registrant Name	Jaguar Health, Inc.
Entity Central Index Key	0001585608
Document Type	10-K
Document Period End Date	Dec. 31, 2018
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	true
Entity Shell Company	false
Entity Public Float			$ 12,405,942
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	FY
Common stock - voting
Entity Common Stock, Shares Outstanding		59,415,042
Common stock - non-voting
Entity Common Stock, Shares Outstanding		40,301,237
Convertible preferred stock.
Entity Common Stock, Shares Outstanding		5,524,926