v3.25.2
Cover
Jul. 17, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jul. 17, 2025
Entity Registrant Name PRAXIS PRECISION MEDICINES, INC.
Amendment Flag false
Entity Central Index Key 0001689548
Entity Incorporation, State or Country Code DE
Entity File Number 001-39620
Entity Tax Identification Number 47-5195942
Entity Address, Address Line One 99 High Street
Entity Address, Address Line Two 30th Floor
Entity Address, City or Town Boston
Entity Address, State or Province MA
Entity Address, Postal Zip Code 02110
City Area Code 617
Local Phone Number 300-8460
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.0001 par value per share
Trading Symbol PRAX
Security Exchange Name NASDAQ
Entity Emerging Growth Company false