v3.25.1
Cover
Jun. 06, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 06, 2025
Current Fiscal Year End Date --12-31
Entity File Number 001-41475
Entity Registrant Name PaxMedica, Inc
Entity Central Index Key 0001811623
Entity Tax Identification Number 85-0870387
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 1000 Wyckoff Avenue
Entity Address, Address Line Two 3rd Floor
Entity Address, City or Town Mahwah
Entity Address, State or Province NJ
Entity Address, Postal Zip Code 07430
City Area Code (973)
Local Phone Number 879-9742
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.0001 per share
Trading Symbol PXMD
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false