Garudapurana 1.190.2

1.190.2

athendravāruṇīmūlaṃ vidhinā pītamīśvara /
jiṅgiṇyairaṇḍakaṃ rudra śūkaśimbyā samanvitam /
śītodakañca tatryastaṃ bāhugrīvāvyathāṃ haret //

Then indravāruṇī root drunk according to rite, O Īśvara; / [and] jiṅgiṇī, castor, and cowhage combined, O Rudra, / and cold water placed upon it removes pain in the arms and neck.