Rt shoulder symptoms with nerve block on friday. total rt arm is numb but rt eye not as open...pupil smaller than left. block in it tomorrow . concerning?

Horner's syndrome: Hi panda, you probably have horner's syndrome which is common with these types of brachial plexus block. It's not a complication but a side effect. The medication blocked sympathetic ganglion in the neck along with other nerves. It will wear off along with the arm numbness. Nothing to worry about.

Horner's syndrome: No this is horner's syndrome that can occur after an interscalene block.