<prompt> Most common mode of treatment for laryngomalacia isReassuranceMedicalSurgeryWait and Watch  <response>: Mostly, treatment is conservative. Tracheostomy may be required for some cases of severe respiratory obstruction. Supraglottoplasty is required in cases of severe laryngomalacia. Ref: PL Dhingra 7th edition of Ear, Nose and Throat; Pg no 333 