 [ Symptoms ] my 5 year old broke her arm saturday night and i am flying from ny to the bahamas tomorrow can she fly with a cast on  or does the cast have to be removed for the duration of the flight 2 5 hrs [ Disease ] well blocked nose is due to sinus congestion only so my suggestion is to consult an otorhinolaryngologist and get evaluated a pns view x ray can be done a course of antibiotics anti inflammatory painkillers decongestant nasal spray like xylometazoline saline nasal irrigation steam inhalation can relieve you doing warm compresses  around nose will help use a humidifier in your room avoid very cold atmosphere hope this helps