the things that he fears appears to have loud noises. start by having his hearing tested by a professional audiologist in a sound-controlled booth. he may have ultra-sensitive hearing and those noises are painful to him. before assuming his problem is psychological it would be wise to rule out any organic reasons for his fears.
my 3 year old boy is affraid of almost every thing what to do? . my boy is affraid of noises he is scared of his toys that he was used to play with from a hair dryer a grinder fire truck;s siren.