Welcome to the HCMCervical spondylosis
is the probable diagnosis of your symptoms.
Requires help of orthopedic surgeon and physiotherapist.
Some good muscle relaxant
Regular posture maintenance and physiotherapy
along with the neck exercises all collectively will help you a lot.
Ear symptoms could be some concurrent Otitis Media
which can also be tackled with antihistamine and decongestant medicine, ENT consultation is required.
Loose motions could be some added GIT infection. requiring Antibiotics for GIT infection and oral rehydrating solution.
Hope the query is answered.