The symptoms that you describe are suggestive of upper respiratory tract
infection with post nasal drip
. The greenish color of the discharge suggests secondary bacterial infection. The pain in the ear is associated with the catarrh due to the Eustachian tube involvement. This might have occured due to climatic changes.
Take steam inhalation (do not add vicks
or anything to the water, plain steam is better) Blow your nose and bring out the mucous. Warm water gargling is also necessary. Have hot milk with turmeric and a bit of black pepper to relieve your throat pain.
If it does not subside, visit your family physician, who might suggest antibiotics