it could be swollen glands.
A lump that has a red mark on the left side of the neck could be anything. If it begins to irritate you or get inflamed it could possibly be a bite mark. If you put alcohol on it and it doesn't work then you should go to the doctor.
Any lump in your neck should be checked out by a physician to make sure it is nothing serious.
A lump at the front of the neck could be inflamed lymph nodes, or an increase in one nodule of the thyroid gland which is a butterfly shaped organ in the neck belonging to the endocrine system. At the back of the neck a lump could be a muscle spasm or a problem with a spinal vertebra.
ganglionic or sebaceous? maybe lymphadenopathic of origin.
It can be a tumor, but most likely it's a lipoma.
It could be a very bad mosquito bite..
See your doctor..It could be serious...
I had one. It was surgically removed and benign. Get it checked out by your doctor.
I believe it is the thoart
You should go and see a doctor to be on the safe side...