Uncertain. This can't be diagnosed with the information that is available. A history, physical examination & other studies may be needed to determine cause/causes. Once accurately assessed a treatment plan can be developed.
Insect bite? Can be from a spider bite but there are many other potential answers. Does the lump hurt or itch? Is it getting larger?
Impossible to say. It is impossible to give much specific advice without being able to see the area involved. Have a doctor take a look.
I have a hard lump that doesn't move and isn't attached to my skin underneath on back of neck. Also a little tender. What can it be?
Lymphnode? Could be a lymph node that is working as it should. However, if this does not go away in two weeks then you will need to be examined. Read more...
I have a red patch (kinda pimple like and swollen) at the base of my neck by the shoulder. Also, a small lump/bump (which is tender to touch) right where jaw meets the neck. Very small bump. Back of neck is sore too. Thanks. 35yr. Old male.?
Cysts. These may be inflammed cysts. See your dermatologist for treatment and evaluation. Read more...