last two to four weeks, feel hard or rubbery, or come with fever, night sweats, or weight loss.
2. Skin Cysts
A cyst is a small sac under the skin that may contain fluid or thick material. Cysts can appear almost anywhere on the body, including the neck. They are often round, smooth, and slow-growing.
A cyst may not hurt unless it becomes irritated or infected. If it becomes red, warm, painful, or starts draining, it should be checked by a healthcare professional.
Do not squeeze or cut a cyst
