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What does it mean if I feel a small movable lump under my right jaw, and what should I do?

Dec 01, 2025 Source: Cainiu Health
Dr. Li Feng
Introduction
In most cases, a movable small lump felt under the right jaw may be caused by normal lymph nodes, physiological fat nodules, lymphadenitis, sebaceous cysts, lipomas, or similar conditions. Depending on the specific situation, patients can choose appropriate management approaches such as routine care, medication, or surgical treatment. A movable small lump under the right jaw is usually benign, so there is no need for excessive concern.

Generally, a movable small lump felt under the right chin may be caused by normal lymph nodes, physiological fatty nodules, lymphadenitis, sebaceous cysts, or lipomas. Depending on the specific situation, patients can choose appropriate management methods such as routine care, medication, or surgical treatment. Detailed analysis is as follows:

1. Normal Lymph Nodes

Superficial lymph nodes normally exist in the chin area. They are soft, movable, and typically painless or non-tender. No special treatment is required—just observe and avoid frequent pressing or irritation.

2. Physiological Fatty Nodules

Localized uneven fat distribution can form small firm lumps that are soft, elastic, and easily movable. Adjust diet to reduce high-fat intake, engage in moderate exercise to boost metabolism, and maintain cleanliness of the area.

3. Lymphadenitis

Infections in the oral cavity or throat may trigger reactive enlargement of lymph nodes, presenting as a painful, tender lump. Treat the underlying infection and take medications such as Cefradine Capsules, Amoxicillin Capsules, or Roxithromycin Dispersible Tablets as prescribed. Drink plenty of water and follow a light, bland diet.

4. Sebaceous Cyst

A cyst forms when sebaceous gland ducts become blocked. The lump is of moderate consistency and movable; if infected, it may become red, swollen, and painful. Keep the area clean if uninfected. During infection, apply Mupirocin Ointment topically. After inflammation is controlled, surgical excision of the cyst is recommended.

5. Lipoma

A benign tumor formed by abnormal proliferation of fat tissue, characterized by soft texture and well-defined borders. Usually asymptomatic. Small lipomas can be monitored regularly. Surgical removal is recommended if the lipoma grows significantly or affects daily life. Keep the wound dry after surgery.

Movable small lumps under the right chin are mostly benign, so there's no need for excessive worry. Avoid repeatedly touching or irritating the area, and monitor changes in the lump’s size and texture. Seek prompt medical evaluation if the lump grows rapidly, becomes increasingly painful, or feels fixed or adherent, to ensure accurate diagnosis and proper management for peace of mind.

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