Discomfort Under Left Rib: Is It Muscle Pain or Something More? - Family Medicine

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Slight discomfort under the left rib cage?


Hello, doctor.
I apologize for bothering you, but I have been experiencing occasional discomfort in the area from the lower left rib to the waist.
It’s not very painful, just a slight soreness, and it feels a bit present.
Stretching seems to provide some relief, but when I sit back down or lie on my left side, it feels a bit strange again.
I would like to know if this is simply muscle soreness or if it might require a medical consultation.
Thank you!

Xiao Hei, 20~29 year old female. Ask Date: 2021/08/08

Dr. Cai Dongqi reply Family Medicine


Hello, Xiao Hei! Costochondritis can be followed up with an orthopedic specialist.

Reply Date: 2021/08/08

More Info


Hello! Thank you for your question regarding the discomfort you are experiencing under your left rib. Based on your description, it sounds like you are dealing with some mild discomfort that is not severe enough to cause significant pain but is noticeable enough to be concerning.
The area you are describing, from the lower left rib to the waist, can be associated with several potential causes, including muscle strain, rib dysfunction, or even issues related to the organs located in that area, such as the spleen or stomach. Given that you mentioned the discomfort feels better when stretching or yawning, it leans more towards a musculoskeletal issue rather than an internal organ problem.

Muscle pain, or myalgia, can occur due to various reasons, including overuse, poor posture, or even sleeping in an awkward position. If you have recently engaged in activities that involve lifting, twisting, or prolonged sitting, these could contribute to muscle strain. Additionally, if you have a history of physical activity or exercise that may have involved your core or upper body, this could also be a factor.

However, it is essential to consider other potential causes of discomfort in that area. For example, rib dysfunction, where the rib joints become restricted or misaligned, can lead to discomfort that mimics muscle pain. This can happen due to trauma, repetitive movements, or even prolonged sitting.
In some cases, discomfort in the left side can also be related to gastrointestinal issues, such as gas or bloating, which can cause referred pain to the rib area. Conditions like gastritis or even splenic issues can also present as discomfort in the left upper quadrant, though these are less common.

Given that your discomfort is mild and seems to improve with movement, it may not be an urgent issue. However, if you notice any of the following symptoms, it would be advisable to seek medical attention:
1. Increased Pain: If the discomfort escalates to a level that interferes with your daily activities or sleep.

2. Radiating Pain: If you experience pain that radiates to your shoulder, arm, or jaw, which could indicate a more serious condition.

3. Accompanying Symptoms: If you develop symptoms such as shortness of breath, dizziness, fever, or changes in bowel habits, these could warrant immediate medical evaluation.

4. Duration: If the discomfort persists for more than a few weeks without improvement.

In the meantime, you might consider some conservative measures to alleviate your discomfort. These could include:
- Gentle Stretching: Engaging in gentle stretching exercises can help relieve muscle tension.

- Heat Therapy: Applying a warm compress or heating pad to the affected area may help relax tight muscles.

- Posture Correction: Being mindful of your posture, especially when sitting for long periods, can prevent further strain.

- Physical Activity: Regular, low-impact exercise can help maintain muscle flexibility and strength.

If your symptoms do not improve or if you have any concerns, it would be wise to consult a healthcare professional for a thorough evaluation. They may recommend imaging studies or physical therapy to address any underlying issues.
Take care, and I hope you find relief soon!

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