Coccyx Pain: Symptoms, Causes, and When to Seek Help

Coccygeal issues

In January of this year, I fell on the stairs and hit my coccyx on the ground.
It was very painful at the moment, but after resting for a day or two, the pain subsided, and I did not seek medical attention.
About two weeks ago, I noticed that the sensation on the dorsum of my right foot was slightly diminished compared to the left, and I occasionally felt a tingling sensation in my right calf.
Diabetes has been ruled out.
I usually sit cross-legged but have tried to change my position to sitting half-reclined on the sofa with my legs extended.
Yesterday, after sitting half-reclined for a while, when I got up, I felt a tingling sensation at the base of my coccyx and at the junction of my buttocks on both sides, but there was no pain.
It took about 20 minutes of walking for the tingling to subside.
I have checked my perineum, buttocks, and inner and outer thighs, and everything seems normal.
My lower back only feels slightly sore but not painful.
1.
Is it normal to experience tingling after pressure on the coccyx? If not, what issues should be considered, and what examinations should be conducted?
2.
Is the diminished sensation on the dorsum of my right foot related to the tingling in my coccyx?
3.
Are these symptoms related to the injury I sustained earlier this year?
4.
Do these symptoms resemble cauda equina syndrome?
Thank you.

Miss Wang, 30~39 year old female. Ask Date: 2023/09/25

Dr. Shi Guozheng reply Orthopedics

1.
If there is numbness, it may indicate nerve compression.

2.
It is possible.

3.
It may be related.

4.
Unlike cauda equina syndrome, there is no phenomenon of urinary or fecal incontinence.

Reply Date: 2023/09/25

More Info

Coccyx pain, also known as coccydynia, can arise from various causes, including trauma, prolonged sitting, or underlying medical conditions. Given your history of falling and hitting your tailbone in January, it is plausible that your current symptoms may be related to that injury. Let's break down your questions and concerns regarding your symptoms.

1. Is it normal to experience numbness after sitting on the coccyx?
Numbness in the area around the coccyx after prolonged sitting can occur, especially if pressure is applied to the tailbone. This can compress nerves in the area, leading to temporary numbness or tingling sensations. However, if the numbness persists or is accompanied by other symptoms, it may indicate a more serious issue, such as nerve compression or injury. It is advisable to monitor the duration and frequency of these symptoms. If they become more frequent or severe, consulting a healthcare professional for a thorough evaluation would be prudent.

2. Could the reduced sensation in the right foot be related to the coccyx numbness?
The reduced sensation in your right foot may or may not be directly related to the coccyx numbness. The body’s nervous system is complex, and issues in one area can sometimes manifest symptoms in another. However, if the numbness in your foot is isolated and not accompanied by other neurological symptoms (like weakness or severe pain), it may not be directly linked to your coccyx injury. It could be due to other factors such as posture, nerve entrapment, or even a mild peripheral neuropathy. A thorough neurological examination would help clarify this.

3. Are these symptoms related to the injury from earlier this year?
Yes, it is quite possible that your current symptoms are related to the injury you sustained in January. Trauma to the coccyx can lead to inflammation, bruising, or even fractures that may not have fully healed. Sometimes, the effects of such injuries can manifest weeks or months later, especially if there was any nerve involvement or if the injury led to changes in your posture or movement patterns. If you notice that your symptoms are worsening or not improving, it would be wise to seek medical advice.

4. Do these symptoms resemble cauda equina syndrome?
Cauda equina syndrome is a serious condition that occurs when the nerve roots at the lower end of the spinal cord are compressed. Symptoms can include severe lower back pain, numbness in the saddle area (the area that would touch a saddle), bladder or bowel dysfunction, and weakness in the legs. While your symptoms of numbness and tingling could raise concerns, they do not appear to fit the classic presentation of cauda equina syndrome, especially since you mentioned that you do not have bowel or bladder issues. However, if you experience any new symptoms such as loss of bowel or bladder control, severe weakness, or worsening numbness, you should seek immediate medical attention.

In conclusion, while some of your symptoms may be normal following a coccyx injury, it is essential to remain vigilant. If you experience persistent numbness, changes in sensation, or any new symptoms, it is advisable to consult a healthcare professional. They may recommend imaging studies, such as an MRI or CT scan, to assess for any underlying issues related to your coccyx or spinal nerves. Additionally, physical therapy may be beneficial in managing your symptoms and improving your posture and comfort.

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