Should You See a Doctor for Numbness After a Bite Without Skin Break? - Neurology

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After being bitten, there is no wound but the skin feels numb?


Hello, doctor.
A few days ago, I was bitten on the back of my hand.
The bite mark is deep but there is no broken skin, just a little bruising.
Additionally, the skin on the back of my hand extending to my index and middle fingers feels numb.
I would like to know if I need to go to the hospital for a check-up, or if I can wait for it to heal on its own.
Is there a possibility of serious nerve damage?

Jia Rou, 20~29 year old female. Ask Date: 2021/12/19

Dr. Cai Zongzhang reply Neurology


Hello, Jia-Rou: It is recommended to visit the neurology outpatient clinic to check for any neurological function impairment.

Reply Date: 2021/12/19

More Info


When experiencing numbness or tingling in the skin after a bite, even in the absence of a visible skin break, it is important to consider a few factors before deciding whether to seek medical attention. In your case, the bite mark is deep and accompanied by bruising, which suggests that there may be underlying tissue damage. The numbness extending from the back of your hand to your index and middle fingers raises concerns about potential nerve involvement.

Firstly, it's essential to understand that bites can cause various types of injuries, including soft tissue damage, bruising, and, in some cases, nerve compression or injury. The numbness you are experiencing could be a result of swelling or inflammation pressing on nearby nerves, particularly if the bite was deep enough to affect the underlying structures. The fact that you have bruising indicates that there was some degree of trauma, which could lead to localized swelling and, consequently, nerve irritation.

In general, if you experience numbness, tingling, or weakness in a limb following an injury, it is advisable to seek medical evaluation. While it is possible that the symptoms may resolve on their own as the bruising and swelling subside, there is also the risk of more serious complications, such as nerve damage, which may require intervention. A healthcare professional can perform a thorough examination, assess the extent of the injury, and determine if any imaging studies, such as an ultrasound or MRI, are necessary to evaluate for nerve damage or other complications.

Additionally, if you notice any worsening of symptoms, such as increased pain, swelling, or changes in sensation (e.g., loss of movement or increased numbness), it is crucial to seek immediate medical attention. These could be signs of a more severe injury that may need prompt treatment.

In summary, while it may be tempting to wait and see if the symptoms improve, given the nature of your injury and the presence of numbness, it is prudent to consult a doctor. They can provide a proper diagnosis and recommend appropriate treatment to ensure that any potential nerve injury is addressed, preventing long-term complications. Remember, early intervention can often lead to better outcomes, especially when it comes to nerve-related issues.

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