this is normal post surgery no need to worry about that

Numbness in the outer left thigh following hernia surgery is a known and relatively common occurrence, but it requires evaluation by her surgical team to rule out any complications. In medical terms, this specific pattern of outer thigh numbness is typically caused by irritation or minor injury to the lateral femoral cutaneous nerve. This condition is known as meralgia paresthetica. While isolated numbness is usually a benign post-operative side effect, it becomes a red flag if it is accompanied by signs of infection, bleeding, or structural nerve damage. In such a case, please consult the surgical team immidiately.

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Numbness over the outer aspect of the thigh following hernia surgery can sometimes occur due to irritation, stretching or compression of a nerve during surgery or positioning. One possible cause is irritation of the lateral femoral cutaneous nerve, which supplies sensation to the outer thigh. This condition is known as meralgia paresthetica. If the numbness is isolated, without pain or muscle weakness, it is usually not an emergency. In many cases, sensation gradually improves over several weeks to months. However, since your mother is 68 years old and the numbness has been present since the first postoperative day, I recommend informing her operating surgeon and arranging a postoperative examination to identify the cause. I would like to know a few more details: Was the hernia surgery performed on the left or right side? Was it an inguinal hernia or an abdominal wall hernia? Was the surgery open or laparoscopic? Is she experiencing only numbness, or is there associated burning sensation, pain or weakness? These details will help determine whether the numbness is likely related to postoperative nerve irritation.