Nerve Sensations: Tightness and Numbness While Sleeping - Neurology

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The sensations you're experiencing, such as tightness and numbness in your left buttock extending to your left thigh, as well as the feeling of tightness in your right hand while sleeping, can be concerning and may indicate a few underlying issues. It's important to understand that these sensations can arise from various causes, including nerve compression, circulatory issues, or even anxiety-related muscle tension.

When you describe the feeling of tightness similar to a rubber band around your hand, it could be indicative of nerve compression or irritation. This can occur due to several reasons, such as poor posture, prolonged sitting, or sleeping in a position that puts pressure on certain nerves. For instance, if you sleep with your arm under your head or body, it can compress the nerves in your arm, leading to sensations of tightness or numbness. Similarly, sitting for extended periods, especially in a position that compresses the sciatic nerve, can lead to the sensations you feel in your thigh.

The fact that you mentioned these symptoms are new to you is noteworthy. Changes in sensation, especially if they are persistent or worsening, should be evaluated further. While the neurologist you consulted mentioned that "everyone experiences this," it is essential to consider that individual experiences can vary significantly. If this is a new symptom for you, it warrants further investigation to rule out any underlying conditions such as peripheral neuropathy, carpal tunnel syndrome, or even issues related to your spine, such as a herniated disc.

Regarding your blood test results, specifically the IgG4 level of 73 mg/dl, it's important to interpret this in the context of your overall health and any symptoms you may be experiencing. IgG4 is a subclass of immunoglobulin G (IgG) and is often associated with certain autoimmune conditions, including IgG4-related disease, which can affect various organs. However, an isolated IgG4 level does not provide a definitive diagnosis. Normal ranges can vary by laboratory, and elevated levels can be seen in various conditions, including allergies, chronic inflammation, and certain infections. It would be best to discuss these results with your healthcare provider, who can interpret them in conjunction with your symptoms and medical history.

In summary, the sensations of tightness and numbness you're experiencing could be related to nerve compression or other musculoskeletal issues. It is advisable to monitor these symptoms and seek further evaluation if they persist or worsen. Additionally, discussing your IgG4 levels with your healthcare provider will help clarify their significance in your overall health context. If you continue to experience discomfort, consider consulting a specialist in neurology or a physical therapist who can provide guidance on posture and ergonomics to alleviate your symptoms.