Most of us have experienced it at least once—a tingling sensation in the legs, toes, or arms, usually as a result of sitting or sleeping in a position that restricts blood circulation to one of these areas. While this reaction is relatively common and harmless, if it persists, you should consult your doctor. In the meantime, here are some insights on the different causes behind this sensation, known medically as paresthesia.

Tingling can have many causes. While it usually isn't dangerous, it can sometimes signal other minor or even more serious conditions. Let's take a closer look.

1. Diabetes and Nerve Damage

This is considered the most common cause of numbness or tingling, as high blood sugar levels can eventually lead to nerve damage (diabetic neuropathy). You might also experience frequent urination, increased thirst, and fruity-smelling breath (from ketones). A blood test can confirm diabetes. If diagnosed, steps can be taken to help prevent further nerve damage.

2. Pregnancy

Pregnant women can experience numbness and tingling in their arms, hands, and legs. This may worsen as the baby grows and as extra pregnancy fluid accumulates, putting pressure on nerves and causing tingling when the belly stretches. A wrist splint may help with numbness in the hands. These mild symptoms typically disappear after childbirth.

3. Pinched Nerve

Pressure on nerves in the legs may be caused by a herniated disc or bulge in the spine, leading to numbness or tingling in the feet. In the hands, it may feel like a loss of sensation, often linked to carpal tunnel syndrome. Common treatments include rest, splinting, or physical therapy. In some cases, surgery might be required.

4. Autoimmune Diseases

Conditions like multiple sclerosis (MS) and lupus can trigger immune attacks on nerve tissue, causing persistent or recurring tingling. These disorders often require specialized management—early diagnosis is crucial.

5. Poor Circulation

Temporary tingling can stem from reduced blood flow, often due to sitting in one position for too long or crossing your legs. However, chronic issues like peripheral artery disease can also restrict blood flow and cause persistent tingling.

6. Vitamin Deficiencies

Lack of vitamins such as B12, B6, and E can impair nerve function. If tingling is accompanied by other symptoms like fatigue or memory problems, a vitamin deficiency might be the reason. Blood tests can identify deficiencies, and supplementation can reverse nerve symptoms in many cases.

7. Infections

Some infections, such as shingles, Lyme disease, or HIV, can attack the nervous system and result in tingling, numbness, or even pain. Early treatment is essential to minimize long-term effects.

8. Medications

Certain medicines, particularly chemotherapy drugs and some antibiotics, list tingling as a side effect. If you notice this symptom after starting a new medication, consult your prescribing doctor.

9. Alcohol Misuse

Chronic excessive alcohol consumption can be toxic to nerves, causing a type of nerve damage called alcoholic neuropathy. Tingling typically appears in the legs and feet first.

10. Repetitive Movements

Frequent repetitive motions, such as typing or using tools, can compress nerves, leading to tingling with conditions like carpal tunnel syndrome. Adjusting ergonomics and taking regular breaks can help.

11. Anxiety

High levels of anxiety or panic attacks can produce hyperventilation and cause tingling sensations in the hands, feet, or face. Relaxation techniques and managing stress can reduce these occurrences.

12. Multiple Sclerosis

MS is a chronic autoimmune disease that damages the protective covering of nerves, leading to symptoms such as tingling, numbness, and muscle weakness. If you experience unexplained, persistent tingling, especially with other neurological changes, seek professional evaluation.

Remember, occasional tingling—especially after sitting awkwardly—is usually not a cause for concern. However, persistent tingling, or symptoms associated with weakness, pain, or other changes, require medical advice for a proper diagnosis.

If you notice new or lasting tingling, especially with other symptoms, consult your healthcare provider to find out what's going on beneath the surface.

Source: https://recepten.servi.tn/12-redenen-waarom-je-tintelingen-in-je-handen-en-benen-voelt/