Examples include:
- Multiple sclerosis
- Lupus
- Rheumatoid arthritis
- Guillain-Barré syndrome
- Sjögren syndrome
Treatment depends on the specific diagnosis and often involves medications that reduce immune system activity.
12. Infections
Certain infections can affect nerves, including:
- Lyme disease
- HIV
- Shingles
- Hepatitis C
Early treatment of the underlying infection may reduce nerve damage.
13. Medication Side Effects
Some medications can damage peripheral nerves.
Examples include certain:
- Chemotherapy drugs
- Antibiotics
- Anticonvulsants
- Antiviral medications
Never stop prescribed medication without consulting your healthcare provider.
Risk Factors
You may be more likely to experience chronic foot tingling if you have:
- Diabetes
- Smoking history
- Obesity
- High blood pressure
- High cholesterol
- Heavy alcohol use
- Vitamin deficiencies
- Kidney disease
- Autoimmune disease
- Family history of neuropathy
How Doctors Diagnose the Cause
Diagnosis begins with a thorough medical history and physical examination.
Your healthcare provider may recommend:
- Blood glucose testing
- Hemoglobin A1c
- Vitamin B12 level
- Thyroid function tests
- Kidney function tests
- Complete blood count
- Nerve conduction studies
- Electromyography (EMG)
- MRI of the spine if nerve compression is suspected
- Ultrasound or vascular testing if poor circulation is suspected
Proper diagnosis is essential because treatment depends on the underlying cause.