Common reasons include chronic sinusitis, nasal polyps, blocked sinus passages, and recurrent sinus infections that do not respond to other treatments.

Symptoms may include fatigue, weakness, anemia, neurological changes, and cognitive impairments.

Treatment involves vitamin B12 supplementation through oral tablets or injections, depending on the severity of the deficiency.

Yes, diets low in animal products, such as vegan or vegetarian diets, can lead to vitamin B12 deficiency.

Frequency depends on individual risk factors and health conditions. Consult your healthcare provider for personalized advice.

The test involves a simple blood draw with minimal risks, such as slight bruising at the puncture site.

A positive result suggests exposure to Treponema pallidum, the bacterium causing syphilis. Further tests are needed to confirm the diagnosis.

No, the VDRL test detects antibodies to Treponema pallidum, which may persist even after successful treatment. Additional tests may be required for confirmation.

Yes, routine VDRL testing during pregnancy helps detect and treat syphilis early to prevent transmission to the fetus.

No specific precautions are necessary. Follow any instructions provided by your healthcare provider based on your results.

Consult a healthcare provider for further evaluation, as additional tests or clinical assessment may be necessary.