What is commonly seen in patients with Vitamin B1 deficiency?

Vitamin B1, also known as thiamine, plays a crucial role in carbohydrate metabolism and is essential for proper nerve function. A deficiency in this vitamin can lead to a condition known as Wernicke-Korsakoff syndrome, which prominently features polyneuropathy. This syndrome is characterized by symptoms such as ataxia, confusion, and opthalmoplegia due to thiamine's role in metabolizing sugars to generate energy for nerve cells.

In the context of vitamin B1 deficiency, polyneuropathy can manifest as nerve pain, tingling, or numbness in the extremities, which reflects the impact of thiamine on nerve health. These symptoms result from damage to peripheral nerves, as thiamine is vital for the energy metabolism required for normal nerve function.

The other options, while they can be associated with various nutritional deficiencies or conditions, do not specifically correlate with the classic manifestations of vitamin B1 deficiency. For instance, dry skin is more associated with deficiencies in vitamins like vitamin A or essential fatty acids, muscle cramping can occur due to electrolyte imbalances or dehydration, and visual disturbances can arise from various causes, including vitamin A deficiency or other neurological disorders, but are not specific to thiamine deficiency.