Search Now. Find a Great Dermatologist Near You. Dry scaly skin has been associated with a number of disorders, including bacterial infections (for example, impetigo, staph infections, or erythrasma) and fungal infections (for example, tinea, also known as ringworm).
One vitamin that can upset your stomach when taken in large doses is vitamin C, also called ascorbic acid. Vitamin C plays an essential role in tissue maintenance by promoting the production of collagen -- a protein that makes up a portion of your bones, blood vessels, tendons and ligaments.
A problem with either stomach acid or intrinsic factor can lead to a vitamin B12 deficiency. Oral vitamin B12 supplements contain a form of vitamin B12 that is easy to absorb without stomach acid, but these pills may not treat all causes of vitamin B12 deficiency.People who have undergone gastric bypass surgery, for example, can develop a deficiency in the intrinsic factor. vitamin B12 deficiency has a wide range of symptoms. Someone with low vitamin B12 may lose their appetite, lose weight or feel tired and weak. Depression, poor memory and trouble thinking can all be symptoms of a vitamin B12 deficiency.