Exacerbation of soft tissue rheumatism by excess vitamin A: case reviews with clinical vignette.

In certain situations, health problems can arise if physicians are not aware of over-the-counter medications and vitamins a patient may be taking in addition to their regular prescriptions. Since many people do not consider OTC drugs to be medications, they often do not relay this information while discussing their medical histories. This article describes how the symptoms of soft tissue rheumatism can become worse if patients ingest an excess amount of vitamin A.