Allegra (fexofenadine) allergy: I am not quite sure of the question. Allegra (fexofenadine) is a non drowsy antihistamine to treat symptoms of allergic or non allergic rhinitis. The symptoms include runny stuffy nose, sneezing, itchy and watery eyes. It can also help itching of the skin.
Most fruits also contain MSM, but no sulfur from cysteine or methionine, because there is hardly any protein in fruits. MSM has also been found in tea, coffee, beer and port wines. It is not easy to determine sulfur content in foods because the amounts depend greatly on the quality of soil and farming practices.
The presence of an MTHFR mutation can also alter oneâs response to medications, including antidepressants and some chemotherapy drugs. Furthermore, it can increase the risk of having an adverse reaction to receiving nitrous oxide anesthesia (a common dental anesthetic). Itâs not as easily used by people with an MTHFR mutation and may interfere with the absorption of l-methylfolate. 2  Strive to eat a diet that is healthy in general and includes folate-rich foods. 3  Leafy greens, broccoli, lentils, and many beans are great sources of folate, fiber, and other nutrients.