Nayana Shetty, MBBS, MD When to See a Doctor Although rare, some people may experience side effects of high vitamin B12 levels such as headaches or skin reactions
Without clinical trial data, the effectiveness is unclear
GLP-1 medicines produce adverse events, predominantly gastrointestinal, transient in most
The drug, ritlecitinib, is a once-daily pill for kids ages 12 and older with severe alopecia areata, a disease that develops when the body attacks the hair follicles, causing hair loss
It should not be used to diagnose or treat any condition, nor should it replace medical advice