How long do side effects of Erdafitinib last?

Erdafitinib (Erdafitinib) is an oral anti-cancer drug commonly used to treat advanced or metastatic urothelial cancer. According to clinical trial data and drug instructions, common side effects of erdafitinib include stomatitis, fatigue, diarrhea, dry mouth, nail abnormalities, decreased appetite, dry skin, dry eyes, alopecia, palmar erythrodysesthesia syndrome, etc. The onset and duration of these side effects vary from person to person. Side effects usually develop gradually over several weeks after starting erdafitinib and may persist during treatment. Some side effects may go away within a few days or weeks after stopping the medication, but some may take longer to resolve.