MyChart has blocked your requested action. Your MyChart session may have expired. To resolve, follow the steps below to clear your web browser cache and cookies:


In Chrome

-          Open Chrome

-          At the top right, click More

-          Click More tools > Clear browsing data

-          At the top, choose a time range. To delete everything, select All time

-          Check the boxes next to Cookies and other site data and Cached images and files

-          Click Clear data


In Mozilla Firefox

-          Open Mozilla Firefox

-          Click on the Tools bar (3-line icon on top right corner of the browser)

-          Click on Settings

-          On the menu to the left, select Privacy & Security

-          Under the Cookies and Site Data option, click the Clear Data... button

-          Select check box next to Cookies and Site Data and Cached Web Content, then click Clear button

-          Close and re-open Firefox to save your changes


In Microsoft Edge

-          Open Microsoft Edge

-          Select Menu (3 dots icon on top right corner of the browser) > Settings > Privacy & services

-          Under Clear browsing data, select Choose what to clear

-          Select Cached images and files and Cookies and other site data check box

-          Select Clear


If you receive this error after completing the steps above, please call Texas Children's MyChart Customer Service Desk at 1-877-361-0111 and reference support ID # 47464651192651968. Thank you.