The phrase "after reminding" is correct and usable in written English.
It can be used when indicating that an action follows the act of reminding someone about something.
Example: "After reminding her about the deadline, I felt relieved that she was now aware of it."
Alternatives: "following the reminder" or "subsequent to reminding".
After reminding the vendor of the shortchange, I then said there would be a one-dollar penalty for the shortchange.
A cafe on the French Riviera has gained international notoriety after reminding customers to mind their manners.
Frances's father — after reminding her that he needs sleep so that he can be ready for his job the next morning — calmly issues the threat of a spanking.
After reminding Bailey that it was Leah's toy, not hers, I told her sternly, "Go ask Leah" if she could have the toy.
"The state of our union has never been stronger," President George W. Bush said in January 2002, immediately after reminding Congress that the nation was at war and the economy was in recession.
After reminding her husband of the one woman, long dead, who threatened to come between them, she warns him that if he ever cheats on her, she'll leave him.
From the street came the mingled smells of what shall ever after remind me of Madagascar: charcoal fires and raw sewage.
The before and after reminded me of those miracle weight-loss ads: same person one-third smaller.
Rather than glowing up, before-and-after photos remind us how dramatically the health of our planet has declined.
After gently reminding him who I was, he asked me what I was doing with the rest of my day.
Other children spoke of assisting with more household chores after disclosure, reminding their parents to take their medication on time, avoiding arguments with other family members, and being more independent.
