Well I just suffer through it if it’s just a little headache. I’d rather not use any medication unless it’s actually hindering my ability to be productive.
The majority of the time, a headache like that is caused by not drinking enough water in the first place, and that’s always a better place to start
“The Good Place” suggested that what you have done is less important than what you are currently doing to improve as a person.
You may never erase the your moral failings from the past, but as long as you are still trying to be better, that’s what matters.