Did changing birth control change how well your ADHD medication worked?

Changing birth control can change bleeding, mood, and how day-to-day side effects feel, and some people then wonder whether ADHD medication has changed too. That sequence is not official proof that a contraceptive hormone has inactivated a stimulant. Combined hormonal methods, a hormonal intrauterine system, and a copper IUD are different products with different bleeding patterns. If the change is persistent, distressing, or affecting daily functioning, bring a brief timeline to the prescribing clinician rather than changing the dose independently. Related reading: https://www.fastreat.com/en/blogs/adhd-in-women-signs References: https://www.nhs.uk/contraception/methods-of-contraception/combined-pill/ https://www.nhs.uk/contraception/methods-of-contraception/ius-hormonal-coil/ https://www.nhs.uk/contraception/methods-of-contraception/iud-coil/ https://www.caddra.ca/wp-content/uploads/Practice-Summary-based-on-ADHD-and-Hormones-in-Women-with-Sara-Binder.pdf

After I switched from a combined pill to a hormonal coil, my ADHD days felt less jagged for a while, then the same again. I cannot tell if that was bleeding, sleep, or coincidence. I did not touch the stimulant to test the theory. I told the GP the timeline and left the ADHD clinic to the ADHD clinic. This is just my switch, not a ranking of methods for anyone else.