Short Answer
Mandatory co-payments at the pharmacy are capped at a specific percentage of your annual gross income.
Once your out-of-pocket spending on prescriptions exceeds 2% (or 1% for chronic illnesses), you are entitled to a full exemption for the remainder of the year.
What Most Expats Don't Realize
You assumed the €5 to €10 fees at the pharmacy were just a fixed cost of living in Germany and threw every receipt into the trash. By October, your recurring medication costs surpassed €400, but because you had no physical proof of payment, the insurance company rejected your claim for a refund. You lost several hundred euros simply because you didn't realize those small scraps of paper were legally required for your "Belastungsgrenze" (spending limit) calculation.
What To Do
- Open a dedicated folder or envelope to store every single "Quittung" (receipt) from the pharmacy.
- Download your annual income statement to calculate when your total co-payments reach the 2% threshold.
- "Ich brauche eine Quittung für die Krankenkasse." (I need a receipt for the health insurance.) Ask for this every time you pay at the pharmacy counter.
The Truth
The system requires you to prove your own financial burden before it grants an exemption. If you do not collect the evidence yourself, the insurance company will continue to charge you for every single medication.