In reply to Banana Cockroach:
Tight fitting shoes whether high heeled or climbing shoes will cause feet problems.
Best advice would be to:
1. minimse the amount of time you wear the shoes.
2. experiment with different shoes and makes
3. the next size bigger might be more comfortable, depends how tight you want them.
4. try taking them to a cobblers and getting them stretched. I tried this once, wasnt a great success but helped a little.