Purchases of over-the-counter medicines like aspirin and cough syrup will help employees who hold health flexible spending accounts whittle balances before 2008 ends and, in many cases, they forfeit their money Benefits experts say there are several last-minute ways to use leftover money in these accounts. Band-Aids, laxatives and even condoms are all eligible for flex spending dollars. A family of four tends to spend about $200 each year on over-the-counter items that can be reimbursed through an FSA.