I once tried to return an unopened, sealed 30 day supply of overpriced $150 medication to one of the big pharma chain stores and I was told that they won’t acce

I once tried to return an unopened, sealed 30 day supply of overpriced $150 medication to one of the big pharma chain stores and I was told that they won’t accept refunds because there could be a chance someone tampered with the medication.