This has happened to me before at Walmart too. I went in person and did not leave until they finally understood I had only been given a few days worth because they were out of stock. What a hassle it was. Once it was all said and done I did inform them I would be calling in my refills 5 days in advance to make sure they would have the medication in stock.

Since the pharmacy is open 7 days a week just keep on them to fix this mess!

I am so sorry this has happened to you