I like to use the water displacement method to remove the air… to tell the truth I was always afraid I would inhale something. I’m glad you discovered the culprit!!
In reply to Nita. If your computer is down, ask your pharmacist. Pharmacists are trained for that very thing. Of course, you need to be going to only one pharmacy; otherwise, the pharmacist won't know what other meds you are taking unless you supply a list.