Yes and that is what she does and finds most effective, but still doesn't make her symptom free. Seems really sensitive. She thought the ones in the USA worked better, but I looked them up with a pharmacist at work and they're the same concentration across the boarder. So makes me think it's a little in her head too. It's tough being a fishermen with sick family members. Not built for the sea. I took the Father inlaw out this summer to the banks off Ukee and he was a bit green the first day. Slapped a patch on him and worked great for him.