I Take Potassium Chloride Er 10 Capsule By Mouth Daily.

I take potassium chloride er 10 capsule by mouth daily. But the last ones that the druggist gave me were just too big to swallow. I got choked on them. I had been taking a smaller capsule, but can't find the empty bottle. There are several capsules of different sizes. When I checked with the new druggist suggested athe tablet,KLOR-CON M 10 TABLET. But after two days of taking these i was severely constipated and even the small orange Dulce Lax didn't work for the constipation. Don't know what to do at this point. I know there was a smaller capsule.