That is a good sign. Red pepper flakes will not worm chickens. Believe me I was led to believe that once. Either of the wormers listed will work. SafeGuard might be easier to find. Dosage is 1/4 ml per pound, about 1.25 ml for a 5 pound hen is given orally for 5 days, and that will kill most...
It won’t hurt to worm her with Valbazen or SafeGuard liquid goat wormer. Can you offer some cooked rice with yogurt or buttermilk? Does your fermented food seem okay? It is possible that she is suffering from a reproductive disorder or even cancer. I would check her corp again early in the...