Are there side effects from ingesting the senna found in Natural High herbal laxatives?
Side effects of senna may include cramping and abdominal pain. Senna can also cause electrolyte imbalance, dehydration, nausea and rash, swelling of the fingertips, weight loss, and dark pigmentation in the colon as result of long-term use. View our entire listing of Natural Swiss Kriss products. 1 SENNA. Caroline M. Levchuck, Jane Kelly Kosek, and Michele Drohan. Healthy Living. Allison McNeill, Editor. Farmington Hills, Mich.: UXL, 2000(1).