Possible side effects of using psyllium husks are generally mild and include gas and stomach cramping,, according to WebMD. Serious allergic reactions may occur in rare cases. If not taken correctly, psyllium husks can also cause choking.
Patients should consume psyllium husks with a full glass, or at least 8 ounces, of water or another liquid to prevent the fiber from swelling in the throat and causing choking, confirms WebMD. Patients should seek emergency medical attention if they experience choking symptoms such as difficulty breathing, difficulty swallowing, vomiting or chest pain. Rare but serious side effects of using psyllium husks include stomach blockage and intestinal stool blockage.
In the rare case of a serious allergic reaction, symptoms may include rash, swelling of the throat or facial area, itching, difficulty breathing and severe dizziness, according to WebMD. Patients should seek immediate medical care if they notice any of these symptoms. They should also contact a doctor if gas or stomach cramping persists or worsens. Before using psyllium husks, patients should notify their doctor if they have a history of stomach or intestinal blockage, rectal bleeding, a sudden change of bowel habits or appendicitis. Patients who have difficulty swallowing, are breastfeeding or pregnant, or have diabetes also should consult a doctor before using this remedy.