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rash, and asthma. Black psyllium might lower blood sugar. If you have diabetes, check your blood sugar carefully.
Black psyllium should always be taken with water or other liquid. If taken without liquid, it can block the esophagus, throat, or intestine.
Black psyllium seeds contain a substance which can cause kidney damage. Commercial preparations of black psyllium usually have this substance removed. Do not use black psyllium seeds unless they have had special processing to make them less toxic.
Do not take black psyllium if:
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.