*Surgery: Because black psyllium might affect blood sugar levels, there is a concern that it might interfere with blood sugar control during and after surgery. Stop using black psyllium at least 2 weeks before a scheduled surgery.
*Swallowing disorders: People who have trouble swallowing might be more likely to choke on black psyllium. If you have a swallowing problem, don’t use black psyllium.
* Carbamazepine (Tegretol) interacts with Black Psyllium
* Digoxin (Lanoxin) interacts with Black Psyllium
* Lithium interacts with Black Psyllium
* Medications for diabetes (Antidiabetes drugs) interacts with Black Psyllium.
==Benefits and uses of Black Psyllium are==