What other drugs will affect Psyllium?
Psyllium can interact with some medications. Before taking Psyllium, tell your doctor if you are taking any prescription or over-the-counter medicines. You may not be able to take Psyllium, or you may require a dosage adjustment or special monitoring if you are taking any other medicines. If you are taking another medicine by mouth, take Psyllium at least 2 hours before or 2 hours after the prescribed medicine, unless otherwise directed by your doctor or pharmacist.