It is safe for you to take citalopram with Imodium, there is no drug interaction between the two medications.
Hello, I can not fine what medication you are taking but there should not be any problem taking a anti-diarreahal together with a SSRI. SSRI are safe and relatively weak therefour they are safe to take and will not cous amy major changes in the bodyphysiology.
You can check interactions at http://www.drugs.com/drug_interactions.html