This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Which of the following drugs should not be used with rivastigmine in patients with alzheimer's disease - 
Select and explain. 
A. SSRI, B. Tricyclic antidepressant, C. RIMA, D. Atypical antidepressants
B: Tricyclic antidepressant
Answer: B: Tricyclic antidepressant 
Explanation: Ans. is 'b' i.e., Tricyclic antidepressant Rivastigmine (cholinesterase inhibitor) should not be used with drugs that have cholinergic antagonistic activity like tricyclic antidepressants (TCA) as the combination is counter productive.