This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Pharmacology
All the following has mood stabilizing action EXCEPT: 
Select and explain. 
A. Carbamazepine, B. Lamotrigine, C. Lithium, D. Paroxitine
D: Paroxitine
Answer: D: Paroxitine 
Explanation: Ans. d) Paroxetine. (Ref. Pharmacology by KD Tripathi 5th/- 418, 412)MOOD STABILIZERS# Lithium# Carbamazepine# Sodium valproate# Lamotrigine; Gabapentin, topiramate (their value yet not known)# Olanzapine; Risperidone# Clonidine, verapamil, nimodipine are also being investigated as alternative to lithium.Paroxetine is selective Serotonergic reuptake inhibitor (SSRIs).# Other SSRI'S include- Fluoxetine (longest acting)- Fluoxamine- Paroxetine- Sertraline- Citolapram# Uses of SSRIs- OCD- Panic disorders- Social phobia- Eating disorder- Post traumatic stress disorder- Body dysmorphic disorder- Kleptomania