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Dr. Vikas
Dr. Vikas, Psychiatrist
Category: Mental Health
Satisfied Customers: 2253
Experience:  MBBS ; M.D Psychiatry, MS. Health Informatics
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I have a 20 year old son that has anxiety diarrohea we have

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I have a 20 year old son that has anxiety diarrohea we have been to a phycologist ,natropath and homepath Whenever he goes out of his comfort zone his stomach goes crazy and he gets this diarrohae I tried all the alternatives 1st as we weren't keen on anti depressnats but he is about to change jobs and it has flared up again when it hits his mind takes over and it just wants to expell everything from his bowels can you please advise a medication thta is suitable and has low side affects as i will be taking him back to our family doctor tommorrow to get a script He is also a mechanic so he will be driving cars and operating machinery Thanks cara
Submitted: 5 years ago.
Category: Mental Health
Expert:  Dr. Vikas replied 5 years ago.
Hello Cara,

Although SSRI antidepressants such as Fluoxetine, Sertraline, Escitalopram etc are a very good options in most anxiety disorders but they have significant gastrointestinal side effects and may themselves cause diarrhea or constipation in some patients. Therefore we usually try to avoid them. In some cases, they can be a good second line options too.

In his case, Mirtazapine can be a very good option in my view as it is well tolerated by most of the patients having diarrhea and can control his anxiety diarrhea effectively. Other possible alternative could be Tricyclic antidepressant such as Amitriptyline.

His doctor may also consider the option of adding a long acting Benzodiazepine specially chlordiazepoxide 25 mg in once a day or twice a day dose depending on the clinical symptoms.

All medicines have some side effects and Mirtazapine / Amitriptyline / Chlordiazepoxide are very sedative in nature. Mirtazapine may also cause weight gain in most patients.

Best wishes,


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