Salam, Zayn.

Apparently there is a clinic in Nouakchott: IRIN Africa | MAURITANIA: Discrimination, staff shortages mean mental health short changed | Mauritania | Children | Health & Nutrition | Human Rights

There is also a program in Nouadhibou which is a collaboration between the Ministry of Health and Sanofi Aventis, a drug company:

I wish you the best of luck.