he now takes Xyzall and MG 2Plus but to no avail

Dear Customer
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What are those medications ?
Xyzall : anti-allergy medication 
MG 2Plus : suppliment 
What to do next if they are not availble ?
you can look for the medications by their generic name , as those medications are widely availbe in pharmacies and widely used 
the generic names :
Xyzall : Levocetirizine
MG 2Plus : magnesuim suppliment
Pharmacies in tunisia :
1. Night Pharmacy - Ave Habib Bourguiba, Tunis, Tunisia
+216 71 222 284
2. Pharmacie - Tunis 1091, Tunisia
+216 71 920 273
3. PHARMACIE DE LA BOURSE
+216 71 190 007
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Kind Regards