Can Cefalexina Pills And Deralbina Be Used Along With Lithium And Seroquel?

i have lithium (priadel) and seroquel.. now i m on holiday in south america and my feet were very dry and starts to crackle(?).. doctor in mendoza, argentina, gave me cefalexina pills and a crema Deralbina (nitrato de micronazol). Does it give contra indications/ is it ok with my medicines?