Concomitant administration of felbamate and carbamazepine decreases blood levels of both drugs, while increasing the level of "carbamazepine-10,11 epoxide", the active metabolite of carbamazepine.
A concomitant boom of the real estate market, increasingly under pressure by strong demographic growth and internal migrations, led to the explosion of urban areas.
Even during an already ongoing diagnostic procedure, there can be an indication to perform another, separate, diagnostic procedure for another, potentially concomitant, disease or condition.