Dogs are notoriously light sleepers, which means you have to be careful about the noises you make...
I might have a cold... 
Better take some meds.
.قد أصاب بالزّكام... من الأفضل تناول الدّواء
Ich fühl mich kränklich …
Besser was davon schlucken …
Mi sa che ho l'influenza.
Meglio prendere le medicine.
Простудилась, что ли? Съем-ка таблетки.