as needed

US /æz ˈniːdɪd/
UK /æz ˈniːdɪd/
"as needed" picture
1.

au besoin, si nécessaire

when or where necessary; as required.

:
Add water as needed to the mixture.
Ajoutez de l'eau au besoin au mélange.
The nurse will change the dressing as needed.
L'infirmière changera le pansement au besoin.