follow sth up
phr. v..phr. v.. to take further action after a first step, or to find out more about something you started.
phr. v.. to pursue a matter further or take additional action after an initial encounter or investigation; often used in professional or medical contexts.
I will follow up your suggestion with a phone call tomorrow.
The doctor asked me to follow up our appointment with a blood test next week.
The investigative journalist decided to follow up the anonymous tip, eventually uncovering a significant financial scandal within the local government.
often used with 'with' to specify the next action taken.
contrast with 'follow' (to go behind); 'follow up' implies completing a process or checking on progress after an initial event.
I need to follow up it.I need to follow it up.when using a pronoun like 'it', it must go between the verb and the particle.