Diagnosed with asthma. Currently on controller and reliever inhalers taking it correctly. After getting the flu have been struggling with asthma symp?

Oral steroid. Viral infection is likely the most frequent trigger for asthma exacerbation. Oral steroid for a few days may be required to control the attack. Consult your doctor.
That's not unusual. The added 'load' of any respiratory condition can do that - it might be a bit less w/ the help of the inhalers, but not nothing. Don't let it get really bad. If it lasts more than a few days or gets any worse, go in for a treatment and rx's. A steroid shot might even be needed, but that's for your doctor to evaluate. Try calm, slow breath exercises. Drink water - more water! avoid allergens/stress.