However, as someone with depression, I am concerned about the potential impact on my mental health and the possibility of exacerbating my symptoms of depression.

You could also say:

''.. I am concerned about the possibility of exacerbating my mental health issues''

As the symptoms of depression would fall under the umbrella of mental health.

Other users may note that exacerbate is a uncommon word, but I think this is a great word to use - especially relating to mental health.

However, as someone with depression, I am concerned about the potential impact on my mental health and the possibility of exacerbating my symptoms of depression.

Very good. However because you mentioned depression already it’s understood that the symptoms you mention are those of depression.

However, as someone with depression, I am concerned about the potential impact on my mental health and the possibility of immigrating exacerbating my symptoms of depression symptoms.

However, as someone with depression, I am concerned about the potential impact on my mental health and the possibility ofthat it might exacerbatinge my symptoms of depression.

What you wrote is perfectly fine, but I think my version would be more natural sounding. "Possibility of exacerbating" feels more technical/professional, which didn't seem to be the tone you were going for.