Does it mean I’m not really depressed?

I started lexapro almost 5 weeks ago, one week on 5 mg, 4 weeks on 10 mg. I don’t think it’s working. The symptoms that I attributed to depression and anxiety are still there. I had several really good days, but for the past week I’ve been back to where I started. Can it mean that I’m not truly depressed but have some other condition or simply have a negative personality? For over a year I’ve been struggling with health anxiety, overall depressive mood, loss of interest, sadness, feeling stressed and tense, as well as some physical symptoms, such as body weakness and aches, brain fog, and heart palpitations.