Right after I gave birth about 5 months ago I was diagnosed with PPD based on my symptoms: sadness, excessive worries, intrussive thoughts, irritability, muscle tension etc. I was put on zoloft and did well most of the time. I also did therapy and read some self-help books and this helped really well too. However, every now and then I still feel sad and have intrussive thoughts and excessive worries and although I use the techniques that I learned in my therapy sessions, I still find hard to get rid of these symptoms. I am still on Zoloft so I do not know if I should have my dose increased or just deal with the relapse. The symptoms are not that bad as at the beginning but they're still bothersome. Any info and advice on this are highly appreciated.