Brown discharge instead of period?

Hilda

So this is going to be the 6th month without my period and I think I might be starting it finally, but instead of spotting blood I’m spotting like a brown thick discharge, is this normal? Or should I be a bit more concerned? I’ve been dieting so my husband and I could actually conceive since I think the reason for the missing period was my weight gain, and now that I’ve been dieting again (I also got prescribed phentermine by my doctor) I don’t see any changes with my body yet but it seems like period is starting again? I feel like this is a good sign but I’m also a little nervous about the brown discharge and want to double check to see if it’s normal or if I should be concerned.. any info helps!