Good weight loss pills!!

Okay so a few years ago after I had my daughter I was very over weight! I was weighing 228lbs! I started just walking about 2 or 3 hrs a day. Drank shake replacements! Eating okay, and all that. Went down to 183lbs, which I felt great I was feeling way better with that weight. Well my daughter is now 5 and last year I became pregnant when I took off my birth because it was making me sick. Well I was pregnant for 2 months and then I ended up miscarrying!! Those 2 months I gained about 15 plus lbs!!!!! So I'm like about back to 200 plus lbs! I feel horrible like now it's very hard for me to work out or even go on walks because now I have a full time job, when before when my daughter was born I was a stay at home mom for about 2 yrs. Now I work and I have my older children that are always busy with school taking care of my 5 and 6 year old plus my husband!!! I just don't have time and motivation what so ever!!! Please does anyone have any good advice or anything that worked for you all to loose weight?!??! Now I'm so desperate I want to try weight loss pills does anyone no of any good pills!!! Please help!