I didn't think I would have this problem, we gained 200g in a month, w…

I didn't think I would have this problem, we gained 200g in a month, we're on SV but I decided that month to give less formula and more breastfeeding and the result is such... and the baby is very restless and they said he's lazy and doesn't want to turn over on his side ... (we registered with an orthopedist and neurologist, what can I do myself?)