Hello dear , hi
Welcome to Healthcaremagic.com
I have evaluated your query thoroughly .
*  The 
constipation will not give weakness , it is  the underlying hormonal
    fluctuation responsible for the same .
*  Suggestions for better  recovery
-  Drink plenty of liquids .
-  Balanced nutritious diet .
-  High fiber diet  with green veg , cereals , pulses , legumes , organic 
   fresh  fruits .
-  Multi vitamins with minerals , anti oxiants  addition to the drug basket
    will recover  faster .
-  Can  surely  take  homeo med along with 
thyronorm .
-  Avoid 
smoking , alcohol if  using .
-  Avoid 
stress , 
anxiety .
-  Have regular sound sleep of 8 hours .
Hope this will help you for sure .
Wishing you fine recovery .
Regards .