Hello sir,
How long u are constipating ?
Do you see any blood in faeces?
Color of faeces can change with food you eat..are you currently using any iron supplement?
Next Steps
long term constipation can end up in piles ( hemmoroids) or fissure . you need to take fibre rich diet and hydrating fluids .
Health Tips
kindly consult for detailed discussion so I can give you a better opinion.