Burning sensation while passing urine and stools can be symptoms of renal calculi and dehydration leading to passing hard stools which may cause anal fissures or fistulas.
Next Steps
Detailed relevant clinical history and findings needed before jumping to conclusion. Book an appointment to a physician/specialist near you/here to discuss the same.
Health Tips
Increase water intake to 3-4 Litres per day
Avoid fats, oil and spice intake
To consult for further management protocol.