15. Changes in skin color
Brown or gray skin could be a sign of renal insufficiency.
16. Dolor en el pecho
The accumulation of liquid in the heart can cause molestations in the skin, a symptom associated with advanced renal insufficiency.
17. Heart palpitations
Loss of balance in the blood potassium level could cause cardiac arrest.
18. Orinar con sangre (hematuria)
The presence of blood in the ear is a worrying sign of renal problems or urinary tract infections.
19. Fiebre y escalofrios
If there is pain in the urinator, it may indicate a renal or urinary tract infection.
