As shock progresses, more severe symptoms may develop, indicating a critical need for immediate medical intervention: - Hypotension: Low blood pressure, which is a late sign in children. - Mottled Skin: A marbled appearance of the skin due to poor blood flow. - Rapid Breathing: Tachypnea, or an increased rate of breathing. - Oliguria: Reduced urine output, indicating renal impairment. - Cyanosis: Bluish discoloration of the skin, especially around lips and fingertips.