The US Centers for Disease Control and Prevention (CDC) lists emergency symptoms such as difficulty breathing, persistent chest pain or pressure, sudden confusion, difficult awakenings, and face or bluish lips; immediate medical attention is recommended if these symptoms are present. Further disease progression can lead to severe pneumonia, severe acute respiratory syndrome, sepsis, septic shock, and death.
Kituo cha Udhibiti na Uzuiaji wa Magonjwa Marekani huoredhesha dalili za dharura kama kushindwa kupumua vizuri, maumivu wa kifua inayoendelea au mbano, wasiwasi ya ghafla, ugumu kutembea, uso au midomo ya rangi ya samawati; matibabu ya haraka inashauriwa ikiwa dalili hizi zipo.Kuendelea kwa ugonjwa huweza kusababisha mchochota wa pafu mbaya, ugonjwa sugu wa mapafu yaliyofungana, maambukizi ya viungo mwilini, mshtuko na kifo.