Altitude sickness

Altitude sickness, also known as acute mountain sickness (AMS), is a negative health effect of high altitude, caused by acute exposure to low amounts of oxygen at high altitude. It presents as a collection of nonspecific symptoms, acquired at high altitude or in low air pressure, resembling a case of ``flu, carbon monoxide poisoning, or a hangover''.

Question: is there such a thing as low altitude sickness
Answer: yes