An adverse reaction would be an unwanted, negative or unfavorable result of an action. Most often used to describe unwanted or negative side-effects of or Allergies to medications.
it is a preventable adverse event.
A bad trip.
Stinging
sponsor
Change request
Change request
An "interruption" generally refers to a situation in which the true owner takes possession for a time before the adverse possessor's title ripened. Such an event would require the adverse possessor to start the clock all over again.
Level of severity of adverse event's effect
Level of severity of adverse event's effect
Level of probability of an adverse event occurring
Level of severity of adverse event's effect
Level of severity of adverse event's effect