Sweating

• A horse that is excessively sweating may be experiencing colic.
  
  

Movement

• A horse that is moving around erratically, prancing and pawing may be experiencing colic.
  
  

Kicking/Biting

• A horse that is kicking at his own belly or biting the area or his flanks may be experiencing colic.
  
  

Down

• A horse that is rolling on the ground or lying down may be experiencing colic.
  
  

Straining

• A horse that is standing with all four legs stretched out or straining may be experiencing colic.
  
  

Tail

• A horse that is anxiously and wildly swishing his tail may be experiencing colic.