Cats in heat are in their estrus cycle. When a cat is in heat, as a cat owner, you can use some simple methods to help your cat.
Cats typically experience their first heat cycle around eight months of age. If they are not properly bred during their heat cycle, they may exhibit some abnormal behaviors, a condition known as "heating cats."

Cats typically experience their first heat cycle around eight months of age. If they are not properly bred during their heat cycle, they may become very irritable, a condition commonly known as "heatiness."