On the Internet, you often see some cat owners posting videos or photos of their cats in tears, accompanied by a piece of emotional copywriting, which is similar to the emotional type, meaning that the cat’s tears are driven by emotions.

In fact, everyone is overly “beautifying” the fact that cats shed tears. It is true that cats have emotions and can feel sad, but they do not express it through tears. It is usually expressed in the form of their airplane ears or through pupil dilation.

So why do cats shed tears? In fact, it may be related to disease. So when a cat sheds tears, don’t be too busy to be moved. Maybe the cat is suffering from illness.

What diseases can cause cats to cry?

　1. Glaucoma

Glaucoma is divided into two types: secondary and primary. Primary glaucoma is mostly caused by insufficient development of the anterior chamber angle, but some diseases can also be causes of glaucoma.

Symptoms after suffering from glaucoma: If it is secondary glaucoma, it will cause the cat to have epiphora, blepharospasm, etc. In severe cases, it will also cause drowsiness and loss of appetite. The most terrifying thing is that it may cause the cat to become permanently blind.

　2. Tears

If a cat has blocked tear ducts, tears will drip from the corners of the eyes. If the scavenger finds that there are always tears in the corners of the cat's eyes, he or she should consider whether the cat has epiphora.

3. Conjunctivitis

There are many reasons why cats suffer from conjunctivitis, the most common of which is upper respiratory tract infection. However, there are many cases of conjunctivitis caused by viral or bacterial infections.

How to judge whether a cat is infected with conjunctivitis? In fact, the cat can tell it by himself. The scavenger can open the cat's eyelids and observe whether the conjunctiva of the eyes is red. If there are symptoms of redness and swelling, it means you have conjunctivitis. When a cat suffers from conjunctivitis, the symptoms are usually: scratching its eyes with its claws, being afraid of light, and crying.

4. Keratitis

A healthy cat’s cornea is transparent, but when disease and inflammation occur, it will appear very cloudy.

The cause of cats suffering from keratitis is generally caused by long-term irritation of the eyes by foreign objects, such as hair entering the cat's eyes. However, lack of internal heat may also cause keratitis.

Can cats cry (can cats cry or shed tears)

When a cat is infected with keratitis, it will cause tears, pain,Scratch your eyes to clean them. It can cause corneal ulcers, edema, and conjunctival congestion. In severe cases, it can lead to corneal perforation.

5. Corneal ulcer

The corneas of healthy cats are generally flat and smooth, but when they are infected by bacteria or irritated by foreign objects, their corneas can develop ulcers.

When it is found that the cat’s cornea has become uneven and accompanied by dents in some areas, it means a corneal ulcer.

In addition to the tears caused by these diseases, improper feeding can also be the cause of tears in cats. If you feed your cat too much irritating, salty or greasy food, it will cause the cat to get angry and cause them to cry. For this reason, cat owners need to adjust the cat’s diet, feed them more light food, and let the cat drink more water.

No matter what, when the cat scavenger notices the phenomenon of tears in the cat, he must pay attention to it and do not delay the best opportunity for treatment to avoid worsening of the condition. Chemicals and strong light may damage the cat's eyes, so it is best to avoid such items in the owner's home.