Tips and precautions for using artificial tears. The use of artificial tears has the following precautions:

• If you have a history of allergic reactions from using artificial tears Avoid use or consult a doctor before use.
• Artificial tears are only used to relieve dry eye symptoms. The cause of dry eye symptoms cannot be treated.
• Avoid using artificial tears to treat or prevent eye infections. people with eye infections Consult your doctor or pharmacist for safe use.
• If any abnormalities occur after using artificial tears, such as irritation. Immediately stop using and consult an ophthalmologist. including those with severe or chronic dry eyes Should consult an ophthalmologist to diagnose the underlying cause.
• For those who wear contact lenses In general, contact lenses should be removed first. So gradually instill artificial tears. Leave it for 10-15 minutes and then put the contact lenses back on. Because the use of artificial tears with preservatives can cause the contact lens to change color. 
• If there is a need, it is necessary to combine artificial tears with other eye drops. They should be spaced about 10 minutes apart.
• Care should be taken that the tip of the artificial tear duct does not come into contact with the eyes, face or any part of the body. Because it may contaminate bacteria and cause subsequent infections.
• All kinds of artificial tears Once expired, the remainder should be discarded immediately and must not be used.
• Artificial tears should be stored at room temperature, about 15-30 degrees Celsius and do not freeze.
• for those who are pregnant Consult your doctor or pharmacist for safe use. However, the use of artificial tears has not been shown to harm an unborn baby. or lactating women.