How long can eye drops be stored after opening?

Eye drops are to be placed in the eyes, so they must be clean and hygienic. Eye drops also have a shelf life. How long can eye drops be kept after opening? How to store eye drops after opening?

How long can eye drops be kept after opening?

Since eye drops have different ingredients and functions, their shelf lives are also different. If they are not opened, they can be stored until their shelf life, but if they are opened, they should be used as soon as possible. Generally, after opening, if they are stored normally in a light-proof or cool environment, it is best to use them up within 4 weeks. If the temperature is too high and the storage environment is not good, it is easy to breed bacteria. The ingredients in the eye drops are easily contaminated by microorganisms and bacteria. After the eye drops are opened, the actual shelf life is shortened. In this case, it is best to use them up within 1 to 2 weeks.

How to store eye drops after opening

Be sure to choose a cool, dark place, not too high a temperature, and store it at room temperature. Under this storage condition, it is recommended to use it up within one month, and before use, you should also check whether there is any change in texture, such as color, turbidity, sediment, etc. If these changes occur, it is best not to use it. For safety reasons, it is generally recommended to use it for one or two weeks. As for special eye drops, some of them have instructions to be kept in the refrigerator, so you need to pay attention and not leave them casually. You should store them according to the instructions and use them up as soon as possible after opening. If they are not used up within a month, do not use them.