Most liquid medications, including Tylenol cough syrup and NyQuil, are generally labeled for storage at room temperature. While it's not uncommon to put certain medicines in the fridge for personal preference (some people prefer the taste when chilled), it's essential to follow the manufacturer's instructions for proper storage.
If the packaging indicates that the medication should be stored at room temperature, it is generally safe to take them out of the fridge. However, you should store them in a cool, dry place away from direct sunlight and extreme temperatures, such as in a medicine cabinet or a drawer.
Exposing medications to extreme temperatures, such as freezing in the fridge or leaving them in a hot car, can potentially affect their stability and efficacy. It's crucial to avoid temperature fluctuations to ensure the medicine remains effective and safe for use.
To be absolutely sure, always check the storage instructions on the medication's packaging or consult with a pharmacist or healthcare professional. If you're unsure about the medicine's stability or any changes in appearance, odor, or taste, it's best to dispose of it properly and obtain a new supply.