 [ Symptoms ] can conjunctivitis in your eye happen from a common cold  have had a common cold that started 6 days ago woke up this morning with my eye stuck shut from discharge is this caused by my cold or do i need to see a doctor for medication from what i have read it sounds like this might be something that will clear up on it is own since i am pretty sure it is related to my cold [ Disease ] i would need to know more information to answer this question for you how long was the medication in the car was it overnight and approximately what temperature was it is it humid in the area did the medication change color all of these questions can help to determine whether the medication is still safe to administer to your child most importantly check with your prescription health insurance to see if they cover a new prescription for damaged medications if they do and the medication is affordable have your pharmacist call the health care professional for a new prescription