Do you have an emergency kit of some type you take with you when you travel? If not, you should think about putting one together.
Items should include:
all the medications you take on a daily basis…vitamins, prescriptions, etc.
aspirin or ibuprofen
bandages and gauze
antibacterial ointment
alcohol pads
antibacterial hand sanitizer
a copy of any prescription meds you take
sunscreen
lip screen
antihistamine
Other things to consider:
spare contact lenses
spare glasses
tweezers
cold medicine
tape
eye drops