Might be a reaction to the drug or to a preservative in the eyedrops. Antihistamine eye drops may help ~ I've had good luck with Opcon-A (sold over-the-counter). Also, Zaditor is now available over-the-counter and may help too.
Chronic Lyme Disease, Gluten & Sulfite Sensitivity, Many Food/Inhalant/Medication Allergies & Intolerances, Asthma, Gut issues (dysmotility, non-specific inflammation), UCTD ("Secondary Lupus-Like Syndrome"), Osteoporosis, Anemia, Lymphopenia, intermittant Pancytopenia, chronic malabsorption/malnutrition, etc.; Currently TPN-dependent.
Meds: Zofran, Vitamin B12 Shots, Heparin (to flush PICC line).