Cyclosporine Eye Drops For Dogs Side Effects. Overdose or misuse may give rise to some severe complications such as facial swelling and difficulty in breathing. Myelosuppression and neutropenia are possible adverse effects common to most other immunosuppressive agents, but these have not been reported with cyclosporine use.
Since your dog is 12 years old, please have annual bloodwork done on him to assess liver and kidney functions.bloodwork. Redness, swelling, or itching of the eyelid. However, as with any drug, cyclosporine is not without its possible side effects.