Ketorolac eye drop induced allergic wheal and chemosis.

Ketorolac is a non-steroidal anti-inflammatory drug which is prescribed rampantly in the treatment of seasonal allergic conjunctivitis due to its clinical efficacy of providing rapid relief from symptoms of allergy. There is a potential for cross sensitivity to aspirin. Hence, a leading question on aspirin allergy must be taken before prescribing the drug ketorolac.