INTRODUCTION Topically applied ocular medications could be sufficiently absorbed to inflict untoward systemic consequences. 1-4 Timolol. a non-selective beta blocker is capable of eliciting severe asthmatic attacks in susceptible individuals. Timolol absorption is via nasal mucosa to systemic circulation. https://www.bekindtopets.com/super-pick-Rx-Quadruple-Topical-Ointment-Quadritrop-for-Dogs-Cats-30-mL-super-grab/