Answer
Yes, olopatadine hydrochloride is absorbed into the bloodstream after use as eye drops, but absorption is minimal, with plasma concentrations ranging from below 0.5 ng/ml to 1.3 ng/ml.
Sources for this answer
- OPATANOL 1mg/ml eye drops solutionNovartis Pharmaceuticals UK Ltd · emc · SmPC §5.2 Pharmacokinetic properties · Version 12Document updated
Sources checked