History of heart disease. History/current liver problems, muscle weakness, myasthenia gravis; breathing problems, asthma or COPD, Prinzmetal's angina, other heart problems, CHD, poor blood circulation disease, low BP & diabetes. Conjunctivitis, swelling of the eye/eyelids, skin rash, itching in & around the eye; eye infection, injury, surgery. Operation & use of anaesth. Contains benzalkonium Cl. May impair ability to drive & use machines. Pregnancy & lactation.