Covonia Throat Spray Covonia Throat Spray contains chlorhexidine, an antiseptic & lidocaine which is a local pain killer. It relieves the symptoms of painful, irritated sore throats. Covonia Throat Spray is sugar free & can be used by diabetics. Contains up to 100 doses. Ingredients Active ingredients: Chlorhexidine Gluconate (0.2% w/v) & Lidocaine Hydrochloride (0.05% w/v). Other ingredients: Citric Acid (E330), Glycerol (E422), Saccharin Sodium, Menthol, Eucalyptol, Ethanol & Purified Water. Directions Adults, the elderly & children over 12 years: 3-5 sprays, 6 to 10 times per day. Under 12 years: Not recommended.