Betadine Sore Throat Spray: The PVP-iodine complex is effective at pH values of between 2 and 7. It has to be expected that the complex will react with protein and other unsaturated organic compounds, leading to impairment of its effectiveness.
The concomitant use of products containing enzymatic component, hydrogen peroxide, silver and taurolidine lead to a weakening effect of both substances.
Simultaneous use with mercury products may lead to the formation of a substance, which can damage the skin.
Using this treatment may interfere with tests or thyroid function and can make a planned treatment of the thyroid with iodine impossible. After the end of the treatment, an interval of at least 1-2 weeks should be allowed before a new scintigram is carried out.
Contamination with povidone-iodine of several types of tests for the detection of occult blood in faeces or blood in urine may produce false-positive results.
Incompatibilities: The activity of povidone-iodine is reduced in the presence of alkali, hydrogen peroxide, taurolidine, tannic acid, acetylsalicylic acid, all silver, bismuth and mercury salts.