Products
Diver’s drops are usually made for customers in a pharmacy.
Ingredients
Various mixtures with propylene glycol, glycerol, ethanol and glacial acetic acid are commonly used. The use of boric acid and hydrogen peroxide is controversial. Two manufacturing instructions are shown below: Ethanol-glycerol ear drops:
Acetic acid ear drops NRF:
- Acetic acid 30% 0.24 g
- Propylene glycol ad 10.0 g
Ehm’s diving drops:
- See under Ehm’s diving drops
Effects
Dip drops have a disinfectant effect or create an acidic environment that inhibits the growth of bacteria. They may additionally contain skin conditioning ingredients. Diving, seawater and sand dry out the ear canal, irritating it and making it susceptible to infection.
Indications for use
To prevent inflammation of the external auditory canal (otitis externa) when swimming or diving. Diving drops are sometimes also used for treatment.
Dosage
After diving, rinse the ears with lukewarm water. Then place two to four drops in each ear and leave for one to two minutes. The general instructions for administering ear drops should be followed (see there).
Contraindications
Ear drops should not be used in cases of hypersensitivity and tympanic membrane perforation. A complete list of precautions is not available.
Interactions
Drug-drug interactions are not known. Concomitant use of other ear drops is not indicated.
Adverse effects
Possible adverse effects include local skin irritation and hypersensitivity reactions.
