Timothy C. Hain, MD Page last modified: April 9, 2014
A one-page version of the hydrops diet is found here
Normal membranous labyrinth
Dilated membranous labyrinth in Meniere's disease (Hydrops)
Hydrops means that the pressure in the inner ear is elevated. All persons with Meniere's disease have hydrops. There are also persons who have hydrops (usually documented with the ECochG test), who do not meet the diagnostic criteria for Meniere's disease. These people are simply diagnosed as having "hydrops"
The fluid-filled hearing and balance structures of the inner ear normally function independent of the body's overall fluid/blood system. In a normal inner ear, the fluid is maintained at a constant volume and contains specific concentrations of sodium, potassium, chloride and other electrolytes. This fluid bathes the sensory cells of the inner ear and allows them to function normally.
With injury or degeneration of the inner ear structures, independent control is lost, and the volume and concentration of the inner ear fluid fluctuates with changes in the body's fluid/blood. This fluctuation causes the symptoms of hydrops--pressure or fullness in the ears, tinnitus (ringing in the ears), hearing loss, dizziness and imbalance.
Note that it is not the overall level of sodium that is important, but whether or not it fluctuates. It is not necessary or wise to lower your salt intake to amounts barely able to sustain life. We do not encourage use of 1 gram sodium diets. Rather the goal is to keep sodium levels from fluctuation, and also on the low side of normal. A 2 gram sodium diet is usually possible. Note, we are not suggesting a 2 gram "salt" diet -- but rather a 2 gram "sodium" diet. Salt has both sodium and chloride. We are only trying to control the sodium part.
An early version of the hydrops diet was proposed by Furstenberg (1934). He suggested that protein and calories need not be restricted, but that salt should be "low". Dr. Furstenberg provided an elaborate list of foods to be taken daily or avoided. He did not restrict caffeine at all, and did not mention sugar, alcohol, or nicotine. Dr. Furstenberg advocated use of "acid producing salts" such as Ammonium chloride. Thus it can be seen that the Furstenberg diet is not synonymous with the "hydrops" diet, and in fact, does not even set the amount of sodium.
How does what I eat affect my dizziness?
Your inner ear fluid is influenced by certain substances in your blood and other body fluids. For instance, when you eat foods that are high in salt or sugar, your blood level concentration of salt or sugar increases, and this, in turn, will affect the concentration of substances in your inner ear.
People with certain balance disorders must control the amount of salt and sugar that is added to food. You must also become aware of the hidden salts and sugars that foods contain. Limiting or eliminating your use of caffeine and alcohol will also help to reduce symptoms of dizziness and ringing in the ears.
The goal of treatment is to provide stable body fluid/blood levels so that secondary fluctuations in the inner ear fluid can be avoided.
Where can I get additional help in modifying my diet?
Dietitians can help you work out a nutritional program which meets your special needs. They can also suggest ways to prepare your favorite foods for a restricted-salt or low-sugar diet. With their assistance, you'll find that modifying your eating habits can help you control the symptoms of your balance disorder.
Most grocery stores carry pamphlets that list the amounts of sodium in common foods.
Written By: Timothy C. Hain, MD of Chicago Dizziness and Hearing.
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