DAN Medical Frequently Asked Questions

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Multiple Sclerosis (MS)

I love to dive, but recently was diagnosed with Multiple Sclerosis. Can I continue?

This immunologic disease occurring in young and middle-aged people is characterized by episodes of neurologic dysfunction, often separated by remission. The extent of disability is quite variable. Treatment has improved in recent years.

Fitness & Diving


  1. There is no evidence that diving in itself has an effect on the disease. About 20 years ago an unsuccessful effort was made to treat MS with hyperbaric oxygen. Patients neither suffered nor benefited from this treatment series.

  2. Persons with MS are advised not to exercise to the point of exhaustion and to avoid becoming chilled or overheated. Diving candidates with MS should respect that advice.

  3. In each individual case, consider whether the candidate can handle the physical load and master the water skills. Diving candidates should talk to their neurologist about diving.

For more information on conditions involving the central nervous system, see all of Dr. Hugh Greer's article from the May/June 1999 issue of Alert Diver.