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MEDICAL FAQs |
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Dive Medical questions & answers for common scuba diving conditions and illness provided in conjunction with the doctors at the London Diving Chamber and Midlands Diving Chamber. | |
All Categories » Diseases / Viruses » Autoimmune
QUESTION Can you please tell me if HIV prevents you from scuba diving? I've been positive for about six years, but have been in good overall health (reasonable T-cell count) and have never had to take any medication for my condition. I am considering taking lessons, so I would appreciate your advice.ANSWER Having HIV/AIDS shouldn’t, in this day and age, prevent you from doing anything, and is certainly not a bar to diving. There are some special considerations though. Firstly, even in otherwise unaffected individuals, there are often subtle changes in a variety of brain functions, for example behavioural and motor skills, eye movement, coordination and spatial orientation. These may be exacerbated in the underwater environment and could potentially threaten safety. Secondly, no doubt many divers will relate to the bloodstained snot/spittle that emerges from masks on surfacing, and this is a potential (although unproven) route of transmission of the virus. Thirdly, some of the drugs that are used to treat HIV have side effects that may mimic symptoms of DCI – typically tinglings in the extremities, aches in muscles and joint pains – which may cause diagnostic confusion if a bend is suspected. Indeed these symptoms can occur as part of AIDS itself. And finally there is also the question of an increased susceptibility to infections. Venomous marine critters are no respectors of a compromised immune system and may cause longlasting and severe illnesses.
QUESTION Hi, I have recently been diagnosed as HIV positive, following pneumonia a year ago. I am now fully recovered from that but need to know what the implications are for recreational scuba diving. Should I stop diving? If I can carry on, what precautions do I need to take? Do I need a medical? Will I get insurance still?ANSWER Having HIV/AIDS shouldn’t, in this day and age, prevent you from doing anything, and is certainly not a bar to diving. There are some special considerations though. Firstly, even in otherwise unaffected individuals, there are often subtle changes in a variety of brain functions, for example behavioural and motor skills, eye movement, coordination and spatial orientation. These may be more noticeable in the underwater environment and could potentially threaten safety. Secondly, no doubt many divers will recognise the bloodstained snot/spittle that emerges from masks on surfacing, and this is a potential (although unproven) route of transmission of the virus. However, it doesn’t survive for more than a few minutes outside the body, so buddy breathing techniques and use of rental regulators (which are regularly disinfected) pose no real risk. Thirdly, some of the drugs that are used to treat HIV have side effects that may mimic symptoms of DCI – typically tinglings in the extremities, aches in muscles and joint pains – which may cause diagnostic confusion if a bend is suspected. Indeed these symptoms can occur as part of AIDS itself. And finally there is also the question of an increased susceptibility to infections. Venomous marine critters are no respectors of a compromised immune system and may cause long-lasting and severe illnesses. |