Yes. There are certain medical conditions that may prevent your participation in a Beginner’s Scuba Diving or a Snuba excursion. You must complete the medical history form and the liability waiver/release form that will be provided either onboard, or by the tour operator at the beginning of the excursion.

There are several medical conditions that may prevent you from safely participating in a Beginner’s Scuba Diving excursion. Having any of the following conditions would require that you are examined by a qualified physician and obtain written permission from that physician to participate in the excursion:

Heart disease or previous heart attack, diabetes, epilepsy or seizures, high blood pressure or taking medicine to control blood pressure, presently taking prescription medicines (with the exception of birth control), pregnancy, asthma or any form of lung disease, recent surgery, blackouts, sinus problems, fear of closed spaces, recurring migraine headaches, recurrent ear problems, and severe motion sickness. 

Keep in mind that this is not a comprehensive list. For more information you should consult your physician.