Dangers of Scuba Diving: Learn to Stay Safe

A comprehensive guide of what you will need to know about the Dangers of Scuba Diving

Looking to dive into the ultimate deep end? Ever since the technology was made, deep sea and scuba diving have risen in popularity. It is a great way to see things you have never seen before, and never would if you had not taken the plunge. It does, however, also mean you accept the risks that follow along with such an adventure. It is important that you know these risks before you dive so that you fully understand what you are getting into and how to hopefully avoid any issues.

This list is far from comprehensive as some risks are situational, but this is just a general idea of some of the known risks to safety. Scuba and diving classes provide in-depth analysis’ of all the problems that could arise, so be sure to get your certification before diving. Follow this helpful guide to learn about some of the risks involved with underwater scuba diving and deep-sea exploration:



Rationally, you have equipment included that will allow you to breathe underwater. However, for any number of reasons, this could fail. Unfortunately, drowning is the highest risk occurs in the industry. Namely because of user panic. This can manifest in a few different ways. Some people may not be mentally ready for the strain such activity creates, whereas others may feel decompression sickness.

Consult your physician before diving. It is vitally important that you have a clean bill of health before embarking on an adventure that could put you or those around you at risk. If an emergency arises, you will want to have a buddy with you to help and if needed, pull you out. Never go diving alone so that in case of an emergency, you have a fail safe. That way, if decompression sickness or driver panic does happen, you have someone there to carry you to safety. Diving with a buddy reduces the risk of drowning.

Decompression Sickness

Divers decompressing underwater

Although drowning is more statistically significant, decompression sickness is probably the most frequently talked about. Decompression sickness comes from your body’s reaction to the reduction in pressure. Here you will have to pay attention to the gauge sensors and dive tables. Ascending shouldn’t be a rapid thing; it should be a slow progression wherein you follow the details laid out for you. And even if you follow that to the T, there is no guarantee it will be smooth sailing. Several factors can affect your body’s reaction to the change in pressure. Things such as blood pressure, physical fitness, exhaustion, and extenuating medical conditions.

Nitrogen Narcosis

Nitrogen Narcosis

Although it is not considered lethal, it can be a leading cause of one of the other risks of deep diving. It is also one of the primary reasons that divers need special certification to go deeper than 60 feet. Nitrogen Narcosis can lead to lapses in judgment, almost drunken like states of giddiness, and poor motor functions. This could lead to not paying attention to the dive tables provided, which could then result in decompression sickness or drowning. It is incredibly important to stay healthy before you go diving, which means keeping up a healthy sleeping schedule, eating properly beforehand, and being upfront with any preexisting medical conditions that may be a factor.

Oxygen Toxicity

Generally not considered one of the larger risks, but only because not as many people dive far down enough to experience it. But if you are going below 130 feet, it is something you’ll need to be aware of. Just as the body takes in nitrogen and the fluctuating levels can disorient a person, oxygen has the same effect. In extreme cases, this can cause seizures and even loss of consciousness, which is a major issue if you find yourself at a low depth in the middle of the ocean.

Ways to lessen the risk

First and most importantly is to have the proper training and certification. The best way to prepare for a situation is to train for all of them so that if the moment does arise, you are in a calm, knowledgeable state of mind. All over the world, there are training courses that have extensive classes on the pathway to being a registered, certified diver.

These classes will go over all of the risks mentioned above and more as well as firsthand accounts on how to avoid trade mistakes. In the classroom, you will learn what to do and how to do it should an emergency arrive. You will also learn proper ways to descend and ascend as well as any dive preparations you should preform before every swim.

After the classroom comes to the practical portion, here, you and a licensed instructor will perform a litany of exercises that test what you’ve learned and how to apply it. Typically, you will start in a pool. You will also become familiar with any gear that is used, their applications, and how to fix them should they break at a critical moment. You will also learn how to read dive tables and any other emergency maneuvers you may need in the field.

Lastly comes the actual in-depth dive tests. These are called ‘certification dives’ and typically consist of four or five separate experiences. Here you will need to apply all that you have learned from your previous classes. You’ll need to understand how to follow your dive table as well as apply any evasive maneuvers that your instructor needs to grade. Considering this is a real scuba experience, it does include all of the risks mentioned above. However, it is meant to help understand and combat these situations in the future, so your diving instructor should be prepared for the worst-case scenario, should it happen.

Overall, scuba diving is an incredible, memorable experience. However, as such, it does include a considerable amount of risk. Be sure to follow all the guidelines posted above as well as listening to your diving instructors and certification classes. Diving is a risk, but if you train properly and understand evasive maneuvers, you will have a lesser chance of experiencing the worst-case scenario.


  • Updated 22/09/2020
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