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Nitrogen Narcosis vs The Bends

Both nitrogen narcosis and decompression sickness are brought about by nitrogen, so what is the distinction? 

Air is composed of nitrogen. There’s likewise a solid portion of oxygen, and roughly 1% is different gasses.  

This gas blend works incredible for people when they are ashore, and the environmental weight isn’t excessively high or low.  

Be that as it may, when scuba diving, particularly deep diving, customary environmental air doesn’t work well.  

As you dive further and more profoundly, the encompassing weight around you begin to increment significantly.

What’s more, as you inhale from the scuba hardware, your lungs naturally level and become more pressurized to coordinate its environment.  

Be that as it may, the expanded weight in your lungs can drive nitrogen to disintegrate into your circulation system. 

This is the reason divers need to surface so gradually. The nitrogen needs to leave the body’s tissues and circulation system in a moderate controlled way.  

On the off chance that a jumper attempts to surface too rapidly, the broke up nitrogen leaves arrangement inside the body as air pockets.  

This nitrogen narcosis can cause numerous side effects, most ordinarily joint agony and bothersome rash skin.  

Nitrogen narcosis and decompression sickness have different indications and must be treated in totally different manners. 

Read on and learn more about Nitrogen Narcosis vs The Bends. 

Nitrogen Narcosis vs The Bends

Nitrogen Narcosis vs The Bends – Definitions: 

What Is Nitrogen Narcosis? 

For the most part, Nitrogen narcosis happens discernibly to divers at profundities underneath 30 meters (98 feet) or more profound.  

Scuba plunging includes breathing compacted air at pressure submerged. This weight is about by the thickness of water, where the weight expands the deeper the dive. 

 The deeper the diver goes, the more pressure of nitrogen and the more grounded the diver’s narcosis will be. 

A few divers have contrasted the sentiment of nitrogen narcosis with being charmingly smashed, while others think it is not comforting. Nitrogen narcosis is one of the variables that will restrict how you can deeply dive. 

What Is Bend or Decompression Sickness? 

Bends or Decompression sickness is a physical condition that comes from the development of nitrogen rises in diver’s tissues and blood.  

Despite the fact that they are commonly very minor, these nitrogen air bubbles can block the bloodstream to different pieces of the body and may irreversibly harm tissues. 

Nitrogen Narcosis vs The Bends – Differences  

Nitrogen narcosis shouldn’t be mistaken for the Bends or Decompression sickness. Both can happen to scuba diving. Although similar gas nitrogen is included, the cause for each is contrast.  

The shared factor of nitrogen narcosis and the blend is nitrogen. Hence, what causes nitrogen narcosis vs the blend is very different. Nitrogen narcosis is brought about by breathing air at a weight where the gas anesthetically affects a diver’s mind. While the bend is brought about by nitrogen leaving arrangement and shaping air pockets on a diver’s climb. 

After learning the differences between nitrogen narcosis and the bends, you might want to know about freediving wetsuit and scuba wetsuit differences.

Nitrogen Narcosis vs The Bends – Causes 

Nitrogen narcosis is brought about by breathing such a high nitrogen grouping that the gas capacities are a gentle sedative. The nitrogen-causing nitrogen narcosis stays broke down in a diver’s blood and tissues and doesn’t shape bubbles.  

Bend or the Decompression sickness is brought about by nitrogen that comes out of solution (do not dissolve in the body) and framing bubbles.

Where do the air bubbles come from?

During each diver, a diver’s body assimilates nitrogen from his breathing gas. As it climbs, the nitrogen extends, as indicated by Boyle’s Law. Typically, the nitrogen goes in the diver’s circulation system until it arrives at his lungs, where it is breathed out. Be that as it may, if a diver remains submerged excessively long (past his no-decompression limit) or rises too rapidly, his body can’t take out the nitrogen adequately, and the overabundance of nitrogen caught in his body structures bubbles. 

Nitrogen narcosis vs the bends- Similarities 

For both of the narks and the bends, the manifestations are coming from nitrogen gas.  

Both are influenced by profundity and weight—the more prominent the profundity and weight, the more noteworthy the danger of both.  

Both are influenced by the way that air contains 79% nitrogen.  

The more profound the plunge, the more probable it is for a diver to get narked (or get nitrogen narcosis)—likewise, the more profound the plunge, the more possibilities of getting the twists on the rising. 

Both decompression affliction and nitrogen narcosis can be lethal! 

Nitrogen narcosis vs the Bends- Symptoms 

Nitrogen narcosis is most often depicted as a condition of inebriation, like intoxication. Fluffy reasoning, garbled thinking, disarray, and debilitate manual fitness are on the whole indications of narcosis. Divers experience nitrogen narcosis while submerged during profound plunges. 

Like nitrogen narcosis, the side effects of bend or decompression sickness may incorporate disarray and disabled reasoning, yet in addition may incorporate agony, loss of feeling in a confined territory of the body, shivering, visual aggravations, vertigo, and loss of motion (among numerous different indications). An air bubble may even square the bloodstream to the point that body tissues and organs are for all time harm.  

Divers normally experience decompression ailment a couple of hours to one day after a plunge or during rising from an extremely profound or long plunge. In contrast to nitrogen narcosis, the indications of decompression infection are not observable during the divers’ deeper part. 

Nitrogen narcosis vs the Bends- Prevention 

Nitrogen narcosis can be identified with the diver’s profundity. To treat nitrogen narcosis, a diver ought to rise at a sheltered climb rate until the manifestations lessen. For whatever length of time he feels ordinary, the diver can keep plunging, yet ought not to come back to the profundity at which he encountered narcosis.  

Decompression infection is come about by nitrogen bubbles. To treat decompression ailment, a diver must take out the nitrogen rises by experiencing re-pressure treatment in a hyperbaric chamber. The more drawn out the air bubbles stay in a diver’s body, the more harm they will cause. Decompression sickness is perilous and time hazardous.  

Nitrogen narcosis – Most Common Symptoms: 

Most divers depict nitrogen narcosis as feeling like they’re awkwardly tanked or shock. Individuals with nitrogen narcosis frequently give the idea that approaches to others as well. 

Normal side effects of nitrogen narcosis include:  

  • Misguided thinking.  
  • Transient memory misfortune. 
  • Inconvenience concentrating. 
  • A feeling of rapture. 
  • Confusion  
  • Decreased nerve and muscle work  
  • Hyper focusing on a particular zone 
  • Pipedreams or hallucinations. 

Progressively serious cases can likewise make somebody go into a state of insensibility or even pass on.  

In the general beginning, nitrogen narcosis indications will once a diver arrives at a profundity of around 100 feet. They don’t deteriorate except if that diver swims further. Side effects begin to turn out to be increasingly genuine at a profundity of around 300 feet.  

When a diver comes back to the water’s surface, the manifestations, for the most part, leave inside a couple of moments. Notwithstanding, a portion of the side effects, similar to confusion and misguided thinking, cause jumpers to swim further. This can prompt progressively genuine side effects. 

Are some people more prone to nitrogen narcosis? 

Nitrogen narcosis can affect any deep-sea diver, and most experience some of its symptoms at some point. 

However, you have a higher risk of developing nitrogen narcosis if you: 

  • Drink alcohol before diving. 
  • Have anxiety 
  • Are fatigued 
  • Develop hypothermia before or during your dive 

If you have any plan on going diving, make sure that you’re relaxed and your body is in good condition and proper attire before attempting to go on diving. Also, before you go diving, avoid drinking any alcohol. 

How is nitrogen narcosis diagnosed? 

Nitrogen narcosis often happens in the middle of a deep-sea dive, so a doctor rarely diagnoses it. Instead, you or your diving partner will likely notice the symptoms first. Make sure that those around you during your dive are aware of the condition and how to recognize its symptoms in both themselves and others. 

Once you reach a boat or land, seek emergency treatment if your symptoms aren’t going away after a few minutes. 

The Bends- Most Common Symptoms: 

Torment in and around significant joints with the shoulder and elbows being the most ordinarily influenced in jumpers, yet any joint can be included because of nitrogen being discharged into the joints and muscles.  


Outrageous tiredness that is out of the extent of the movement just performed.  


  • Rashes that are red or marbled may happen. They can be extremely irritated too.  
  • It is uncommon to have skin discoveries with DCS.  
  • Tingling (otherwise called “the drags”).  
  • Seen all the more ordinarily during decompression in hyperbaric chamber laborers (see media photographs).  
  • Itchy response on the skin that is presented to weights of the plunge (for example, not concealed by a wet suit) 
  • This is because gas from the chamber dissolving into the skin and shaping air bubbles under the skin.  
  • The spoilsport doesn’t happen in divers.  

The Chokes (aspiratory or lung decompression sickness)  

  • Uncommon, but on the off chance that it happens can be intense.  
  • A consuming torment in the chest that is generally more awful with taking in (motivation).  
  • Different indications incorporate hack, trouble breathing, and cyanosis (blue lips and skin).  
  • Divers with the gags can advance to stun quickly.  

Neurologic Decompression Sickness (these indications might be the main DCS signs)  

  •  The most widely affected part in divers is the spinal string.  
  • Indications traditionally incorporate low back agony, “largeness” of the legs, loss of motion, the deadness of the legs, and even loss of control of the sphincter (or valve) that controls pee stool, bringing about incontinence.  
  • Different indications may incorporate weariness, feeble or numb furthest points, chest or stomach torments.  
  • DCS, including the cerebrum, can give dazedness, disarray, diminished mindfulness, loss of awareness, misfortune or restricted vision, and even trouble with balance and additionally strolling.  

Lymph hubs (organs)  

The lymph organs can be swallow and excruciating.  


Agony can happen at the head, neck, or middle. Torment at these destinations versus the arms or legs conveys a more terrible visualization.  


Every so often, somebody with decompression ailment may have side effects proposing an inward ear issue, for example, a burning sensation, deafness, ringing in the ears, or spewing. This group of symptoms is known as the “falters.”

How deep can you dive without the bends? (No Bends Stop Limits) 

The main reason behind why air bubbles structure is that the encompassing water’s weight diminishes as you go up. On the off chance that the weight falls too rapidly (for example, you do a quick swim), the broken down nitrogen is discharged too rapidly and shapes possibly destructive air bubbles.  


Nitrogen narcosis and the Bends are frequently founded in light of the fact that they are both brought about by nitrogen gas. Nonetheless, when each condition’s points of interest are comprehended, it is anything but difficult to see that the two conditions are altogether different! 

Hopefully, you like this article about Nitrogen Narcosis vs The Bends. 

I’d love to get a notification from you. Enlighten us concerning your experiences of snorkeling and diving in the comment section below, and if it’s not too much trouble, additionally share your photographs. Either from your submerged cameras or recordings from your waterproof GoPro’s! 

There are some more articles about scuba diving that you can peruse and find out more about these exciting and incredible sports. Read here.

Enjoy and Keep Safe!