Sinus pain diving9/16/2023 ![]() ![]() What To Do In The Event Of A Nosebleed While Freediving However, repetitive exposure to sinus squeeze over the course of several consecutive freedives could leave the sinus tissues inflamed, which can result in lasting pain. As a result, any sinus pain that you experience during a freedive should be short-lived and the pain should subside once you reach the surface of the water. Generally speaking, your freedives will be relatively short in comparison to those of a scuba diver. Sinus squeeze can have a lasting effect on freedivers even after they exit the water. ![]() Simply exhale short bursts of air into the mask in order to counteract the pressure being exerted against for face.įor more information on equalizing while freediving, be sure to check out our link HERE : If you determine that your facemask is the source of the pressure that is being exerted on your face, you can use a similar technique to equalize the pressure within the mask itself. As the amount of air within your sinuses increases, it will push back against the environmental pressure being exerted on you and ultimately “equalize” your sinuses. This can be accomplished by simply exhaling small bursts of air through your nose. In order to equalize the pressure bearing down on your face and your sinus cavities, you will have to counteract it with additional air within the cavities. This act of counteracting that pressure is known as “equalizing.” Essentially, divers accomplish this by increasing the amount of air within a particular cavity (ie your sinuses or your diving mask) in order to push back against the pressure that is being exerted by the diver’s environment. The big thing to remember when preventing sinus squeeze if to counteract the increasing pressure as you dive. The symptoms and the possibility of damage can get progressively worse as the pressure persists. Sinus pain while diving should not be ignored. If you are experiencing sinus pain while freediving, this should be a red flag (no pun intended) that there is something wrong. Generally speaking, pain is bad and blood is really bad. This buildup of pressure is what divers refer to as “sinus squeeze” ( 2). If the diver is unable to equalize that pressure buildup then a vacuum can develop within the sinus cavity, which results in intense pain and possibly a nose bleed. Pressure builds up in the hollow cavities of the diver’s sinuses. Divers who plan to carry pseudoephedrine pills into another country should make sure that they are legally allowed to do so before packing their bags.One such environmental factor is the intense pressure that divers feel as they descend to deeper water depths. ![]() For example, Sudafed is not available over-the-counter in Mexico. For this reason, the purchase (and even possession) of medications containing pseudoephedrine may be prohibited or strictly regulated in some countries. The active ingredient can be used by naughty chemists to make some rather nasty recreational drugs. Pseudoephedrine is illegal in some countries.This has not been proven, but given that the consequences of oxygen toxicity are convulsions and drowning, it seems wise to avoid the use of pseudoephedrine on any dive that will expose a diver to high partial pressures of oxygen, including very deep air dives, nitrox dives, and some trimix dives. Without getting too technical, pseudoephedrine is a central nervous system stimulator and might increase a diver's susceptibility to CNS oxygen toxicity. Pseudoephedrine may increase the risk of oxygen toxicity in humans it has been proven to do so in rats.Don't take this medication for the first time while gearing up before a dive, no matter how strongly your buddies praise it. Individuals who experience side effects from pseudoephedrine may experience strong side effects. ![]()
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