phil8diver
Contributor
As soon as my head goes under water I equalize immediately and continuously but lightly during my dive so that I will never have any problems. Hope this helps.
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A tip one of my instructors gave me (TSandM please wade in here if this is a myth) is on the ride out to the site to clear your ears a few times before you go in the water. Basically every few minutes give your nose a gentle blow. He felt this I dunno "loosened up" your ears and made it easier to equalize. I've tried it and it seems to help.
Afrin is a fairly long-acting medication when you use the first dose. The big issue with Afrin comes with multiple-day use. The medication works by causing vasoconstriction, or narrowing of the blood vessels. When it wears off, the tissue which has been limited in blood flow while the drug was working has been sending out all kinds of signals to get MORE blood, so the vessels dilate even more than before, making the swelling worse. The patient then tends to reuse the drug before the 12 hour period has elapsed. The effectiveness gets shorter and shorter as a result. This CAN end up with what's termed rhinitis medicamentosa, which is persistent, severe nasal congestion CAUSED by the medication, and it can take steroids to get somebody off the Afrin.
In my opinion, if you require Afrin and Sudafed routinely to execute a dive, you should be evaluated by an ENT doc.