Side Effects of Chlorine in Swimming Pools

Chlorine is used to cleanse and sanitize the swimming pool water, but at the same time it can lead to mild or severe side effects. Of course, these are prevalent only when the chlorine levels are very high.

Otherwise, you should be more than ok with some small levels of chlorine being added to your swimming pool water.

The most common known side effects of chlorine in swimming pool are skin irritations, breathing problems, watery eyes, wheezing, coughing, dizziness, nausea and vomiting. This is mainly in the event of high chlorine concentration in the pool.

Skin irritations

One of the first things that you encounter when there’s too much chlorine in your swimming pool is definitely a skin irritation. Your skin turns red, you feel the need to scratch and that can lead to some skin problems. If you encounter any issues like this, the best thing you can do is to talk with your dermatologist. He will be able to figure out what solution is ideal in your case.

Breathing problems

If the swimming pool is freshly chlorinated, then you might encounter situations where you are unable to breathe properly. You want to stay away from those issues as much as possible. That means you want to avoid hopping onto the pool after you just added chlorine, as it can be a major issues.

Watery eyes

While this won’t lead to any health issues, it can bring discomfort while you are in your swimming pool. The problem here is that whenever you are swimming, you want to see everything properly, so dealing with watery eyes is going to be an issue.

Wheezing and coughing

These are normal issues, but they do appear from time to time and they will induce some discomfort. You won’t find as much pleasure from dipping into your swimming pool if you’re constantly coughing and wheezing due to the high chlorine levels.


Yes, large amounts of chlorine can also make you dizzy. This might not seem that much of a problem at first, but the more chlorine exposure you have, the worse it gets. So you might even encounter dizziness in some cases, which is definitely one of those things you want to avoid.

Nausea and vomiting

The human body doesn’t bode well when it comes to high levels of chlorine. So you will end up with situations when you have constant nausea or even have to vomit right away. It’s not as common as the other side effects, but it’s still something you will deal with at times.


As you can see, chlorine exposure can be problematic for your body. It can harm pets and nature too. The best thing that you can do is to stay away from the swimming pool when you use any chlorine treatments. On top of that, if you see any side effects, step away and breathe some fresh air.

Quick fix: Test the pool for chlorine imbalance and regulate the chemicals with the help of this guide.

You always want to talk with a doctor whenever you experience any side effects, so you can avoid any long term issues. Even if something might not seem like a problem at first, you do want to take your time and understand how chlorine will affect you in the long run.