What helps get rid of acid reflux fast/easily?

since Monday (last week), I've had acid reflux nonstop. it's absolutely annoying and painful because it burns like you wouldn't believe every time it comes up and hits my esophagus. any ideas on what can get rid of it? I'm literally desperate because I've tried so many things like gargling with salt water, drinking warm water with lemon or water with a bit of soda, and so on and none of these things are working x (
What helps get rid of acid reflux fast/easily?
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