Stabbing, ripping type pains continuing 6 days post BA (Photo)

I had a BA 6 days ago, 560cc Sub glandular.The pain I experienced post op was horrendous. Every time I moved it felt like someone was hacking at my left breast with a hot knife.Sometimes constant, sometimes just when I moved. Recently I've found if I push the area with my thumb the pain is relieved somewhat. However I'm really concerned that I have to fly home in 2 days, 3 hour flight, and dreading this pain coming back. Is there anything I should do or take before the flight? Thank you

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