Should i get it checked out? Dropped hammer on foot

Sophie

So i was trying to hang my mirror up and while hammering the nails i for some reason thought the bed was next to me so i threw the hammer down but instead it landed on my foot. It killed. Its tender to touch and i feel some bruising but i can walk on it although its with a limp.. its a bit swollen which is probably normal. Do i need to get it checked or just treat at home?

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