my friends throat has a large swollen knot beneath her ear, the doctor said it could be from stones and she told her to suck on lemon drops to have the stone reverse itself, but the doctor didn't really explain what stones were or what they were caused from. So what are stones?
It's not clear by your post where exactly these stones are located. I assume you're talking about stones within the salivary glands since she was told to take lemon drops. Drinking a lot of water will also help. She should see and Otolaryngologist (ENT surgeon) if it doesn't go away.
OtoHNS_MD is right, sounds like your doc was diagnosis salivary gland stones, which can be pushed out by increasing saliva flow, by sucking on sour stuff like lemon. Drink lots of water! An ENT can consider cutting out the stone, but that's rarely needed...
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