Hi.. Thanks for the query.. It looks like Pericoronitis that occurs due to infection below the gum flap and the wisdom tooth.. Due to infection there is pus formation leading to abscess formation.. The medication you are advised is appropriate, along with it you can also do warm saline gargles and antiseptic mouthwash gargles.. The other symptoms like severe chest pain and pressure feels like someone is sitting on my heart with shooting electrifying pain into neck jaw and arm all on left side feel light headed short of breath nausea can either be a side effect of medication or acid reflux or any cardiac problem.. So my suggestion is to immediately consult an Emergency room and get evaluated and a clinical examination should be done so that appropriate treatment can be done. Hope this helps.. Regards.