Hello, You have tooth abscess and have a history of being on Lupron shots, side effects of Lupron shots can cause nausea, sweating, headache, sudden slurring of speech, increased thirst, weakness, fatigue, etc. You are suggested to inform your treating doctor about the side effects so that follow up clinical examination can be done and necessary changes in the prescription medicines can be made so that you have less discomfort. Blurry vision and symptoms of fainting can occur due to low blood pressure, low blood glucose, dehydration, etc., also. Get your vitals checked. Take warm beverage and stay well hydrated to supplement your sodium-potassium balance. Stay well fed to avoid acid reflux. since you have a tooth abscess, take liquid food or semi solid food. Take antacids & PPIs to avoid acid reflux as it may trigger vomiting. Get clinically examined by a dentist for your tooth abscess, you will need antibiotics or minor surgery to drain the tooth abscess of required. Maintain your oral hygiene. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Nupur K., General & Family Physician