Moderna shot administered on 2/12/21 10 minutes after shot feeling of warmth, sweating, racing heart and feeling of uneasiness l ike something was wrong. Weird sensation i n throat area. -went to nurses and EMT at vaccination site and described feeling that something was wrong EMT checked pulse, blood pressure, oxygen l evels: heart rate was elevated and blood pressure was 150/?. EMT advised taking deep breaths and getting rechecked i n 10 minutes. Heart rate and blood pressure went down to 130/?. EMT wanted to recheck i n 15 minutes to make sure heart rate stayed down. When rechecked i t was back to 150/?. EMT advised getting checked out at urgent care and advised that I not drive myself. Went to urgent care right after l eaving the vaccination site. When nurse checked blood pressure i t was 178/? And heart rate was 135 bpm. Nurse mentioned some swelling around injection site that I should keep an eye on. Temperature was 99.7 at urgent care. 10 minutes later when when doctor rechecked i t was down to 130/? And pulse was down to normal range. Doctor advised that i t could be an allergic reaction and to make sure I had benadryl on hand i n case reaction worsened. Over night after vaccineI had chills and then a headache i n the morning upon waking. Slight temperature no higher than 100 that morning. 2/13/21 the next day at around 12:30 pm began feeling l ike I did i mmediately after the vaccine but symptoms were more i ntense. Feeling of warmth and tingling sensation throat/face. Answering service for doctor?s office advised taking benadryl and i f still not feeling symptoms resolve or i f worsening to go to ER. After taking 2 benadryl 50 mg. Symptoms were not resolving. Mentioned not feeling right to my husband and he said I had a big red welt under my chin toward throat area. Symptoms were not i mproving and felt tightness i n throat and chest area. Voice was becoming hoarse so went to ER. Nurse took vitals and asked i f I forgot to take blood pressure meds as pulse and blood pressure were both high 176/? Heart rate 140. I replied that I had never had high blood pressure before. They monitored blood pressure, pulse, oxygen l evels for several hours. As benadryl wore off redness developed across entire back area and red welt appeared on front abdomen. Blood pressure and pulse were elevated for about 2 hours going up and down until finally staying i n normal range. ER doctor prescribed high dose of prednisone for allergic reaction. Symptoms resolved and was discharged from ER. ER did EKG and CBC W/Auto differential, comprehensive metabolic blood panel, troponin, and TSH with reflex. Results were normal TSH was 3.07 uIU/mL. Wanted to check thyroid l evel as I take l evothyroxine due to hypothyroidism 100 mg daily. 2 days l ater as steroids wore off began feeling burning sensations on skin i n different areas stomach, back, face and took benadryl for 3 days until symptoms resolved. Took blood pressure at home with automatic blood pressure cuff and i t remained elevated off and on for several days 150/? Until Wednesday that week went i t stayed under 130 consistently. Also wear a watch and resting heart rate was reading up to 135 bpm at night during sleep until Tuesday of that same week. 2 weeks after vaccine feelings of swollen l ymph nodes under both armpits when raising arms or putting on clothing. Shot was given i n l eft arm. Allergy History To Medications: Ciprofloxacin- swelling and tingling i n face Sulfa- Hives Cefixime Tingly i n l ips and tongue