HIGH BLOOD PRESSURE; HEADACHE; This spontaneous case was reported by a consumer (subsequently medically confirmed) and describes the occurrence of HYPERTENSION (HIGH BLOOD PRESSURE) and HEADACHE (HEADACHE) in a 60-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination.     The patient's past medical history included Heart attack and Stroke. Concurrent medical conditions included Drug allergy (Patient is allergic to lot of medications and binding products.). Concomitant products included ALPRAZOLAM (XANAX) for an unknown indication.   On 10-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On an unknown date, the patient received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 10-Feb-2021, the patient experienced HYPERTENSION (HIGH BLOOD PRESSURE) and HEADACHE (HEADACHE). At the time of the report, HYPERTENSION (HIGH BLOOD PRESSURE) had resolved and HEADACHE (HEADACHE) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 11-Feb-2021, Blood pressure measurement (120-80 mmHg): 199/105 mmHg High. On 11-Feb-2021, Heart rate (60-100): 66.         Treatment medications included Amlodipine 2.5 mg. Symptom text in the narrative include: Patient stated she was scared of needle; started having panic attack when the nurse showed her the needle and thought her heart rate was up because of that. The night of 10/Feb/2021, patient started having a headache. 11/Feb/2021, patient said she still had headache and was getting worse. She measured her blood pressure in the morning and it was around 199/105. Around noon, her sister measured her blood pressure and it was 185/99 with pulse of 62 on the left side and 170/88 with pulse of 66 on the right side. Patient went to ER on Feb 11. The blood pressure measured there was 175/91. Patient states she received amlodipine 2.5 mg in the ER. On the night of 11Feb2021 BP reading was 184/93 with pulse of 63; at midnight BP reading was 179/94 with HR of 74. Patients stated she only took Xanas 1mg PM only; not on any other medications until she was put on amlodipine in the ER. Patient went to ER again on 12Feb2021 and had BP reading of 168/89 with pulse of 62. Patient states all this time she has the headache and still had the headache now. Patient stated she was not taking any medications for the headaches; ER doctor told her to follow up with regular doc. Patient was scheduled for the 2nd dose for 10/Mar/2021 and she was scared of the shot and doesn't know whether to get the 2nd dose.  Upon follow up received on 13/Jul/2021 reporter stated patient had the reaction only with initial shot. Patient did not have any reaction when received the second shot. Blood pressure remained elevated for about 30-40 days after the 2nd shot. Patient also reported blood pressure had returned to normal.   This case was linked to MOD-2021-255582 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 13-Jul-2021: Event details (event outcome) updated. Suspect product second dosage regimen added. Action taken was updated from unknown to Not applicable. Corresponding fields and Narrative has been updated