HEART PALPITATIONS; HEART RATE INCREASED; CHRONIC ANXIETY; PANIC ATTACKS; SHORT OF BREATH; MIGRAINES; STOMACH PAIN; This spontaneous report received from a patient of unspecified age and sex, race and ethnic origin. The patient's weight, height, and medical history were not reported. The patient received covid-19 vaccine ad26.cov2.s (suspension for injection, route of admin not reported, batch number: unknown, expiry: unknown) dose was not reported, 1 total administered on 13-MAR-2021 for prophylactic vaccination. The batch number was not reported and has been requested. No concomitant medications were reported.  On 28-MAR-2021, the patient experienced stomach pain. On 29-MAR-2021, the patient experienced migraines (burning of head/ burning sensation, tingling, pins and needles, cold and numb feet, loss of taste, dizziness) with and burning sensation starting from neck going up. On 11-APR-2021, the patient visited emergency room for migraines. The patient was treated with steroid dexamethasone (intravenous) that helped with migraines but not with burning and tingling sensation and which was present till 20-APR-2021. But then patient continued having migraines all day all night 7 days a week. Patient's taste buds was significantly changed. What was salty and too sweet before for patient was now normal.  Patient's taste buds was little bit different and felt like loss of taste (taste buds significantly changed). On 24-APR-2021 she was still experiencing migraines and loss of taste. When patient had migraines, his or her feet was numb and tingling. On 25-APR-2021, the patient woke up at 1:49AM, patient's heart palpitation was 169, by the time patient went to the hospital and it was increased to 180. Patient's heart went to the chart. The patient was hospitalized. The patient supposed it to be chronic anxiety and panic attacks. The patient was on Xanax (alprazolam) (.50, 2 to 3 times a day) and propranolol. The patient experiencing migraines, tingling, pins and needles sensation, burning of head, legs and feet cold and numb, it goes down to ears. The patient stated that patient never had any of these issues and also stated that she was suffering migraines but not severe with pins and needles sensation. The patient experienced shortness of breath, dizzy and many more.  The action taken with covid-19 vaccine ad26.cov2.s was not applicable. The patient had not recovered from stomach pain, and migraines, and the outcome of short of breath, heart rate increased, heart palpitations, chronic anxiety and panic attacks was not reported. This report was serious (Hospitalization Caused / Prolonged, and Other Medically Important Condition); Sender's Comments: V0 20210544666-20210544666-Heart palpitations, Heart rate increased .This event(s) is considered unassessable. The event(s) has a compatible/suggestive temporal relationship, is unlabeled, and has unknown scientific plausibility. There is no information on any other factors potentially associated with the event(s).   V0 20210544666-20210544666-Migraine. This event(s) is considered not related. The event(s) has a compatible/suggestive temporal relationship, is unlabeled, and has unknown scientific plausibility. There are other factors more likely to be associated with the event(s) than the drug. Specifically: UNDERLYING DISEASE