lower back is spasming really badly and it is radiating into my hips; lower back is spasming really badly and it is radiating into my hips; This is a spontaneous report from a contactable consumer or other non hcp (patient) and Other HCP. A 53-year-old female patient received first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Solution for injection, Batch/Lot Number: EW0758) via an unspecified route of administration on 07Apr2021 (at the age of 53-year-old) at dose 1, single for covid-19 immunisa-tion; ibuprofen (ADVIL [IBUPROFEN]), route of administration, start and stop date, batch/lot number and dose were not reported for an unspecified indication. The reporter took one Advil prior to receiving the vaccine. Medical history included blood pressure high, hypothyroidism, hypermobile, anxiety, depression, urinary incontinence, migraine all from an unknown date and diabetes from an unspecified date in 2016. Concomitant medications included levothyroxine sodium (SYNTHROID) at 75 mcg once a day by mouth; duloxetine (DULOXETINE) at 120 mg once a day; methylpropylpropanediol dinitrate(METHYLPROPYLPROPANEDIOL DINITRATE) at 15mg once daily; aspirin [acetylsalicylic acid] (ASPIRIN [ACETYLSALICYLIC ACID]) at 81mg the caller takes it Monday, Wednesday, Friday; gabapentin (GABAPENTIN) at 200mg once a day; colecalciferol (D3 VITAMIN) at 5,000 IU Tuesdays only; cyanocobalamin (B12 [CYANOCOBALAMIN]) at 1000mcg daily; lisinopril (LISINOPRIL) at 40mg daily for Blood pressure; metformin hcl (METFORMIN HCL) 500mg in the morning, 1000 mg in the evening; insulin detemir (LEVEMIR) 28 units at bedtime, sub Q; cucurbita pepo seed, glycine max (AZO BLADDER CONTROL WITH GO LESS) taken for urinary incontinence 1 capsule twice a day; melatonin (MELATONIN) 5mg-1.5 mg PRN; memantine hydrochloride (NAMENDA) taken for migraine 10mg tablet twice daily; lamotrigine (LAMICTAL) 100mg once a day; black cohosh [cimicifuga racemosa] (BLACK COHOSH [CIMICIFUGA RACEMOSA]) 500 mg once a day; ketoconazole (KETOCONAZOLE) cream PRN; docusate sodium (COLACE) PRN; paracetamol (TYLENOL) PRN; ibuprofen (IBUPROFEN) PRN. The reporter received a TDAP vaccine at the Right Time Urgent Care in (place) on 12Aug2020 ((at the age of 53-year-old) and had a 3 day migraine when she received it. Unknown lot or expiration date. Product: This was the caller's first dose. On 07Apr2021 the patient experienced lower back is spasming really badly and it is radiating into my hips. Event: The caller had spasms in the her lower back and hips. The caller had to go to the Emergency Room at 5:50 am on 08Apr2021 but was not admitted. Consumer stated she just went through reporting her vaccine reaction. Consumer is wondering if there are reports of her same reaction regarding her lower back spasms and if this would contraindicate her from getting the second vaccine. 53-year-old female consumer stated, I was in the ER and they gave me a shot for my pain. I'm waiting for my doctor to call me at 2:30 pm. I received the first dose of the Pfizer COVID vaccine and my lower back is spasming really badly and it is radiating into my hips. I don't have a fever, I'm not nauseous, and don't have a headache. Instead, I've got a different reaction. The doctor at ER said he has never heard of it before. Additional Context: The consumer is calling about the covid vaccine. The consumer received her first dose of the vaccine on Wednesday 07Apr2021 in the afternoon and it was a fabulous experience, she barely even felt it. When the consumer came home, her back went into major spasm and it sent her to the emergency room. They checked the consumer out and gave her a shot and it helped until she came home and the shot wore off. The consumer did not sleep at all that night because the pain. The patient under-went lab tests and procedures which included urine analysis: everything was fine on 08Apr2021. The action taken in response to the events for Advil was unknown. Outcome of the events was not resolved.  No follow-up attempts are possible. No further information is expected.