Right Forearm Twitching and Spasming; Right Forearm Twitching and Spasming; problems swallowing; not feeling that great; trouble breathing when she was laying down; feels the same way as her sleep apnea does when she is sitting up; throat feels a little bit swollen and it is restricting her airway from her mouth; she breathes through her nose but breathing through her mouth is hard; it is not as intense as it was; she has allergies; took her two hours to be able to move around; This is a spontaneous report from a contactable consumer (patient) reporting for herself. A 57-year-old female patient received BNT162B2 (Formulation: solution for injection), dose 2 via an unspecified route of administration, administered in left arm on 18Apr2021 at 10:20 (Lot Number: EW0169; NDC and expiry date was unknown) as dose 2, single (at the age of 57 years) for covid-19 immunisation. Medical history included ongoing sleep apnea from an unknown date and unknown if ongoing. Family history included patient father died of Covid in January. The patient's concomitant medications were not reported. Patient historical vaccine includes first dose bnt162b2 (lot number: EP7533) to left arm on 25Mar2021 for Covid-19 immunisation. The patient experienced right forearm twitching and spasming; right forearm twitching and spasming; problems swallowing; not feeling that great; trouble breathing when she was laying down; feels the same way as her sleep apnea does when she is sitting up; throat feels a little bit swollen and it is restricting her airway from her mouth; she breathes through her nose but breathing through her mouth is hard; it is not as intense as it was, she had allergies; took her two hours to be able to move around; all on 21Apr2021 at 09:00. Caller stated that the doctor told to call this number because she was having odd reactions and they think they are from the second Covid dose. Stated she has not seen her yet, she had an appointment this afternoon to see her. She stated that she got the vaccine on Sunday 18Apr2021 and it was her second dose. Stated that the symptoms she is having that she is concerned about started yesterday; her right forearm started twitching and spasming all day and it is still doing it. States she got the shot in her left arm and this is happening in her right forearm. Caller states it was early evening when she started having problems swallowing and then she went to bed early because she was not feeling that great and she started having trouble breathing when she was laying down. States she has sleep apnea, and it feels that way. States usually when she is laying on her side it feels not so bad, it is more when she lays on her back. Caller states it feels the same way as her sleep apnea does when she is sitting up. States her throat feels a little bit swollen and it is restricting her airway from her mouth. States it doesn't feel the same when she breathes through her nose but breathing through her mouth is hard on 21Apr2021. Caller states it has gotten a little better, she took an allergy pill. States she usually takes it at night but she took it in the morning. States it is not as intense as it was this morning. States it took her two hours to be able to move around and feel like she can breathe through her mouth. States she has allergies, and she notices the difference when something is going on with her body. Patient did not got to emergency room she said no, doctor said if harder to breathe should go to the ER, if feels worse or harder time breathing. Physician office visit have appointment today 22Apr2021. The patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. Therapeutic measures were taken as a result of right forearm twitching and spasming, problems swallowing, not feeling that great, feels the same way as her sleep apnea does when she is sitting up, throat feels a little bit swollen and it is restricting her airway from her mouth, she breathes through her nose but breathing through her mouth is hard, it is not as intense as it was, she has allergies, took her two hours to be able to move around and an allergy pill, Cetrzn 10 mg. Outcome of the event Mouth breathing, Nervous, allergy to vaccine, movement disorder was unknown and all other events was recovering.   No follow-up attempts are needed; information about lot/batch number cannot be obtained.