Pain in her right arm near injection site/ pain in her right arm near injection site is very achy or tender; sore; she was hurting so much needed an ice pack/pain goes down kind of to her underarm/armpit; when she touches the area she can feel the soreness all the way down to her armpit; radiating pain; pneumonia shot given on 08Jan2021 was the second dose for pneumonia shot; This is a spontaneous report from a contactable consumer (patient). A 66-year-old female patient received second dose of pneumococcal 13-valent conjugate vaccine (diphtheria CRM197 protein) (lot number and expiration date unknown) via unspecified route of administration on 08Jan2021 at single dose (either left or right arm; not sure which arm) for immunization; and influenza vaccine via unspecified route of administration on 08Jan2021 at single dose for immunization. Medical history included knee arthroplasty from Nov2020 to Nov2020 (not ongoing). Concomitant medications included ibuprofen at unknown dose (500mg or 600mg as needed-not sure which strength/dose), as needed for pain; and paracetamol (TYLENOL) at unknown dose (500mg or 600mg as needed-not sure which strength/dose), as needed for pain. The patient previously received influenza vaccine (flu shot) last year, 2020 for immunization (stated she received flu shot yearly); no event occurred in that past vaccination. Patient also previously received first dose of pneumococcal 13-valent conjugate vaccine (diphtheria CRM197 protein) (referred as pneumonia shot) in 2020 for immunization. It was reported that patient got influenza vaccine (flu shot) and pneumonia shot on 08Jan2021. On 09Jan2021, she had onset of pain in her right arm near injection site. Patient does not know which arm the flu shot and pneumonia shot were administered; she just got one in each arm; cannot specify which. Names on the products cannot be clarified at this time.  Patient stated she got the first dose of pneumonia shot last year which was given at her doctor's office, not the pharmacy and she did not have this event with that shot; this pneumonia shot given on 08Jan2021 was the second dose for pneumonia shot. It was clarified that pain in her right arm near injection site did not start right away on 08Jan2021; it started the next day. Further described as: Last night, 08Jan2021, she was hurting so much needed an ice pack; she clarified that it was not sore at that time; it was pain. The pain goes down kind of to her underarm/armpit; when she touches the area she can feel the soreness all the way down to her armpit; radiating pain. She knew it would feel achy and warm a little bit; but not like this pain. She started feeling like maybe the Pharmacist did not give her the shot right. Right now, 09Jan2021, the pain in her right arm near injection site is very achy or tender; sore; but not like it was last night. She does not feel anything wrong on the left arm where the other product injection was given (cannot determine which product). Outcome of the event (pain in right arm near injection site) was recovering; outcome of other event was unknown.   Pfizer is a marketing authorization holder of Pneumococcal 13-valent conjugate vaccine (diphtheria CRM197 protein) in the country of incidence or the country where the product was purchased (if different). This may be a duplicate report if another marketing authorization holder of Pneumococcal 13-valent conjugate vaccine (diphtheria CRM197 protein) has submitted the same report to the regulatory authorities.  No follow-up attempts are needed. No further information is expected; information about batch number cannot be obtained.