felt terrible; both arms hurt the same amount; both arms are a little sore and normally; instead of receiving PNEUMOVAX by Merck the patient received the second dose of PREVNAR 13; instead of receiving PNEUMOVAX by Merck the patient received the second dose of PREVNAR 13; received two doses of PREVNAR 13 in a year and a half; This is a spontaneous report from a contactable consumer (patient). A 65-year-old male patient received pneumococcal 13-valent conjugate vaccine (diphtheria crm197 protein) (PREVNAR 13, unknown lot number and expiration date), administered via an unspecified route of administration in arm on 11Jul2019 09:20 at a single dose for Pneumonia vaccine/Immunisation in doctor's office.  Medical history included tooth infection, but when he went down to see his doctor today to get a root canal, his doctor saw no infection. Concomitant medication included first dose of varicella zoster vaccine rge (cho) (SHINGRIX) for immunization. The patient previously took amoxicillin for tooth infection about 3 or 4 weeks ago at 500 mg every 8 hours or 3 times day, unknown tablets or capsules by mouth) and then he still had an infection, so his doctor put him on azithromycin (Z-PAK). He was on a 5 day regimen of azithromycin, and he took 2 on the first day. He started azithromycin on Monday, 05Jul2019 and took the last dose on 09Jul2019 or 10Jul2019. The patient previously received pneumococcal 13-valent conjugate vaccine (diphtheria crm197 protein) on an unspecified date, year and a half ago, for immunization. The patient reported that he received two doses of pneumococcal 13-valent conjugate vaccine (diphtheria crm197 protein) in a year and a half. The medical assistant told the patient that instead of receiving pneumococcal vaccine polysacch 23v (PNEUMOVAX) by Merck the patient received the second dose of pneumococcal 13-valent conjugate vaccine (diphtheria crm197 protein). The medical assistant told him that she made a mistake and grabbed the wrong vaccine and gave him the same thing he had received a year and a half ago. The patient wanted to know the short term and long term effects of receiving two pneumococcal 13-valent conjugate vaccine (diphtheria crm197 protein) in one and a half year. He stated that last night, 11Jul2019, after he got the pneumococcal 13-valent conjugate vaccine (diphtheria crm197 protein) shot. States that he also got the first of shot of varicella zoster vaccine rge (cho) (first one in a series of two) yesterday at the same time, but on the other arm. He felt terrible last night, and he rode it through this morning and felt a little better this morning. He stated for all he knows it could have been the varicella zoster vaccine rge (cho) that did this to him, he does not know if it is from the pneumococcal 13-valent conjugate vaccine (diphtheria crm197 protein). He is not sure which arm pneumococcal 13-valent conjugate vaccine (diphtheria crm197 protein) was administered since both arms hurt the same amount, so he does not know if there a difference; he stated both arms are a little sore and normally for a vaccination it is sore. The patient was recovering from the event felt terrible; outcome of the remaining events was unknown.  Information on the batch number has been requested.