Inappropriate schedule of vaccine administered; This spontaneous case was reported by a consumer and describes the occurrence of INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION (Inappropriate schedule of vaccine administered) in a 67-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 021C21A and 036A21A) for COVID-19 vaccination.     The patient's past medical history included Hives, Hypersensitivity reaction and Anaphylaxis. Previously administered products included for Product used for unknown indication: Cefpodoxime (Patient took cefpodoxime without problems in allergy clinis) on 10-Nov-2020. Past adverse reactions to the above products included No adverse event with Cefpodoxime. Concurrent medical conditions included Drug allergy (Allergic to Imipramine hydrochloride: Reaction type intolerance Elevated HR, BP and neck and face turns purple per pt) since 10-Feb-2014, Allergy to antibiotic (Allergic to Keflex(Cephalexin): Highly allergic per pt, tested Oct-2001. On 27 Jul 2015 did well Ceftriaxone allergy testing, skin prick, intradermal and IM 1000 mg challenge were considered negative for reactions. She did report some GI symptoms that showed up many hours later, but this was not a severe problem for her. 10-Nov-2020 took cefpodoxime without problems in allergy clinic.) since 10-Feb-2014, Allergy to antibiotic (Allergy to Macrodantin (nitrofurantoin): Severity High Reaction Shock and/or unconsciousness Anaphylactic shock, elevated BP and HR (>125) per pt) since 10-Feb-2014, Allergy to antibiotic (Allergic to Levofloxacin: Severity High Reaction Shock and/or unconsciousness Anaphylactic shock high BP and HR pet pt) since 10-Feb-2014, Allergy to antibiotic (Allergic to Amoxicillin: Severity High,Reactions Asthma and /or shortness of breath Highly allergic per pt tested allergy on Oct-2001) since 10-Feb-2014, Penicillin allergy (Penicillin: everity High Throat swelling, dry eyes, elevated BP and HR. Tested on Oct-2001 as allergy outside KP) since 10-Feb-2014, Allergy to antibiotic (Allergic to Clindamycin hydrochloride: Reaction type intolerance, GI upset per pt) since 10-Feb-2014, Drug allergy (Allergic to Delestrogen (estradiol Valetate): Reaction type intolerance, Elevated BP initially and then low BP after monthly injections. Last injection was on Jun-2007) since 10-Feb-2014, Drug allergy (Allergic to Detrol (toterodine tartrate): Reaction type intolerance, Per pt chest cramped up and felt heavy) since 10-Feb-2014, Allergy to antibiotic (Allergic to Erythromycin Base: Reaction type intolerance, GI upset per pt) since 10-Feb-2014, Drug allergy (Allergic to Estradiol: Reaction type intolerance, Patient had Elevated BP (146/112), HR (110) and head/neck turned purple per pt from taking oral estradiol 2mg bumps on all over the body and aggravated psoriasis from estradiol patch) since 10-Feb-2014, Drug allergy (Allergic to Gabapentin: Reaction type intolerance Elevated BP (175/65) and HR (110)) since 10-Feb-2014, Drug allergy (Allergic to Morphine: Reaction type intolerance Jittery climbing out of the skin feeling) since 10-Feb-2014, Drug allergy (Allergic to Omeprazole: Reaction type intolerance, heart rate increased) since 11-Nov-2020, Drug allergy (Allergic to Pepcid (famotidine): Feel like throat was closing up) since 02-Mar-2020, Drug allergy (Allergic to Singulair (Montelukast Sodium): Reaction type intolerance, stomach pain) since 21-Feb-2018, Sulfonamide allergy (Allergic to Sulfa(sulfomide antibiotics): Reaction type allergy, Throat swelled shut) since 01-Jul-2014, Allergy to antibiotic (Allergic to Tetracycline hydrochloride: Reaction skin Rash and /or Hives and elevated HR pet pt) since 10-Feb-2014, Drug allergy (Allergic to Tylenol W codeine (Acetaminophen-codeine) : Reaction type intolerance, Severe vomiting per pt) since 10-Feb-2014, Allergy to antibiotic (Allergic to Zithromax(azithromycin): Reaction type intolerance, Sour stomach, cramps and severe diarrhea per pt) since 10-Feb-2014, Blood pressure abnormal and Postnasal drip. Concomitant products included ATENOLOL (TENORMIN) from 1988 to an unknown date for Blood pressure management, LORATADINE from 2020 to an unknown date, BECLOMETASONE DIPROPIONATE (RHINOCORT [BECLOMETASONE DIPROPIONATE]) and IPRATROPIUM BROMIDE for Postnasal drip.   On 19-Mar-2021 at 2:30 PM, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 29-Apr-2021 at 3:30 PM, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 29-Apr-2021 at 3:30 PM, the patient experienced INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION (Inappropriate schedule of vaccine administered). On 29-Apr-2021 at 3:30 PM, INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION (Inappropriate schedule of vaccine administered) had resolved.            No treatment information was provided.   This case was linked to MOD-2021-424370 (Patient Link).