itch; Redness; Hair falling out after second vaccine/Telogen Effluvium diagnosis after second vaccine; Discomfort on my left arm; Tenderness; Rash on the left arm after second vaccine; Headache after second vaccine; Chills after second vaccine; This spontaneous case was reported by a nurse and describes the occurrence of DIFFUSE ALOPECIA (Hair falling out after second vaccine/Telogen Effluvium diagnosis after second vaccine), PRURITUS (itch), LIMB DISCOMFORT (Discomfort on my left arm), TENDERNESS (Tenderness) and ERYTHEMA (Redness) in a 70-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 031L20A and 027L20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Hair loss (from chemo) in 2019, Breast reconstruction on 01-Sep-2020, Kidney donor and Chemotherapy in September 2020. Concurrent medical conditions included Open-angle glaucoma since 12-May-2014, Breast cancer since 07-Mar-2019, Allergy to antibiotic (Clindamycin), Penicillin allergy since 1970, Hypersensitivity reaction, Hives and Hay fever. Concomitant products included BIMATOPROST (LUMIGAN) from 12-May-2014 to an unknown date for Glaucoma, CETIRIZINE, CYANOCOBALAMIN, CHOLECALCIFEROL and DORZOLAMIDE HYDROCHLORIDE, TIMOLOL MALEATE (DORZOLAMIDE + TIMOLOL) from 12-May-2014 to an unknown date for an unknown indication.   On 02-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 02-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 03-Mar-2021, the patient experienced HEADACHE (Headache after second vaccine) and CHILLS (Chills after second vaccine). On 07-Mar-2021, the patient experienced RASH (Rash on the left arm after second vaccine). On 08-Mar-2021, the patient experienced LIMB DISCOMFORT (Discomfort on my left arm) and TENDERNESS (Tenderness). On 06-May-2021, the patient experienced DIFFUSE ALOPECIA (Hair falling out after second vaccine/Telogen Effluvium diagnosis after second vaccine). On an unknown date, the patient experienced PRURITUS (itch) and ERYTHEMA (Redness). On 03-Mar-2021, HEADACHE (Headache after second vaccine) and CHILLS (Chills after second vaccine) had resolved. On 09-Mar-2021, RASH (Rash on the left arm after second vaccine) had resolved. On 11-Mar-2021, LIMB DISCOMFORT (Discomfort on my left arm) and TENDERNESS (Tenderness) had resolved. At the time of the report, DIFFUSE ALOPECIA (Hair falling out after second vaccine/Telogen Effluvium diagnosis after second vaccine) had not resolved, PRURITUS (itch) had resolved and ERYTHEMA (Redness) outcome was unknown.        For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   The patient's dermatologist diagnosed her with "Telogen Effluvium" secondary to the vaccination. Treatment information was not provided by the reporter.   Most recent FOLLOW-UP information incorporated above includes: On 02-Jul-2021: Follow-up received on 02-july-2021 contains NNI On 06-Jul-2021: Follow-up document received on 06-july-2021. It contains Patient medical history, Concomitant medications, Events along with their outcomes.