Select a medication above to begin.
Spikevax
COVID-19 vaccine, mRNA (1vCOV-mRNA)
Adult Dosing .
Dosage forms: INJ
COVID-19 prevention
- [<65 yo, low infection risk (off-label)]
- Dose: 0.5 mL IM x1 dose; Start: at least 2mo after last COVID-19 vaccine dose if previously vaccinated; Info: search 'immunization' for epocrates Adult Immunization decision tool incl. links to CDC/ACIP schedules
- [<65 yo, high infection risk]
- Dose: 0.5 mL IM x1 dose; Start: at least 2mo after last COVID-19 vaccine dose if previously vaccinated; Info: may give additional dose at least 2mo after last dose and consider further doses on case-by-case basis in moderately-severely immunocompromised patients; search 'immunization' for epocrates Adult Immunization decision tool incl. links to CDC/ACIP schedules
- [65 yo and older]
- Dose: 0.5 mL IM x1 dose; Start: at least 2mo after last COVID-19 vaccine dose if previously vaccinated; Info: may give additional dose at least 2mo after last dose and consider further doses on case-by-case basis in moderately-severely immunocompromised patients; search 'immunization' for epocrates Adult Immunization decision tool incl. links to CDC/ACIP schedules
renal dosing
- [no adjustment]
- renal impairment: no adjustment
- HD/PD: no adjustment; no supplement
hepatic dosing
- [no adjustment]
Peds Dosing .
- Dosage forms: INJ
COVID-19 prevention
- [6-23 mo, low infection risk, not previously vaccinated (off-label)]
- Dose: 0.25 mL IM x2 doses at least 1mo apart; Info: ACIP recommends shared clinical decision-making; search 'immunization' for epocrates Child/Adolescent Immunization decision tool incl. links to CDC/ACIP schedules
- [6-23 mo, low infection risk, previously received 1 Moderna vaccine dose (off-label)]]
- Dose: 0.25 mL IM x1 dose; Start: at least 1mo after last dose; Info: ACIP recommends shared clinical decision-making; search 'immunization' for epocrates Child/Adolescent Immunization decision tool incl. links to CDC/ACIP schedules
- [6-23 mo, low infection risk, previously received 2 or more Moderna vaccine doses (off-label)]
- Dose: 0.25 mL IM x1 dose; Start: at least 2mo after last dose; Info: ACIP recommends shared clinical decision-making; search 'immunization' for epocrates Child/Adolescent Immunization decision tool incl. links to CDC/ACIP schedules
- [6-23 mo, high infection risk, not previously vaccinated]
- Dose: 0.25 mL IM x2 doses at least 1mo apart; Info: may give additional dose at least 2mo after last dose and consider further doses on case-by-case basis in moderately-severely immunocompromised patients; search 'immunization' for epocrates Child/Adolescent Immunization decision tool incl. links to CDC/ACIP schedules
- [6-23 mo, high infection risk, previously received 1 Moderna vaccine dose]
- Dose: 0.25 mL IM x1 dose; Start: at least 1mo after last dose; Info: may give additional dose at least 2mo after last dose and consider further doses on case-by-case basis in moderately-severely immunocompromised patients; search 'immunization' for epocrates Child/Adolescent Immunization decision tool incl. links to CDC/ACIP schedules
- [6-23 mo, high infection risk, previously received 2 or more Moderna vaccine]
- Dose: 0.25 mL IM x1 dose; Start: at least 2mo after last dose; Info: may give additional dose at least 2mo after last dose and consider further doses on case-by-case basis in moderately-severely immunocompromised patients; search 'immunization' for epocrates Child/Adolescent Immunization decision tool incl. links to CDC/ACIP schedules
- [2-11 yo, low infection risk (off-label)]
- Dose: 0.25 mL IM x1 dose; Start: at least 2mo after last COVID-19 vaccine dose if previously vaccinated; Info: ACIP recommends shared clinical decision-making; search 'immunization' for epocrates Child/Adolescent Immunization decision tool incl. links to CDC/ACIP schedules
- [2-11 yo, high infection risk]
- Dose: 0.25 mL IM x1 dose; Start: at least 2mo after last COVID-19 vaccine dose if previously vaccinated; Info: may give additional dose at least 2mo after last dose and consider further doses on case-by-case basis in moderately-severely immunocompromised patients; search 'immunization' for epocrates Child/Adolescent Immunization decision tool incl. links to CDC/ACIP schedules
- [12 yo and older, low infection risk (off-label)]
- Dose: 0.5 mL IM x1 dose; Start: at least 2mo after last COVID-19 vaccine dose if previously vaccinated; Info: ACIP recommends shared clinical decision-making; search 'immunization' for epocrates Child/Adolescent Immunization decision tool incl. links to CDC/ACIP schedules
- [12 yo and older, high infection risk]
- Dose: 0.5 mL IM x1 dose; Start: at least 2mo after last COVID-19 vaccine dose if previously vaccinated; Info: may give additional dose at least 2mo after last dose and consider further doses on case-by-case basis in moderately-severely immunocompromised patients; search 'immunization' for epocrates Child/Adolescent Immunization decision tool incl. links to CDC/ACIP schedules
renal dosing
- [no adjustment]
- renal impairment: no adjustment
- HD/PD: no adjustment; no supplement
hepatic dosing
- [no adjustment]
Contraindications / Cautions .
- hypersensitivity to drug or ingredient
- hypersensitivity to other mRNA COVID-19 vaccines
- caution: non-severe hypersensitivity to prior mRNA COVID-19 vaccine dose
- caution: non-severe hypersensitivity to mRNA COVID-19 vaccine component
- caution: hypersensitivity to vector COVID-19 vaccine
- caution: hypersensitivity to protein subunit COVID-19 vaccine
- caution: immunocompromised patients
- caution: male patients <40 yo
- caution: multisystem inflammatory syndrome history
- caution: myocarditis w/in 3wk of prior COVID-19 vaccine
- caution: pericarditis w/in 3wk of prior COVID-19 vaccine
- caution: illness, acute moderate-severe
Drug Interactions .
Overview
COVID-19 vaccine
vaccine
- non-live vaccine
Avoid/Use Alternative
- interferon gamma 1b
Monitor/Modify Tx
- abatacept
- abemaciclib
- abrocitinib
- acalabrutinib
- adalimumab
- ado-trastuzumab emtansine
- afamitresgene autoleucel
- aldesleukin
- alemtuzumab
- anakinra
- anifrolumab
- anti-thymocyte globulin
- atezolizumab
- atidarsagene autotemcel
- avelumab
- avutometinib
- axicabtagene ciloleucel
- azacitidine
- azathioprine
- baricitinib
- basiliximab
- belatacept
- belimumab
- belinostat
- belzutifan
- bendamustine
- betamethasone
- bimekizumab
- blinatumomab
- bortezomib
- brentuximab vedotin
- brexucabtagene autoleucel
- brodalumab
- budesonide
- budesonide rectal
- busulfan
- cabazitaxel
- canakinumab
- capecitabine
- capmatinib
- carboplatin
- carfilzomib
- carmustine
- cemiplimab
- certolizumab pegol
- chlorambucil
- ciltacabtagene autoleucel
- cisplatin
- cladribine injection
- cladribine oral
- clofarabine
- copanlisib
- corticotropin
- cortisone
- cosibelimab
- cyclophosphamide
- cyclosporine
- cytarabine
- dactinomycin
- daratumumab
- dasatinib
- daunorubicin
- decitabine
- defactinib
- deflazacort
- delgocitinib topical
- deucravacitinib
- deuruxolitinib
- dexamethasone
- dimethyl fumarate
- dinutuximab
- diroximel fumarate
- docetaxel
- dordaviprone
- dostarlimab
- doxorubicin
- dupilumab
- durvalumab
- duvelisib
- efgartigimod alfa
- elivaldogene autotemcel
- elotuzumab
- elranatamab
- emapalumab
- epcoritamab
- epirubicin
- eribulin
- etanercept
- etoposide
- etrasimod
- everolimus
- fam-trastuzumab deruxtecan
- fingolimod
- floxuridine
- fludarabine
- fludrocortisone
- fluorouracil
- fruquintinib
- gemcitabine
- gemtuzumab ozogamicin
- glofitamab
- golimumab
- guselkumab
- hydrocortisone
- hydroxyurea
- ibritumomab tiuxetan
- ibrutinib
- idarubicin
- idecabtagene vicleucel
- idelalisib
- ifosfamide
- imatinib
- inebilizumab
- infliximab
- inotuzumab ozogamicin
- ipilimumab
- irinotecan
- isatuximab
- ixabepilone
- ixekizumab
- lebrikizumab
- leflunomide
- lenalidomide
- linvoseltamab
- lisocabtagene maraleucel
- lomustine
- loncastuximab tesirine
- lurbinectedin
- lymphocyte immune globulin, anti-thymocyte globulin
- margetuximab
- melphalan
- mercaptopurine
- methotrexate
- methylprednisolone
- mirikizumab
- mitomycin
- mitoxantrone
- mogamulizumab
- momelotinib
- monomethyl fumarate
- mosunetuzumab
- mycophenolate mofetil
- mycophenolic acid
- natalizumab
- nelarabine
- nemolizumab
- nilotinib
- nipocalimab
- nivolumab
- obecabtagene autoleucel
- obinutuzumab
- ocrelizumab
- ofatumumab
- oxaliplatin
- ozanimod
- paclitaxel
- palbociclib
- panobinostat
- peginterferon alfa 2a
- pembrolizumab
- pemivibart
- pentostatin
- pertuzumab
- pirtobrutinib
- polatuzumab vedotin
- pomalidomide
- ponatinib
- ponesimod
- prednisolone
- prednisone
- procarbazine
- regorafenib
- retifanlimab
- rilonacept
- ripretinib
- risankizumab
- ritlecitinib
- rituximab
- romidepsin
- ropeginterferon alfa-2b
- rozanolixizumab
- ruxolitinib
- sarilumab
- satralizumab
- secukinumab
- selinexor
- siltuximab
- siponimod
- sirolimus
- sirolimus albumin-bound
- sirolimus topical
- smallpox vaccine, live
- smallpox/mpox vaccine, live
- spesolimab
- sunitinib
- sunvozertinib
- tacrolimus
- tafasitamab
- talquetamab
- tarlatamab
- teclistamab
- temozolomide
- temsirolimus
- teplizumab
- teriflunomide
- thioguanine
- thiotepa
- tildrakizumab
- tisagenlecleucel
- tislelizumab
- tocilizumab
- tofacitinib
- topotecan
- toripalimab
- tralokinumab
- tremelimumab
- triamcinolone
- ublituximab
- upadacitinib
- ustekinumab
- vamorolone
- vandetanib
- vedolizumab
- venetoclax
- vinblastine
- vincristine
- vinorelbine
- voclosporin
- zanidatamab
- zanubrutinib
- zenocutuzumab
- zongertinib
Adverse Reactions .
Serious Reactions
- hypersensitivity rxn
- anaphylaxis
- Bell palsy
- myocarditis
- pericarditis
Common Reactions
- injection site rxn
- fatigue
- headache
- myalgia
- arthralgia
- chills
- nausea
- vomiting
- fever
- lymphadenopathy
- urticaria
Safety/Monitoring .
Monitoring Parameters
no routine tests recommended
Pregnancy/Lactation .
Pregnancy
Clinical Summary
may use during pregnancy; no known risk of fetal harm based on limited human data
Pregnancy Registry
encourage patients to enroll in COVID-19 Vaccines International Pregnancy Exposure Registry at https://cviper.pregistry.com; encourage patients to enroll in v-safe COVID-19 Vaccine Pregnancy Registry at https://vsafe.cdc.gov; encourage patients to enroll in COVID-19 Vaccines Pregnancy Registry at https://mothertobaby.org/ongoing-study/covid19-vaccines/
Lactation
Clinical Summary
may use while breastfeeding; no human data available, though risk of infant harm not expected based on vaccine properties; no human data available to assess effects on milk production
Pharmacology .
Metabolism: other; CYP450: unknown
Excretion: other; Half-life: unknown
Subclass: Coronavirus Vaccines ; Routine Adult Vaccines ; Routine Pediatric Vaccines
Mechanism of Action
elicits humoral and cellular immune response to the SARS-CoV-2 virus
Formulary .
No Formulary Selected
Join Now to View Patient Handouts!
Create a FREE epocrates Online account to access patient medication instructions. Your patients and caregivers will appreciate you printing these friendly handouts, available in English and Spanish. Each handout addresses common concerns such as how to take the medication, and possible side effects.
Current Members: Sign In.
Pill Pictures
Join Now to View Pill Pictures!
Create a FREE epocrates Online account to access full-color images of medications within the drug monograph.
Current Members: Sign In.