Licensed vaccine product

RotaTeq: side effects, ingredients & package insert

Merck Sharp & Dohme LLC · rotavirus vaccine · live attenuated · oral · 2 mL

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Adjuvant
none
Preservative
preservative-free
Presentation
single-dose ready-to-use oral tube

RotaTeq ingredients (FDA package insert, Section 11)

Per-dose composition as stated in the prescribing information; verified 2026-07-09. Click an ingredient for every vaccine that contains it.

RoleIngredientAmount per dose
AntigenLive reassortant rotavirus G1≥2.2 × 10^6 infectious units
AntigenLive reassortant rotavirus G2≥2.8 × 10^6 infectious units
AntigenLive reassortant rotavirus G3≥2.2 × 10^6 infectious units
AntigenLive reassortant rotavirus G4≥2.0 × 10^6 infectious units
AntigenLive reassortant rotavirus P1A[8]≥2.3 × 10^6 infectious units
PreservativeNone (preservative-free)Single-dose presentation; label states no preservative.
stabilizerSucroselabel quantity
bufferSodium citrate / phosphate bufferslabel quantity
surfactantPolysorbate 80label quantity
residual_manufacturingFetal bovine serumtrace residual

Source: FDA package insert. Formulations change — re-verify before clinical use.

RotaTeq side effects: where the data is

Reported reactions for RotaTeq and the other rotavirus products are compiled on the rotavirus vaccine page: pre-licensure trial reactogenicity, VAERS report counts, and international databases (Canada Vigilance, EudraVigilance, Lareb, VigiAccess). Those counts are spontaneous reports with no denominator — a report does not establish that the vaccine caused the event.

RotaTeq lot number lookup

VAERS report counts are available by lot for Rotavirus vaccines. Use the rotavirus lot number lookup or search any lot directly in the lot explorer. Lot numbers are printed on the vaccination record card and the vial label.

RotaTeq vs Rotarix

All licensed rotavirus vaccine products side by side. Differences in platform, adjuvant and route are the usual reasons one is chosen over another; efficacy and safety comparisons belong to the trial and surveillance sections of the rotavirus vaccine page.

ProductManufacturerPlatformAdjuvantRoute
RotaTeqMerck Sharp & Dohme LLClive attenuatednoneoral
RotarixGlaxoSmithKline Biologicalslive attenuatednoneoralpage

Schedule and age range

Licensed ages and the recommended series for rotavirus vaccines are on the rotavirus vaccine page; how 31 countries schedule it is on rotavirus schedule by country. Always confirm the product-specific age range in the current package insert.

Common questions about RotaTeq

What are the side effects of RotaTeq?

Common reactions listed in the RotaTeq package insert are injection-site pain, redness or swelling and short-lived systemic symptoms such as fever, tiredness or irritability. Rarer events and the reported counts from VAERS and international databases are on the rotavirus vaccine page; counts are reports, not rates, and do not prove the vaccine caused the event.

What is in RotaTeq?

RotaTeq contains Live reassortant rotavirus G1; Live reassortant rotavirus G2; Live reassortant rotavirus G3; Live reassortant rotavirus G4; Live reassortant rotavirus P1A[8] as antigen; adjuvant: none; it is preservative-free. Excipients: Sucrose, Sodium citrate / phosphate buffers, Polysorbate 80, Fetal bovine serum. Amounts per dose are in the table above, taken from Section 11 of the FDA package insert (verified 2026-07-09).

Where is the RotaTeq package insert?

The FDA-licensed prescribing information for RotaTeq is published by Merck Sharp & Dohme LLC and the FDA; the source used for this page is https://www.fda.gov/vaccines-blood-biologics/vaccines/rotateq. Formulations change, so re-verify the current insert before clinical use.

How does RotaTeq compare with Rotarix?

RotaTeq (Merck Sharp & Dohme LLC) uses a live attenuated platform with adjuvant none, given oral; Rotarix (GlaxoSmithKline Biologicals) uses live attenuated with adjuvant none. Both are licensed rotavirus vaccines; the comparison table above lists every product.

Reviewed 2026-10-08 · Matthew Thomas J Halma, Founder, Open Source Medicine Foundation. Informational, not medical advice.