Cat · Felis catus · typical adult weight 2.50–7.00 kg
Omalizumab is dosed at 1–5 mg/kg SC q2-4 weeks in cats, per Source not established. The citation previously shown here named no retrievable document; a literature search on 2026-07-31 found no source that states this dose for this species and route. Treat as unverified and confirm against a primary reference before clinical use.. Omalizumab is used in cats for Severe feline asthma (investigational). Routes documented in cats: SC. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 1 cited dose rule for Omalizumab in cats, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Xolair
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| SC | 1–5 mg/kg | q2-4 weeks | Investigational | Severe feline asthma (investigational) | Extrapolated | Source not established. The citation previously shown here named no retrievable document; a literature search on 2026-07-31 found no source that states this dose for this species and route. Treat as unverified and confirm against a primary reference before clinical use. |
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These ranges are per kg. Enter your cat's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Humanized monoclonal antibody that binds free IgE, preventing attachment to high-affinity IgE receptors on mast cells and basophils, reducing allergic inflammation.
Anaphylaxis risk — observe post-injection. Very expensive. Species-specific antibodies needed for veterinary use. Investigational.
Species-specific contraindications and adverse-reaction reports for cats may differ from canine / feline reference data — consult the primary citations listed with each rule.
Omalizumab dose range in cats, with cited source references: SC 1–5 mg/kg q2-4 weeks. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Omalizumab in cats: SC.
Cited course lengths for Omalizumab in cats include: Investigational. Duration depends on the indication — match it to the specific dose rule in the table above.
Omalizumab is indicated in cats for: Severe feline asthma (investigational).
These are general warnings for Omalizumab across species; consult the cat dosing table above for species-specific guidance. Anaphylaxis risk — observe post-injection. Very expensive. Species-specific antibodies needed for veterinary use. Investigational.
Why a species-specific page? Omalizumab pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in cats — the rules above are the citations specific to this species, not generic recommendations.
Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.