Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
Guaifenesin (Oral Expectorant) is dosed at 3–5 mg/kg PO q8-12h in dogs, per Verified against Papich/Saunders Handbook of Veterinary Drugs, 4th Ed, p.399 (2026-08-01).. Guaifenesin (Oral Expectorant) is used in dogs for Productive cough (expectorant). Routes documented in dogs: PO. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 1 cited dose rule for Guaifenesin (Oral Expectorant) in dogs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Mucinex, Robitussin
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 3–5 mg/kg | q8-12h | Short-term; 5-7 days | Productive cough (expectorant) | Moderate | Verified against Papich/Saunders Handbook of Veterinary Drugs, 4th Ed, p.399 (2026-08-01). |
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These ranges are per kg. Enter your dog's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Increases respiratory tract fluid secretions and reduces mucus viscosity, facilitating productive cough and airway clearance.
Ensure product does not contain xylitol, pseudoephedrine, or other additives toxic to animals. May cause mild GI upset.
Species-specific contraindications and adverse-reaction reports for dogs may differ from canine / feline reference data — consult the primary citations listed with each rule.
Guaifenesin (Oral Expectorant) dose range in dogs, with cited source references: PO 3–5 mg/kg q8-12h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Guaifenesin (Oral Expectorant) in dogs: PO.
Cited course lengths for Guaifenesin (Oral Expectorant) in dogs include: Short-term; 5-7 days. Duration depends on the indication — match it to the specific dose rule in the table above.
Guaifenesin (Oral Expectorant) is indicated in dogs for: Productive cough (expectorant).
These are general warnings for Guaifenesin (Oral Expectorant) across species; consult the dog dosing table above for species-specific guidance. Ensure product does not contain xylitol, pseudoephedrine, or other additives toxic to animals. May cause mild GI upset.
Why a species-specific page? Guaifenesin (Oral Expectorant) pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in dogs — 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.