How To Give A Dog Robitussin

Are you wondering if Robitussin can be given to your dog for a cough, mucus, sinus problems or other flu-like symptoms?

Guaifenesin is a super popular medicine. Robitussin in particular has at least 15 different variations including some formulated for children.

It can be very confusing and even more so when it comes to your precious pet dog.

Can I Give My Dog Robitussin?Here is what’s certain:

For coughing: –Dextromethorphan (Robitussin DM with dextromethorphan at 10-15 mg/5ml and Guafenisin at 100mg/5ml), for cough. Roughly, 1 teaspoon per 20 pounds for dogs.

Drug Name:

15mg tablets; 15mg and 25mg capsules; 5mg/5mL, 7.5mg/5mL, 10mg/5mL, 15mg/5mL, and 20mg/15mL oral liquid/syrup; 30mg/5mL extended release liquid; 5mg, 7.5mg, and 15mg lozenges; and 7.5mg oral strips

Drug Interactions:

  • Never give your dog Robitussin without the approval of your veterinarian.
  • Robitussin has not been evaluated for safety during pregnancy or lactation and should be used with caution in either situation.
  • Use with caution in pets with liver disease or skin allergies (atopy).
  • Use with caution in patients with chronic coughs or wet coughs.
  • Should not be used concurrently with Amitraz-containing collars.
  • Side Effects and/or Signs of Overdose:

    Vomiting, diarrhea, decreased appetite, sleepiness, drooling, anxiousness

    Signs of overdose include rapid heartbeat, collapse, incoordination, muscle tremors, seizures, facial swelling, and hives.


    Can you give Robitussin cough syrup to a dog?

    For dry, non-productive coughing in dogs, Robitussin DM (Dextromethorphan)–(2mg/mL), can be given.

    How long does it take for Robitussin to work in dogs?

    It may be given with or without food; however, if your pet vomits when given this medication on an empty stomach, give future doses with food or a treat. Measure liquid forms of this medication carefully. This medication will take effect quickly, in about 1 to 2 hours, and improvement in clinical signs should follow.

    Will Robitussin hurt a dog?

    Robitussin is useful for a mild cough. Often times it will help a dog to stop coughing and also sleep better at night. I occasionally prescribe it for those intended purposes.