Pet Medication 101: Robitussin It’s important to understand a medication’s uses and side effects before giving it to your pet. This medication info sheet is meant to give you a good understanding of what Robitussin (dextromethorphan) is used for, how it works, and potential side effects in cats and dogs. Always consult a veterinarian before giving your pet any medication. 1. Drug Name: 2. Brand Names: 3. How Dispensed: 4. Forms: 5. Drug Type/Class: 6. Uses in Dogs and Cats: 7. How it Works: 8. Side Effects and/or Signs of Overdose: 9. Drug Interactions: 10. Cautionary Statements: Read more: Need to speak with a veterinarian regarding your pet's medication or another condition? Are you concerned about your pet?Book a video consultation with an experienced veterinarian within minutes.Professional vet advice onlineLow-cost video vet consultationsOpen 24 hours a day, 365 days a year Book Video Consultation 1. Drug Name:dextromethorphan2. Brand Names:Robitussin, Delsym, Balminil, Benylin, Sucrets3. How Dispensed:Over the counter4. Forms: 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 strips5. Drug Type/Class:Antitussive6. Uses in Dogs and Cats:Cough suppressant7. How it Works:Dextromethorphan increases the cough threshold in the part of the brain that triggers a coughing reflex8. Side Effects and/or Signs of Overdose:Vomiting, diarrhea, decreased appetite, sleepiness, drooling, anxiousnessSigns of overdose include rapid heartbeat, collapse, incoordination, muscle tremors, seizures, facial swelling, and hives.9. Drug Interactions:BuspironeDiphenhydramineFluoxetineMetoclopramideNaloxoneSelegilineTerbinafineTramadolTrazodone10. Cautionary Statements: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.Read more:Kennel CoughCommon Causes of Coughing in DogsCauses and Treatment for Coughing in CatsNeed to speak with a veterinarian regarding your pet's medication or another condition?Click here to schedule a video consult to speak to one of our vets. You can also download the FirstVet app from the Apple App Store and Google Play Stores.