Why is my dog coughing up phlegm? Is it infection or heartworms?

Hi, and thanks for your question. This sign could be compatible with a respiratory tract inflammation/infection or possibly to a tracheitis/bronchitis (inflammatory, allergic, infective). A clinical examination at your local veterinarian is essential to confirm these clinical suspicions and treat appropriately. Antibiotics may be needed. Hope this answer was helpful, but please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further. If this answer was helpful please let us know, this will be used to improve our service!

I am sorry to hear that your dog is coughing. There are so many reasons for chronic cough such as allergic bronchitis, pulmonary hypertension, heartworm disease, enlarged heart, fungal infection, parasites, and cancer. To answer your question heartworm is transmitted by mosquitoes only and can not pass through people. Also, there is no answer to how long it takes for a cough to resolve. It completely depends on what is causing the cough. I would highly encourage you to consider a follow up appointment with your veterinarian soon. X-rays, bloodwork, and a fecal exam may be recommended to help determine the diagnosis and best treatment plan. Best of luck and thank you for using Pet Coach.

Cough can be caused by an infection, heart problem or lung condition, it is important to first know the cause before treating it as treatment is different from condition to another. The most common disease causing cough is a viral infection called Kennel cough, this disease usually resolves without treatment within a couple weeks but if the cough is too severe it is recommended to go to the vet in order to get cough medicine and antibiotics.

I would be concerned about these signs even if they are related to heartworm disease, and would not consider this type of coughing as typical for a dog recovering from heartworm. If she seems to be having trouble breathing you should seek emergency veterinary care. A chest x-ray might be recommended depending on how Tess's chest sounds on physical exam.

Thank you for submitting your question regarding Tobi. The coughing/gagging sound you described can be a sign of a respiratory tract infection. Infected dogs can also cough up a white foamy material. If this continues, he will need to see a veterinarian. If he does have an infection, antibiotics may be necessary. I hope this information helps!

Cough can be caused by an infection, heart problem or lung condition, it is important to first know the cause before treating it as treatment is different from condition to another. The most common disease causing cough is a viral infection called Kennel cough, this disease usually resolves without treatment within a couple weeks but if the cough is too severe it is recommended to go to the vet in order to get cough medicine and antibiotics.

Thanks for using Petco Pet Education Center, formerly Petcoach! Besides being due to heartworms, coughing can be a sign of many conditions such as pneumonia, bronchitis, heart disease, among many other possibilities. I recommend that you have Scooby evaluated by your veterinarian for further assessment and treatment. Likely diagnostics to be performed include thoracic radiographs and bloodwork. Treatment would be dependent on findings. Good luck and have a good night!