None - Robitussin is not safe for dogs, and as it is primarily to control cough there are very few instances in which you would have a reason to use it. If you think your dog would benefit from medication, you need to have it seen by a veterinarian who can then diagnose a specific medication condition and if warranted prescribe safe medications for it.
uh, I would strongly recommend you check with a vet before doing that.
How much benadrly can you give your 22lb dog?
Robitussin DM
As much are your vet tells you to or how much its says for your dog on the back
No - Robitussin is a human medication that can make dogs very sick. To deal with kennel cough (a bacteria infection of the upper respiratory tract with Bordetella), you will need to take your dog to the veterinarian for antibiotics.
Monster is not healthy to give to a dog. It has too much caffeine.
Hyper-ness!
for extreme pain, how much can I give him of Dexamethasone SP?
Read the label. Somewhere on that label, it will give directions for children "12 and under". And if it says something like "Children 4 and under - consult your physician" do it.
None
10mg
Don't give medicines to a dog without a vet's advice.