Clout is for treatment of parasites.
While I know that our first goal is to try and get the fish well, it's NOT good to start throwing every kind of medicine imaginable into the tank. It's BEST to try and figure out what is wrong and then treat the health issue.
When we don't know and are trying to figure things out, the best thing to use is salt... plain table salt works fine. Iodized is OK also since the idodide levels are so low, they don't really matter for short term therapeutic use.
Slowly, over 24 hours, raise the salt level to 3 teaspoons per gallon (0.3%) and keep up with partial water changes, replacing the amount of removed salt with each PWC.
Your 3 tablespoons per 10G is only equal to 9 teaspoons per 10G so you are at just about 1 teaspoon per gallon. Add two more doses, spread out over 12 hours, of 3 tablespoons per 10G, diluting the salt in water first and then slowly pouring it into the hospital tank, avoiding close contact with the fish or the filter intake. This will raise the salt level to 2.7 teaspoons per gallon, which is probably going to be 3 teaspoons per gallon since a 10g tank probably only holds 9G anyhow, since we don't fill it to the very top, etc.
From:
http://www.skepticalaquarist.com/docs/health/salt.shtml
"
Salinity measurements. A 3ppT or 5 ppT (parts per thousand) salt solution is equivalent to 0.3% or 0.5% salinity, or 3 or 5 grams per liter, or 3 or 5 teaspoons of salt per gallon. Remember, a level tablespoon is equivalent to
three level teaspoons. This is the standard recommendation for salt treatment for skin parasites and for Ich."
Salt, at that level will also kill off many different bacteria, especially external bacteria.
Here's an article by a fish veterinarian... about salt.
http://www.aquarticles.com/articles/ponds/Kebus_Salt_Treatments.html
Keep observing the fish for any specific signs of a particular parasite or bacteria. This means checking the fish's poop for health signals. If the fish isn't pooping, it could just be constipation that is causing the health issue and that would be a different treatment.