Greetings, I am Dr. Pat. I have worked with birds for many years. I will do my best to help you.

Stop this practice immediately. Common mouth bacteria in humans can cause fatal infections in birds. He should have a bacterial culture and sensitivity sample taken from his mouth, and appropriate antibiotics started immediately. Generally I start them out on antibiotics as indicated by the tests (I use a lot of human antibiotics that are injectable).


You need to to take your bird to see an avian-experienced veterinarian ASAP for complete examination, diagnosis and appropriate treatment. Check this link for members of AAV in your area or call your regular vet and see who they recommend; ask if they really have worked with birds a lot.

The following guidelines help with basic issues such as nutrition, obesity, good immune status. Surprising how the following can make a bird healthy, and how infrequently birds are ill if they are on the following regimen. No amount of medicine is going to work if the birds' basic needs are not met.

Birds should be on a high-quality, preferably prescription, pelleted diet (I prefer Harrison's High Potency, TOP , Tropican). In addition, they should be offered dark leafy greens, cooked sweet potatoes, yams, squash, pumpkin; entire (tops and bottoms) fresh carrots and so forth. No seeds (and that means a mix, or millet, or sprays, etc. etc.) and only healthy, low-fat high fiber people food. A dietary change should be closely monitored and supervised by your avian vet.
convert to pellets
good diet

Birds should get 12-14 hours dark, quiet, uninterrupted sleep at night. Any less and they can suffer from sleep deprivation and associated illnesses. They should be covered or their cage placed in a dark room that is not used after they go to bed. They should have access to bathing by daily shower, misting, bath bowl, etc.
basic maintenance

The cage material should be cleaned everyday, and twice a day if the bird is really messy. Paper towels, newspaper, bath towels are ok. Never use corn cob, sawdust, wood chips, or walnut shell. Consider getting a large cage that is longer than tall--as birds move in a horizontal rather than vertical orientation; and have several feeding stations.
cages

Never give grit, gravel sandpaper or cement perches. A bird will eat those to excess when it is not feeling well or if there is a nutritional deficiency. They do not need it at all (an old myth from the poultry days, even poultry do not need it). It can cause an impaction and lead to serious or fatal consequences.
daily routine
hazards