It sounds as if you have the start of blood poisoning from the nice insect that bite you.
I suggest that you go to a doctor as soon as possible.
If left to long it could have serious consequences.
The best way to treat a swollen and infected hand due to IV use is to go to the doctor and let the doctor give you antibiotics.
If the base of the tail is swollen, it may be infected by a bite of another animal. The swelling will need to be drained by your veterinarian, and it may require antibiotics.
The best way to treat a swollen eyelid is to let it rest with lots of ice. If the swollen eyelid does not go away, you should contact your local doctor who will help you treat it.
shoot it
A swollen palm can be treated by giving it a warm salt water bath .
A red and swollen eye in your hamster could be due to an eye infection or injury. It's important to take your hamster to a veterinarian experienced with exotic pets for a proper diagnosis and treatment. Avoid trying to treat it at home as it could potentially worsen the condition.
take your toe out of the dirt.
That might be bumble foot but on the front paw or the back you might wanna take your hamster to the vet to treat the bumble foot
See your local doctor for advice and information on how to treat them yourself.
If a person has been infected with an amoeba, a doctor will treat the patient with antibiotics.
Go to a doctor
Then if the lip was broken and swollen then you have give epinephrine shot.