Go to the nearest pet hospital so a licensed veteranarian can take a look at it.
thats its nipples
Yes but gradually introduce them as it can upset the hamsters stomach, don't feed too much of it as it is meant for a treat and nothing else.
There are no home remedies for tumors, you should get your hamster checked by a vet.
Yes, hamsters can get mites. Consult a vet over the best way to treat.
Yes, Chocolate can cause very bad stomach problems in a hamster's tiny stomach.
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Yes hamsters can get ticks, fleas and mites but you can get all sorts of spays to treat them Hope i helped :0)
You can feed them to hamsters, but I would feed them a maximum of 5 a day as they are not healthy. Keep them as a treat.
No home remedies can treat mange without seriously injuring the hamsters skin. Take your hamster to a vet.
Ice or a cool compress to reduce swelling.
it may be a serois medical conditiion, ask a vet. is the rat old? is the bump big? is the lump swollen? is the bump on a patch of thin skin? where has your rat been? is the bump smooth or scaly or something else?
Yes, hamsters can eat strawberry's, but i recommend that you don't give them to your hamster very often. Use them as a treat.