Side effects of biologic drugs may include: respiratory infections headaches flu-like symptoms swelling, itching, or a rash at the injection site urinary tract infection Two types of biologic ...

But a small number of people do have problems. The most common problem you might have is a flare-up of your arthritis just after your injection. This might cause more pain and swelling in the ...

Injection into a joint or another specific part of the body is called local treatment, as it only affects that part of the body. Treatments taken through IV or orally are called systemic ...