It appears they obtained a judgment. If so, look into a motion to set aside the judgment for failure to lawfully serve the lawsuit.

They cannot. More than that the entire situation should like a scam. Whenever one is unsure, give no information, demand proof in...

First, consult with experienced malpractice attorneys. Actions you take yourself could have negative consequences on your case.

It has to be determined if the nurse’s instructions were below the standard of care.

Use the Avvo search tool to find an attorney. https://www.avvo.com/find-a-lawyer. For most cases, most malpractice attorneys take cases on a...

An experienced malpractice attorney can review your case to determine if there is a malpractice and or fraud case.

While a lawsuit might not be viable a complaint to the hospital and medical board may be warranted.

If a warning should have been provided, there may be a product defect case.

While it might be a case, you might find that medical malpractice cases require more harm to be viable. Consult with experienced malpractice...

This is a very odd situation. A second opinion is warranted.