The problem with some of those blood thinning medications, which includes Warfarin, is that not everyone's renal system eliminates the drug the same way. some clearly it promptly, others do it more slowly. This means that blood levels of the medicine might be different between patients, while having the same demographics otherwise (age, sex, income level, and dosage). Short of doing blood tests all the damn time and sliding dosages around based on the whims of the patient's renal systems, doctors do the best they can to prescribe a safe, effective dosage.
It is not always appropriate, but that is how statistics works. It is appropriate MOST of the time.
Those class actions suits however, are not for that. That is now how they present themselves. They say "Did you use the blood thinning medicines Xarelto or Pradaxa? You could have been exposed to dangerous side effects of these dangerous drugs! Call this toll free hotline to get in contact with an experienced attorney today!"
It not only begs the question that the drugs are dangerous (Fucking water is dangerous. People drown in it all the damn time, and you can actually drink enough of it to poison you.) but enjoins people who were not injured at all by the drugs in question. Again, because all of those drugs (Pradaxa, Xarelto, and Warfarin) work by preventing blood from clotting. THAT IS HOW THEY TREAT DVT AND STROKE RISK. If your blood does not clot easily, if you get hurt, YOU WILL BLEED, AND IT WONT STOP EASILY. It's a binary choice. Stroke and gangrene, or risk of internal bleeding. Pick one. So, if you are being treated for your DVT or high stroke risk by using one of these medications (and these are the bread and butter of treating those conditions) you are eligible to be part of that class action because your risk of serious bleed is greatly increased by those medications, even when they are working for you, and working properly as intended.
When I say we need tort reform, it is for these kinds of abusive lawsuits, that abuse the legal system. That includes the bullshit cases that the big corps are throwing at each other all the damn time, driving up court costs and packing the legal system with red tape hysterics because some enterprising assholes discovered that they can make a business out of suing people. (Patent trolls, et al.)
I do NOT mean (cheesy used car salesman voice) "Here, just sign on this line here (So I can legally bind you to a horrible contract that waives all of your consumer rights and makes you liable for all kinds of horseshit), Yes, good, good."
I don't like being painted with that fucking brush either.