How Can I Help??!

Hi. I have a family member in need of help. About a year ago she checked herself into rehab and had been clean for almost this whole time. She was doing great! She had a new job and she wanted to stay clean for her kids. Unfortunately, not all of her environment is condusive to staying clean. I am affraid she may have fallen off the wagon so to speak. I knew the first time she quit she had to do it on her own, but knowing that it is easier to kill yourself once you start back up again, I'm worried. Is there anything I can do? Should I take her to a meeting? I could really use some advice. Thanks.
HI WELL I HAVE BEEN CLEAN FOR 7 MONTHS AND IT IS NOT EASY- I HAVE RELAPSED TIME AND TIME AGAIN AND, I JUST RECENTLY EXPERIENCED A CLOSE FRIEND WHO IS ALSO ABOUT 3 YEARS YOUNGER THAN I (IM 22) WELL HE RELAPSED AND IT HURT ME MORE THAN I CAN SAY-THERE IS A FINE LINE BETWEEN CO-DEPENDENCY AND JUST TRYING TO BE SOCIALLY RESPONSIBLE-IF YOU AREE SUSPECTING THAT YOUR FRIEND IS USING AGAIN I WOULD TRY TO DO WHAT EVER YOU FEEL IN YOUR HEART IS THE RIGHT THING-TALK TO THE PERSON,TAKE THEM TO A MEETING, ENCOURAGE THEM TO CHECK THEM SELF INTO A TREATMENT CENTER OR GET INTO INTENSIVE OUT PATIENT-THE SUCESS RATE FOR HEROIN ADDICTS IS VERY LOW, BUT NOONE HAS TO BE A STATISTIC-WE CAN CHANGE THAT-GETTING CLEAN WAS THE EAST PART FOR ME, GETTING MY LIFE BACK TOGETHER,FINANCES, TRUST FROM MY FAMILY IS THE HARD PART-IF YOU NEED ANYTHING PLEASE DO NOT HESITATE TO ASK ME-GOOD LUCK TO YOU AND GOD BLESS!!!!