I was a smoker for nearly 50 years and tried many times to give up, tried patches, gum, pastilles, spray, micro tabs, any of these in combination. Nothing worked and my health was getting worse. Chest infections, short of breath, thin as a rake etc.
Finally asked GP for help and went on the Champix programme. You start the tablets on one a day and continue to smoke for a prearranged time, a week say. Then you go on to two a day and stop smoking. During this time you visit nurse once a fortnight for a chat and a carbon monoxide test which shows whether you've had a cigarette. I hadn't but if you've weakened I assume there's extra help. I found it worked, Champix switches off the sensors in the brain that create the craving. The course lasts twelve weeks and I found that by week ten I didn't need the tablets anymore. Oh the fag free freedom! I can't recommend it enough. My breathing has improved and I can go for a walk with friends. I've also bought a treadmill with the money I've saved, along with a few other treats. I've put on weight, which I needed but you don't have to guzzle chocolate like I did. I've stopped that now. People tell me I look fantastic, and these are people who don't know the story, just notice how much better I look.
Don't be put off by people telling you that Champix gives you nightmares, it didn't for me and I sometimes think these stories are self prophesying.
I can't say I never want a cigarette, a 50 year habit is going to raise its head occasionally, but the urge has gone in a second.
You can also download an app that tells you each day how your health is improving and how much money you've saved. Go for it farview, you'll be so glad you did it. Good luck.