Then there is the tests and diagnosis you go through to determine what you are actually allergic to and how it can be controlled or eliminated. It is important to understand that a doctor is trained in the medical process of elimination and fully understands the effects and side effects of the drugs he is screening you for during this process. So when the treatment that works best for you is finally determined and your schedule treatment is having positive effects, one might be led to belive that further trials might bring even more relief.
Opium is an herbal derivitive and a spoon full of it can kill you. I make this point only to point up the potential for strength and potency in herbal medicines. Never ever discontinue your prescribed medicines you doctor has given you without having a serious talk with your doctor. There are herbal remedies for bad breath that can be purchased at your drug store and might actually work but not as good as a tooth brush and dental floss. No one has ever died as a result of bad breath though. No matter what you hear about any herbal treatments always consult your doctor and let him or her explain what exactly it is in the medicine you are thinking of consuming.
If you are a severe asthma patient you can at times feel desperate and might be willing to try anything at times. It can leave you alone and isolated and unable to do the things you like to do. Many asthma patients have found relief from group therapy. Being able to talk with others who have the same problems is always a help and has no risk of side effects other than possibly making some new friends. So never underestimate the power of positive thinking as a part of your treatment and before you ever consume any type of herbal concoction, talk to your doctor first.