SBL Blatta orientalis is a homoeopathic medicine commonly used for respiratory conditions, especially asthma and breathing difficulty. It is often suggested in cases with cough, wheezing and excessive mucus production. Some people use it to relieve chronic bronchitis-like symptoms. Its use is based on homoeopathic practice, and response can vary between individuals. You should consult a doctor to decide if it is suitable for your condition.