Budenol 0.5mg Respules is a steroid used to prevent asthma symptoms, such as wheezing and shortness of breath. It is a preventer, meaning it should be used regularly to control asthma. The drug's effectiveness may be noticeable after a few days but will reach its maximum after a few weeks. Common side effects include throat irritation, difficulty swallowing, and fungal infections. If these symptoms occur, it is important to consult a doctor. Other rare side effects include rinsing the mouth and throat with water or brushing teeth after inhaling. Pregnant or breastfeeding women should consult their doctor before taking Budenol 0.5mg Respules. It is important to avoid situations that worsen asthma and avoid smoking.