Can Salmex Budesonid and Berodual be used inhaled at the same time?

There are some interactions between the medicines mentioned in the question. Such a set of drugs increases the risk of hypokalemia. It is recommended to monitor potassium levels in patients with exacerbation of asthma, due to the risk of these patients taking even several drugs that cause potassium loss, as well as due to other risk factors such as hypoxia. The most commonly reported early symptoms of hypokalemia are: general weakness, constipation, muscle spasms, palpitations (uneven rhythm) of the heart. It is worth being aware of what the effects of simultaneous use of these drugs may be, so that if they are observed, the patient can relate the symptoms with the fact of combining specific substances. I also encourage you to read the article: https://www.gdziepolek.pl/artykuly/czy-sterydy-sa-bezpieczne