The first thing is to determine if the medicine is appropriate for the diagnosis made. Hence we will need to know the diagnosis and other details.
Ascoril is the brand name of a multi-ingredients product that contains three medicines: terbutaline, bromhexine and guaifenesin. Such a combination is not permitted in any western, advanced country such as US, UK etc. Please see the general statement on combinations below:
Fixed-Dose Combinations (FDCs): Medicines are discovered individually and are supposed to be taken separately. A huge number of irrational, illegal combinations of drugs are being sold in India; quite a few without mandatory approval of the Drugs Controller General, India (DCGI). Except in a few cases (such as TB medicines), it is always better to take medicines separately so that dosage can be adjusted and side effects monitored.