Antiasthmatic combinations are medications which are administered together with other medications in order to relieve asthma.
Regular Websites
what it is and what it is used for, drug interactions, dosage information, and precautions for those taking it. - Dy-G Liquid
http://www.vastrx.com/DrugInfo/dy_g_liquid_guaifen_dyphylline_oral_60258037116.htm
Revolution Health offers this article about guaifenesin theophylline, marketed as Theomar G.G. and disseminates information about what class of treatment this combination anti-asthmatic is, indications and contraindications, and warnings provided by the manufacturer. - Theomar G.G.
http://www.revolutionhealth.com/drugs-treatments/theomar-gg
Contains details about Difil-G oral, which is the combination of guaifenesin and dyphylline, including uses, indications, and reviews. - Web MD: Difil-G Oral
http://www.webmd.com/drugs/drug-4999-Difil-G+Oral.aspx?drugid=4999&drugname=Difil-G+Ora