Caregiver:Needs a Prescription from a Vet - then Do it Yourself
Phyllocontin etc. (aminophylline) is a systemic bronchodilator medicine similar in effect to drugs like theophylline and oxtriphylline. Aminophylline for asthma opens airways by relaxing the muscles in and around the airways that tighten during an asthma episode. Aminophylline best controls asthmatic symptoms when a steady blood level of the medication is maintained.