text: i am having aproblem keeping my throat clear andwheezing,getting out of breath,very tired,isthisasthmasymptons what are symptons for asthma. i am having breathing difficulties doing normal things and no cough,should i goto doctor you should make an appointment to see your dr. ask him to send you for a pulmonary function test. they can find out if you have asthma. they may do a methacholine challenge test. he may also order chest x-rays. there are other things that can cause wheezing and shortness of breath, but it could be asthma.