My parents won't take me to the doctor?

I have been having trouble being able to breath off and on. I have also been coughing and I'm not even sick. I also have been sometimes getting out of breath like trying to get up the stairs or sometimes when I'm talking. At first this only happened sometimes but now its been every day and sometimes it gets even worse. I told my parents and they just said oh well. Could this be an allergic reaction or asthma? My dad also has asthma if that has anything to do with it.
My parents won't take me to the doctor?
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