Pissed!!! Why do I have to be so nice!! Any home remedies

So I'm sick I have a horrible cough, sneezing, running nose, scratchy throat, just all around my head feels like its gonna explode. And on top of everything I didn't get any sleep last night because I couldn't stop coughing. So I'm way to tired to even try to go and get medicine. So of course I ask my sister or someone to help me out and get some for me. ( my husband is at work) but she did not even hesitate and said no right away. That straight up pissed me off. Because when she is sick and I have very little money till next pay day I will go out of my way and make sure she has everything she needs. But she isn't willing to do the same for me. Sorry this is stupid to be upset about just tired. Any have any home remedies I could use right now?