can someone help me ?

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I feel as if my mother doesn't care about my health ever since she's had my little sister , everytime I bring an health issue up to her she thinks it can be solved by things around the house ( tea , water , medicine)  . But if my little sister has something as simple as pink eye , her doctor gets a call immediately ... what should I do to get her to acknowledge that my well being is important as well as my sisters ?