Severe indigestion

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So I have indigestion so bad that no matter what I eat, I get nauseous and start dry heaving afterwards. I called my ob and they told me to take Pepcid. Thing is I feel like I can’t leave to pick it up and my husband won’t be able to get it for another 4 hours because of work. Are there any at home remedies to get me through the next couple of hours? I’m already taking mylanta and threw in some zofran hoping it’ll keep me from throwing up. I feel awful 😩