 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]   Missed Dose Not applicable.  Storage Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets. Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.The uses of Gastrocrom Oral: This medication is used to treat mastocytosis, a disease that occurs when the body has too many mast cells. These normal body cells release substances (such as histamines) that are needed for normal body defense and healing, but when too many mast cells are present, they release too much of these substances. This can lead to symptoms such as diarrhea, stomach/abdominal pain, itching, rash, and flushing. Cromolyn belongs to a class of medications called mast cell stabilizers. It works by preventing mast cells from releasing the substances that can cause these skin and gut problems. How to use Gastrocrom Read the Patient Information Leaflet if available from your pharmacist before you start using cromolyn and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Take this </s>