Omeprazole and Xiangsha Liujunwan are not explicitly prohibited from being used together, and can be used together under the guidance of a doctor. Xiangsha Liujun Pill belongs to a kind of proprietary Chinese medicine, and the main ingredients in the medicine include Poria, Licorice, Atractylodes Macrocephala, Codonopsis, Semen Ginseng, Semen Serratulae, and Mullein. Because the drug can clinically benefit qi and strengthen the spleen (regulating the qi of the spleen and stomach), and harmonize the stomach, it mainly targets symptoms such as abdominal distension, indigestion, belching (hiccups), reduced eating, loose stools, and yellowish complexion (yellowish color without luster) caused by weakness of the spleen and stomach and stagnant qi (impeded qi’s operation). Note that the drug is contraindicated in pregnant women, and adverse effects are not known. The diseases treated by omeprazole are mainly gastric ulcer, reflux esophagitis, etc. If these diseases belong to the above evidence, you can use the two drugs together. Note that the adverse reactions of the drug are diarrhea, headache, nausea, abdominal pain, gastrointestinal flatulence and constipation, etc. It is forbidden for those who are allergic to the product, those with severe renal insufficiency and infants. If you need to use the drug, it is recommended to go to the hospital under the guidance of a professional physician. However, Xiangsha Liujun Pill is contraindicated in pregnant women, while Omeprazole is contraindicated in people with liver or kidney insufficiency, and side effects such as nausea and vomiting may also occur. You should consult your doctor before using the specific medication.