For hiccups that stink, you can take drugs such as chlorpromazine, morpholine, and omeprazole to relieve the symptoms. There are more causes of hiccups in the human body, such as eating gas-producing foods, such as onions, garlic, sweet potatoes, and carbonated beverages, which produce a lot of gas in the gastrointestinal tract and can cause hiccups and smelly performance. The best way to relieve hiccups is through slow sips of water and deep breathing. If you can’t get relief through the above methods, you should take oral medications to relieve diaphragm spasm in combination with your doctor’s advice. Commonly, there are chlorpromazine, which can play an analgesic role after the medication is taken and can treat stubborn erratic performance. Some people are prone to overeating, which leads to the stomach not being able to move, digest and absorb properly, so more gas is produced. Treatment with oral medications that promote gastric emptying, such as morpholine, can relieve the symptoms of hiccups. Diseases such as gastritis or gastric ulcer can cause the phenomenon of increased stomach acid, and the stimulation of stomach acid can also cause the performance of hiccups.