The causes of back pain after hiccups are the following: 1. Consider that it may be caused by muscle tissue damage, incorrect posture such as spinal fatigue, long-term ambulation can cause damage to the back. 2. A variety of diseases of the digestive system can sometimes lead to pain in the stomach and back reflex area, such as cholecystitis, inflammation of the gastrointestinal tract can cause, you should take oral gastritis granules with morpholine and omeprazole for medication. If the pain is severe, oral ibuprofen capsules are recommended.3. Consider that it may be caused by hiccups followed by forked gas. Erratic reflux can occur in healthy people due to mental stimulation or rapid swallowing of dry food while drinking less water, but can disappear on its own. If the cause of this symptom cannot be determined, you should promptly go to the hospital for relevant examinations to make a clear diagnosis and then treat the symptoms.