Lumbar pain is more serious after hot compresses, considering the acute attack of lumbar disc herniation, or lumbar muscle strain, hip arthritis and other diseases caused by, should immediately stop the hot compresses, and then according to the cause of the choice of medication, physiotherapy and other ways to alleviate the pain. 1. Acute attack of lumbar disc herniation: if the degree of lumbar pain worsens when applying hot compresses, stop applying hot compresses or change to cold compresses, and then take non-steroidal anti-inflammatory drugs such as ibuprofen to reduce inflammation and relieve pain. 2. Lumbar muscle strain: when the pain is more serious, it is recommended to take oral non-steroidal anti-inflammatory drugs in favor of pain relief, such as celecoxib, ibuprofen and so on. If the effect of simple oral medication is not satisfactory, can also be changed to local closed treatment. 3. Hip osteoarthritis: the acute onset of hot compresses will also be more painful, to stop the hot compresses as soon as possible, or through the oral non-steroidal anti-inflammatory drugs for pain relief, commonly used drugs are indomethacin, diclofenac and so on. Physical therapy, such as infrared light physiotherapy, can also be used to relieve pain. If the condition of back pain is worse after hot compresses, you can follow the above ways to deal with it, and if it does not improve in a short period of time, you should consult a doctor.