Herpes zoster has been scabbed generally indicates that the condition is beginning to improve, do not need to take antiviral drugs, for the emergence of special itching and stinging patients can follow the doctor’s prescription oral non-steroidal anti-inflammatory drugs, calcium channel modulators and other drugs to alleviate the symptoms. 1. non-steroidal anti-inflammatory drugs: for herpes zoster has been crusted but especially itchy patients, you can follow the doctor’s instructions to take non-steroidal anti-inflammatory drugs, can reduce the synthesis and release of prostaglandins, to play an anti-inflammatory, antipyretic, analgesic effect, the common drugs are ibuprofen, acetaminophen and so on. 2. Calcium channel modulators: patients can also take calcium channel modulators as prescribed by the doctor, such as pregabalin, gabapentin, etc., which can reduce the release of neurotransmitters through the regulation of calcium channels, and play a role in relieving pain. For patients whose shingles have crusted over but are particularly itchy and painful, they can go to a regular hospital and be treated under the guidance of a doctor.