Herpes zoster pain relief methods can choose oral painkillers such as diclofenac sodium and other non-steroidal anti-inflammatory analgesics, gabapentin and other calcium channel modulators. 1. Diclofenac sodium: Diclofenac sodium is a non-steroidal anti-inflammatory analgesic derived from phenylacetic acid, its mechanism of action is to inhibit the activity of cyclo-oxygenase, thus blocking the conversion of arachidonic acid into prostaglandins, and play a rapid role in pain relief. Adverse reactions: may cause headache and abdominal pain, constipation, diarrhea, heartburn, nausea, dyspepsia and other gastrointestinal reactions. Contraindications: patients with allergic reactions, asthma, urticaria or other allergic reactions to this product and aspirin or other non-steroidal anti-inflammatory drugs, patients with peptic ulcers. Caution should be avoided with other non-steroidal anti-inflammatory drugs. 2. Gabapentin is indicated for postherpetic neuralgia of herpes infection and can be used for the treatment of postherpetic neuralgia in adults. Adverse reactions: drug reaction with eosinophilia, tachyphylaxis and angioedema. Contraindications: Gabapentin is contraindicated in people with known hypersensitivity to any of the components of the drug; Gabapentin is contraindicated in patients with acute pancreatitis. Note that gabapentin can cause allergic reactions and angioedema on the first treatment or at any time during treatment; discontinue use of gabapentin and seek immediate medical attention. If you need to use herpes zoster pain medication, it is recommended to promptly visit a hospital and standardize the use of medication under the guidance of a doctor.