Use a snake bite kit to remove as much venom as possible. If two people are there, continue to remove venom while transporting the dog to a veterinarian. Transport the dog immediately to a local veterinarian and ask them to only administer Benadryl and IV fluids to help stabilize the dog.
1 corticosteroids: These help to reduce the inflammation of a lichen planus rash, and can be topical, oral, or given as an injection. 2  antihistamines: These also reduce inflammation and may be particularly helpful if your rash is triggered by an allergen.he most common type of lichen planus affects the skin. The lesions appear and spread over the course of several weeks and usually clear up within six months to a year and a half. Less commonly the lesions can occur on mucous membranes, genitalia, nails, and the scalp.
In patients with oral lichen planus, scalp involvement (lichen planopilaris) is rare. Nail involvement in patients with oral lichen planus is uncommon. In a small group of patients, lichen planus may involve the esophagus, the tympanic membrane, the larynx, or the conjunction.