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2. Betahistine - Wikipedia

   en.wikipedia.org/wiki/Betahistine

   Betahistine was once believed to have some positive effects in the treatment of Ménière's disease and vertigo, [3] but more recent evidence casts doubt on its efficacy. [4] [5] Studies of the use of betahistine have shown a reduction in symptoms of vertigo and, to a lesser extent, tinnitus, but conclusive evidence is lacking at present.

3. Postherpetic neuralgia - Wikipedia

   en.wikipedia.org/wiki/Postherpetic_neuralgia

   There is no treatment that modifies the disease course of PHN; therefore, controlling the affected person's symptoms is the main goal of treatment. Medications applied to the skin such as capsaicin or topical anesthetics (e.g., lidocaine) are used for mild pain and can be used in combination with oral medications for moderate to severe pain. [2]

4. Shingles - Wikipedia

   en.wikipedia.org/wiki/Shingles

   Pain can be mild to severe in the affected dermatome, with sensations that are often described as stinging, tingling, aching, numbing or throbbing, and can be interspersed with quick stabs of agonizing pain. [22] Shingles in children is often painless, but people are more likely to get shingles as they age, and the disease tends to be more severe.

5. Preherpetic neuralgia - Wikipedia

   en.wikipedia.org/wiki/Preherpetic_neuralgia

   Preherpetic neuralgia is a form of nerve pain specifically associated with a Shingles (herpes zoster) viral infection. This nerve pain often precedes visible indications of a Shingles infection and consequently can be a key early indicator of a need to begin preventative anti-viral drug therapy.

6. FDA approves new pain medication as an alternative to ... - AOL

   www.aol.com/news/fda-approves-pain-medication...

   Vertex Pharmaceuticals claimed in a press release that the medication can be used for many types of moderate-to-severe acute pain and has shown no evidence that it is addictive, like opioids.

7. H3 receptor antagonist - Wikipedia

   en.wikipedia.org/wiki/H3_receptor_antagonist

   An H 3 receptor antagonist is a type of antihistaminic drug used to block the action of histamine at H 3 receptors.. Unlike the H 1 and H 2 receptors which have primarily peripheral actions, but cause sedation if they are blocked in the brain, H 3 receptors are primarily found in the brain and are inhibitory autoreceptors located on histaminergic nerve terminals, which modulate the release of ...