close hamburger search alert

Cluster Headaches
Cluster Headaches Learning Center

Cluster Headaches
A cluster headache is one-sided head pain that may involve tearing of the eyes and a stuffy nose. The headaches occur repeatedly every day at the same time for several weeks and then go away. See also: Headache; Migraine headache; Tension headache.

Popular Tools

Provider Search
Provider Search

Get customized information about the providers and facilities that may interest you.

With the provider search, you can:

  • Search for providers in your area.
  • Compare search results to find the provider that may best meet your needs.
  • Print directory results based on your specific search criteria.
start
Plan Selector
Plan Selector

A quick and uncomplicated way to find the plan that may be right for you.

Take this quick questionnaire to find the UnitedHealthcare Medicare plans that may be right for you or a loved one. The more questions you answer, the more relevant your choices will be.

start