Postural orthostatic tachycardia syndrome medical therapy

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Postural orthostatic tachycardia syndrome Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Medical Therapy

Pharmacotherapy

There is at this time only one drug approved by the FDA to treat orthostatic intolerance, however several classes of drugs often provide symptom control and relief. Treatments must be carefully tested due to medication sensitivity often associated with POTS patients, and each patient will respond to different therapies in different ways. Most patients will respond to some form of treatment.

Fludrocortisone

The first line of treatment for POTS is usually fludrocortisone, or Florinef, a corticosteroid used to increase sodium retention and thus increase blood volume and blood pressure. An increase in sodium and water intake must coincide with fludrocortisone therapy for effective treatment. Dietary increases in sodium and sodium supplements are often used. Gatorade is also effective in providing both sodium and fluid.

Beta Blockers

Beta blockers such as atenolol and propanolol are often prescribed to treat POTS. These medications work by blocking the effects of epinephrine and norepinephrine released by the autonomic nervous system. Beta blockers also reduce sympathetic activity by blocking sympathetic impulses.

Midodrine

Midodrine (Proamatine), is approved by the U.S. FDA to treat orthostatic hypotension, a condition related to POTS. It is a stimulant that causes vasoconstriction and thereby increases blood pressure and allows more blood to return to the upper parts of the body. Use of midodrine is often discontinued due to intolerable side-effects, and it is known to cause supine hypertension (high blood pressure when lying down).

Antidepressants

Antidepressants, especially selective serotonin reuptake inhibitors (SSRIs) such as Prozac, Zoloft, Celexa, Lexapro, and Paxil, can be extremely effective in re-regulating the autonomic nervous system and raising blood pressure. Some studies indicate that serotonin-norepinephrine reuptake inhibitors (SNRIs) such as Effexor and Cymbalta are even more effective. Tricyclic antidepressants, tetracyclic antidepressants, and monoamine oxidase inhibitors are also occasionally, but rarely, prescribed. A combination of two antidepressants, usually an SSRI or SNRI with Wellbutrin or Remeron, is also shown to be very effective.

Stimulants

Medications used to treat ADD and ADHD such as Ritalin and Adderall are used to balance dopamine levels, increase vasoconstriction, and increase blood pressure.

Anxiolytics

Anti-anxiety medications, such as Xanax, Ativan, and Klonopin, can be used to combat imbalances of adrenaline usually seen with POTS patients.

Other Medications

References


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