Orthostatic hypotension has several causes.
Hypovolemia is the most common cause. It may be due to:
Impaired autonomic (nerve) reflex due to certain diseases:
- Decreased heart muscle contractility or vascular responsiveness
Phenothiazine antipsychotic drugs (
Atypical antipsychotics (eg,
A risk factor is something that increases your chance of getting a disease or condition.
Risk factors include:
- Increased age
Use of certain drugs:
- Loop diuretics
- MAO inhibitors
- Tricyclic antidepressants
- Tetracyclic antidepressants
- Phenothiazine antipsychotic drugs
- Inadequate fluid intake
- Prolonged bedrest
Certain diseases or conditions:
- Addison’s disease
- Pernicious anemia
- Guillain-Barre syndrome
- Riley-Day syndrome
- Shy-Drager syndrome
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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