Prazosin for PTSD
How It Works
Prazosin blocks some of the effects of adrenaline released in your body. This may help reduce the nightmares and sleep problems you have with PTSD.
Why It Is Used
By keeping you from having nightmares, prazosin may help you get better sleep. With better sleep, you can feel healthier and more alert. This may help lower your stress and help you feel more in control of your life.
How Well It Works
Research shows that prazosin may help reduce nightmares, one of the symptoms of PTSD.1 More research is needed to confirm its effectiveness for treating PTSD.
Side effects include:
See Drug Reference for a full list of side effects. (Drug Reference is not available in all systems.)
What To Think About
Since prazosin is more commonly used for high blood pressure, your doctor may want to look into its benefits for PTSD.
Prazosin may help reduce your nightmares, but it is not a cure for PTSD. Nightmares and anxiety may come back if you stop taking your medicine.
Prazosin lowers blood pressure (hypotension), which can make you feel dizzy. This usually stops when your body is used to prazosin. Be careful not to stand up too fast, especially if your dose has just been changed.
Erection drugs like Viagra also can lower your blood pressure. If you're taking erection drugs along with prazosin, your blood pressure may drop very fast. Tell your doctor if you're taking drugs for erection problems.
Prazosin can be taken safely with other PTSD medicines, such as antidepressants, but not with trazodone. Taking prazosin with trazodone can cause the rare side effect of priapism. This is an erection that doesn't go away, which can cause serious health problems.
eMedicineHealth Medical Reference from Healthwise
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