Protriptyline
Protriptyline is a tricyclic antidepressant (TCA) used primarily to treat major depressive disorder. It works by increasing the levels of certain neurotransmitters in the brain, particularly norepinephrine and serotonin, which are involved in regulating mood. This medication is often prescribed when other antidepressants have not been effective.
Protriptyline is a tricyclic antidepressant used to treat depression by increasing norepinephrine and serotonin levels in the brain.
This medication carries a boxed (black box) warning — the strongest type of FDA warning. Review the full prescribing information before use.
Key facts at a glance
- ATC
- N06AA11
- RxNorm
- 8886
- Generic
- Protriptyline
- Class
- atc-n06
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- oral
- Forms
- tablet
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Protriptyline is primarily used to treat major depressive disorder. It may also be used for conditions such as attention-deficit/hyperactivity disorder (ADHD) and narcolepsy due to its stimulating properties. Your healthcare provider may prescribe it off-label for other conditions as deemed appropriate.
Protriptyline works by inhibiting the reuptake of norepinephrine and serotonin at nerve endings in the brain, thereby increasing the availability of these neurotransmitters. This action helps restore chemical balance and improves mood. The medication has minimal sedative effects compared to other tricyclic antidepressants.
Protriptyline may cause side effects such as dry mouth, constipation, blurred vision, drowsiness, or dizziness. It is important to avoid alcohol and inform your doctor of any heart conditions, as TCAs can affect heart rhythm. This medication requires careful monitoring and should not be stopped abruptly. Always follow your healthcare provider's instructions regarding dosing and potential drug interactions.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy