norepinephrine vs nortriptyline
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Side-by-side comparison of norepinephrine and nortriptyline. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
minor Known Drug Interaction
7.2 Tricyclic Antidepressants Co-administration of norepinephrine bitartrate with tricyclic antidepressants (including amitriptyline, nortriptyline, protriptyline, clomipramine, desipramine, imipramine) can cause severe, prolonged hypertension.
Levophed
Pamelor
Norepinephrine injection raises blood pressure in adults with very low blood pressure. It belongs to a class of drugs called vasopressors.
Nortriptyline (Pamelor) is a medicine used to treat depression. It can help improve your mood.
This medicine treats severe, sudden low blood pressure in adults. Low blood pressure can happen due to serious conditions. Norepinephrine helps to restore blood pressure to help blood flow to vital organs.
Nortriptyline is used to relieve the symptoms of depression. It may work better for some types of depression than others. Talk to your doctor to see if nortriptyline is right for you.
Norepinephrine works by tightening blood vessels. This increases blood pressure. It helps to improve blood flow to your organs.
Nortriptyline is a tricyclic antidepressant (TCA). It works by increasing the levels of certain natural chemicals in the brain. These chemicals help regulate mood.
- • High blood pressure
- • Slow heart rate
- • Anxiety
- • Headache
- • Trouble breathing
- • Dry mouth
- • Blurred vision
- • Constipation
- • Drowsiness
- • Dizziness
- Hypotension 1,011
- Acute Kidney Injury 747
- Multiple Organ Dysfunction Syndrome 652
- Toxicity To Various Agents 624
- Condition Aggravated 560
- Pain 695
- Headache 679
- Fatigue 593
- Nausea 513
- Hyperhidrosis 485
Norepinephrine can cause tissue damage if it leaks out of the vein. The medicine can also cause very low blood pressure if stopped suddenly. It may also cause irregular heartbeats, especially if you have heart problems. Allergic reactions are possible due to the sulfite ingredient.
Antidepressants may increase the risk of suicidal thoughts or actions in children, teenagers, and young adults. Your doctor will monitor you closely for worsening depression or unusual changes in behavior. Families and caregivers should also watch for these changes.
This medicine may be used during pregnancy if needed. Low blood pressure during pregnancy can be dangerous for both mother and baby. Talk to your doctor about the risks and benefits.
Tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. Nortriptyline may not be safe for your baby. Talk to your doctor about the risks and benefits.
Also Compare, Nearby Drugs
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How to Read This norepinephrine vs nortriptyline Comparison
norepinephrine is classified in the Vasopressor (Alpha-1 Agonist) drug class, while nortriptyline sits within the Tricyclic Antidepressant (TCA) class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, norepinephrine has 3,594 submissions while nortriptyline has 2,965. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known minor interaction flagged in FDA labeling, attributed to nortriptyline stops the body from clearing norepinephrine, which causes it to build up and raise blood pressure.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for norepinephrine or nortriptyline.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.