amitriptyline vs norepinephrine
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Side-by-side comparison of amitriptyline and norepinephrine. 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.
Elavil
Levophed
Amitriptyline is a medicine used to treat depression. It may take up to 30 days to feel the full effect.
Norepinephrine injection raises blood pressure in adults with very low blood pressure. It belongs to a class of drugs called vasopressors.
Amitriptyline is used to relieve the symptoms of depression. It works best for a type of depression called endogenous depression. This is depression that comes from within, rather than being caused by outside events.
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.
Amitriptyline belongs to a class of drugs called tricyclic antidepressants (TCAs). It works by increasing the levels of certain chemicals in your brain. These chemicals help improve your mood.
Norepinephrine works by tightening blood vessels. This increases blood pressure. It helps to improve blood flow to your organs.
- • Drowsiness
- • Dizziness
- • Weakness
- • Fatigue
- • Headache
- • High blood pressure
- • Slow heart rate
- • Anxiety
- • Headache
- • Trouble breathing
- Pain 1,565
- Nausea 1,434
- Headache 1,381
- Fatigue 1,371
- Dyspnoea 1,340
- Hypotension 1,011
- Acute Kidney Injury 747
- Multiple Organ Dysfunction Syndrome 652
- Toxicity To Various Agents 624
- Condition Aggravated 560
Antidepressants may increase the risk of suicidal thoughts or actions in children, teens, and young adults. Your doctor should closely monitor you for worsening depression or unusual changes in behavior. Amitriptyline is not approved for use in children.
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.
Tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. It is not known if amitriptyline will harm your unborn baby. Amitriptyline can pass into breast milk.
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.
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How to Read This amitriptyline vs norepinephrine Comparison
amitriptyline is classified in the Tricyclic Antidepressant (TCA) drug class, while norepinephrine sits within the Vasopressor (Alpha-1 Agonist) 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, amitriptyline has 7,091 submissions while norepinephrine has 3,594. 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 amitriptyline can interfere with how your body handles norepinephrine. this can cause your blood pressure to rise to a very high level and stay that way for a long time.. 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 amitriptyline or norepinephrine.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.