Antidepressant & Pain Medication Comparison Tool
Amitriptyline (Endep)
Class: Tricyclic Antidepressant
Uses: Depression, migraine prophylaxis, neuropathic pain
Typical Dose: 10–150 mg nightly
Side Effects: Dry Mouth Sedation Weight Gain Cardiac Effects
Advantages: Effective for both mood and pain; inexpensive
Disadvantages: Anticholinergic burden; not ideal for older adults
Duloxetine
Class: SNRI
Uses: Depression, generalized anxiety, musculoskeletal pain
Typical Dose: 30–120 mg daily
Side Effects: Nausea Increased BP Sexual Dysfunction
Advantages: Addresses both mood and pain; minimal sedation
Disadvantages: Can raise blood pressure; cost higher than TCAs
Detailed Comparison Table
Drug | Class | Typical Uses | Common Side Effects | Key Advantages |
---|---|---|---|---|
Amitriptyline | Tricyclic antidepressant | Depression, migraine prophylaxis, neuropathic pain | Dry mouth, sedation, weight gain, cardiac effects | Effective for both mood and pain; inexpensive |
Nortriptyline | Tricyclic antidepressant | Depression, chronic pain | Less dry mouth, still sedating | Lower anticholinergic load than Amitriptyline |
Duloxetine | SNRI | Depression, generalized anxiety, musculoskeletal pain | Nausea, increased blood pressure, sexual dysfunction | Addresses both mood and pain; minimal sedation |
Venlafaxine | SNRI | Depression, anxiety, neuropathic pain | Nausea, insomnia, hypertension | Strong for anxiety-related pain; flexible dosing |
Sertraline | SSRI | Depression, OCD, PTSD, anxiety | GI upset, sexual dysfunction, insomnia | Well-tolerated; few drug interactions |
Important Notes:
- Always consult with your healthcare provider before switching medications.
- Some medications may interact with others—keep a full list of all drugs you take.
- Combination therapies (e.g., gabapentin with low-dose antidepressants) are often effective.
Key Takeaways
- Amitriptyline (Endep) is a tricyclic antidepressant also used for chronic pain.
- Newer drugs such as duloxetine and venlafaxine often have fewer anticholinergic side effects.
- Choosing the right medication depends on the condition you’re treating, age, and health profile.
- Switching drugs should be done under medical supervision to avoid withdrawal or interaction issues.
- Non‑drug options like therapy and lifestyle changes can complement any medication.
What is Endep (Amitriptyline)?
When doctors prescribe Amitriptyline (brand name Endep), they’re using a medication that belongs to the tricyclic antidepressant (TCA) class. It was first approved in the 1960s and has since become a go‑to for both depression and various types of chronic pain, such as migraine prevention, neuropathic pain, and tension‑type headaches.
Amitriptyline works by increasing the levels of serotonin and norepinephrine in the brain, which helps lift mood and dampen pain signals. Because it also blocks histamine and certain cholinergic receptors, many users notice sedation, dry mouth, or weight gain-classic “anticholinergic” side effects.
How Amitriptyline Works - The Basics
The drug’s primary action is to inhibit the reuptake of two neurotransmitters: serotonin (5‑HT) and norepinephrine (NE). By staying in the synaptic gap longer, these chemicals can better regulate mood and pain pathways. In addition, Amitriptyline’s affinity for histamine H1 receptors gives it a calming effect that many patients find helpful at night.

Common Alternatives to Consider
If you’re exploring options beyond Amitriptyline, the market offers several drug families that target similar conditions with different side‑effect profiles.
- Nortriptyline - a metabolite of Amitriptyline, still a TCA but often requires a lower dose and can feel “lighter.”
- Duloxetine - a serotonin‑norepinephrine reuptake inhibitor (SNRI) approved for major depressive disorder, generalized anxiety, and chronic musculoskeletal pain.
- Venlafaxine - another SNRI that’s particularly effective for anxiety‑related pain.
- Sertraline - a selective serotonin reuptake inhibitor (SSRI) widely used for depression and anxiety, with a cleaner side‑effect profile for many patients.
- Gabapentin - an anticonvulsant that’s repurposed for neuropathic pain, often paired with low‑dose antidepressants.
- Pregabalin - similar to Gabapentin but with higher potency and faster onset, used for fibromyalgia and diabetic neuropathy.
- Ibuprofen - a non‑steroidal anti‑inflammatory drug (NSAID) that can help with inflammatory pain but doesn’t address neuropathic mechanisms.
Side‑Effect Snapshot - Why Choice Matters
Each medication brings its own set of benefits and drawbacks. Below is a quick glance at the most reported side effects, grouped by drug class.
- TCAs (Amitriptyline, Nortriptyline): dry mouth, constipation, sedation, weight gain, cardiac conduction changes.
- SNRIs (Duloxetine, Venlafaxine): nausea, increased blood pressure, sexual dysfunction, dizziness.
- SSRIs (Sertraline): mild GI upset, insomnia, sexual dysfunction, occasional serotonin syndrome.
- Gabapentinoids (Gabapentin, Pregabalin): drowsiness, swelling, dizziness, potential for misuse.
- NSAIDs (Ibuprofen): stomach irritation, kidney strain, increased cardiovascular risk.
Head‑to‑Head Comparison
Drug | Class | Typical Uses | Usual Dose Range | Common Side Effects | Key Advantages | Key Disadvantages |
---|---|---|---|---|---|---|
Amitriptyline | Tricyclic antidepressant | Depression, migraine prophylaxis, neuropathic pain | 10‑150mg nightly | Dry mouth, sedation, weight gain, cardiac effects | Effective for both mood and pain; inexpensive | Anticholinergic burden; not ideal for older adults |
Nortriptyline | Tricyclic antidepressant | Depression, chronic pain | 25‑150mg nightly | Less dry mouth, still sedating | Lower anticholinergic load than Amitriptyline | Still carries cardiac risk; may need blood level monitoring |
Duloxetine | SNRI | Depression, generalized anxiety, musculoskeletal pain | 30‑120mg daily | Nausea, increased blood pressure, sexual dysfunction | Addresses both mood and pain; minimal sedation | Can raise blood pressure; cost higher than TCAs |
Venlafaxine | SNRI | Depression, anxiety, neuropathic pain | 37.5‑225mg daily | Nausea, insomnia, hypertension | Strong for anxiety‑related pain; flexible dosing | Hypertension risk; withdrawal symptoms if stopped abruptly |
Sertraline | SSRI | Depression, OCD, PTSD, anxiety | 25‑200mg daily | GI upset, sexual dysfunction, insomnia | Well‑tolerated; few drug interactions | Less effective for neuropathic pain |
When to Choose Amitriptyline Over the Others
If you’re dealing with a combination of mood disorder and nighttime pain, Amitriptyline’s sedating properties can be a win‑win. It’s also a budget‑friendly option, especially when insurance coverage is limited.
However, for younger patients, those with heart rhythm concerns, or anyone who already experiences dry mouth or constipation, a newer SNRI like Duloxetine may provide similar relief with a cleaner side‑effect slate.

When an Alternative May Be a Better Fit
Neuropathic pain without depression: Gabapentin or Pregabalin often work faster and avoid anticholinergic effects.
Pure depressive episodes with minimal pain: SSRI such as Sertraline gives a focused mood boost and carries lower cardiac risk.
Anxiety‑driven pain (e.g., fibromyalgia): SNRIs like Venlafaxine or Duloxetine target both neurotransmitters that modulate anxiety and pain pathways.
Practical Tips for Switching Medications
- Consult your prescriber before any change-tapering schedules differ per drug.
- Track symptoms daily for at least two weeks after a switch; note mood, pain level, and side effects.
- If you experience withdrawal (e.g., “brain zaps” from SNRIs), tell your doctor; a slower taper may be needed.
- Maintain a medication list, including over‑the‑counter NSAIDs, to avoid hidden interactions.
- Combine the new drug with non‑pharmacologic strategies-exercise, CBT, and sleep hygiene boost overall outcomes.
Bottom Line - Making the Decision
There’s no one‑size‑fits‑all answer. Think of your treatment goal as a three‑part equation: effectiveness for your primary symptom, tolerability of side effects, and cost/accessibility. Write down what matters most, discuss it with your clinician, and consider a trial period for the chosen medication.
Frequently Asked Questions
Can I take Amitriptyline and an NSAID like Ibuprofen together?
Yes, many doctors allow short‑term NSAID use with Amitriptyline for breakthrough pain, but watch for stomach irritation. Always tell your doctor about every OTC drug you’re using.
How long does it take for Amitriptyline to start working for pain?
Pain relief can appear within 1‑2 weeks, but the full mood‑lifting effect often needs 4‑6 weeks. Patience and consistent dosing are key.
Is Amitriptyline safe for seniors?
Older adults are more prone to anticholinergic side effects and heart rhythm changes, so doctors usually start with a low dose (10mg) or opt for a different class altogether.
What should I do if I miss a dose?
Take the missed dose as soon as you remember, unless it’s close to the next scheduled dose. In that case, skip the missed one and continue with your regular timing to avoid double‑dosing.
Can I switch directly from Amitriptyline to Duloxetine?
A direct switch isn’t recommended because both affect serotonin. Doctors usually taper the TCA while gradually introducing the SNRI to minimize serotonin syndrome risk.
Amitriptyline can knock you out at night, but you’ll wake up with a mouth as dry as the Sahara.