CHRONIC PAIN written on a blue card with a heart in the foreground and bottles in the background


Do you know that antidepressant medicines are sometimes prescribed for individuals with out despair?

It’s true. Antidepressants are ceaselessly prescribed for power ache, particularly ache associated to nerve illness (known as neuropathic ache), power low again or neck ache, and sure varieties of arthritis.

In actual fact, some tips for the remedy of power low again ache and osteoarthritis (the commonest kind of arthritis) embrace antidepressants. One antidepressant specifically, duloxetine (Cymbalta), is FDA-approved for these circumstances.

Simply how antidepressants cut back ache is just not properly understood. One chance is that they have an effect on chemical compounds within the mind concerned in ache notion, a mechanism that differs from how they combat despair.

Not normally the primary alternative for ache aid

For individuals with power low again or neck ache or osteoarthritis of the hip or knee, an antidepressant remedy is just not normally the primary remedy really helpful. Different approaches, corresponding to bodily remedy, train, shedding extra weight, nonsteroidal anti-inflammatory medication (NSAIDs), or cortisone injections are normally tried first. But when these aren’t useful, antidepressants corresponding to duloxetine or amitriptyline may be an affordable subsequent step.

When prescribed for ache, the preliminary dose is usually low (typically decrease than the beginning dose for despair). It’s step by step elevated if essential. Ideally, individuals discover a profit inside weeks of beginning the drug, and the remedy might be continued on the lowest efficient dose. Switching to a special antidepressant could also be really helpful if ache is just not properly managed, unintended effects develop, or there may be an interplay with one other remedy.

A brand new research suggests antidepressants don’t work properly for widespread varieties of ache

Previous analysis on antidepressants for power ache, corresponding to duloxetine for osteoarthritis of the knee, amitriptyline or duloxetine for power low again ache, and amitriptyline for power neck ache, demonstrated modest, short-term profit. However the research have been restricted: most trials have been small and lasted only some months or much less. Notably, remedy unintended effects, corresponding to nausea, constipation, and erectile dysfunction, have been widespread in these trials.

Now a 2021 research has mixed the information from previous analysis to get a greater sense of simply how secure and efficient antidepressants are for these circumstances. The information isn’t good:

  • On common, remedy with antidepressants minimally decreased ache and incapacity in contrast with placebo. The development in ache — about four factors on a scale of zero to 100 — was thought-about too small to be noticeable.
  • Individuals handled with sure antidepressants for power ache typically stopped taking the remedy as a result of it didn’t work, brought on unacceptable unintended effects, or each.
  • Individuals with each power ache and despair didn’t expertise extra enchancment than individuals with power ache alone.

Sciatica could also be an exception: antidepressants might have decreased ache for as much as a 12 months. Nonetheless, the standard of the prior analysis was poor, so the research authors weren’t assured about these conclusions.

These findings forged doubt on the usefulness of antidepressant remedy for these widespread causes of power ache. Nonetheless, they don’t rule out the likelihood that some people might get extra aid from these medicines than others.

The underside line

The accessible proof means that, on common, the good thing about antidepressants for osteoarthritis or power low again ache and neck ache is modest at finest, and tends to be short-term. That’s disappointing as a result of, for a lot of ache victims, there aren’t any reliably efficient remedies (wanting joint alternative for osteoarthritis).

So, when you’re on an antidepressant for ache and also you aren’t certain if it’s working, speak to your physician about whether or not you need to contemplate stopping it. However don’t cease it by yourself. There could also be different causes your physician is recommending this remedy, and plenty of antidepressants needs to be step by step decreased, not stopped abruptly, to keep away from discontinuation signs.

In case you’re taking an antidepressant for ache, it’s price revisiting whether or not it’s actually doing something for you and whether or not it may be time to shorten your remedy checklist. Not solely may you simplify your medical routine, you might also cut back the price of your medicines and the chance of medication-related unintended effects.

Comply with me on Twitter @RobShmerling

The publish Are antidepressants additionally ache relievers? appeared first on Harvard Well being Weblog.



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