Treatments for back pain: Pharmacological therapy
Other
Use of other pharmaceutical drugs has been proposed, such as steroideal
anti-inflammatory drugs - that is, cortisone derivatives-, opioids
and antidepressants, and colchicine.
Steroideal antiinflammatory
drugs
Steroids are very potent anti-inflammatory drugs, but their risks
are also important and impede their systematic use.
Their most frequent adverse effects are related
to digestive tract disorders, such as stomach burn or bleeding ulcers.
They also increase blood glucose, worsening diabetics' stability,
generate obesity and protein destruction, causing long-term muscular
atrophy and capillary fragility, with onset of hemorrhages.
Some of the existing recommendations
based on scientific evidence advise them by intramuscular administration
(not orally) and only briefly if symptoms are very intense and refractory
to nonsteroideal anti-inflammatory therapy. The existing recommendations
based on scientific evidence coincide in stating that the few available
studies suggest that oral steroids are not effective for the treatment
of back pain.
Opioids
Opioids are morphine-derived drugs. They are very potent analgesics.
Their use should only be considered for very intense pain episodes,
when other drugs have proven useless. Opioids are dangerous and
have important adverse effects such as drowsiness, decreased reaction
time, clouded judgement and potential physical dependence. Some
of the existing recommendations
based on scientific evidence point out that these symptoms appear
in about 35% of patients. The existing recommendations
based on scientific evidence establish that opioids appear to be
no more effective in relieving back pain symptoms than safer analgesics
such as paracetamol, aspirin or other nonsteroideal anti-inflammatories.
Therefore they recommend avoiding their use for back pain.
Colchicine
Colchicine is a drug used for treating rheumatism. It's most common
side effects (gastrointestinal irritation and skin problems) are
reported by one third of patients. Most severe side effects include
decrease in blood cell count. Available evidence does not show Colchicine
to be effective for treating back pain.
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