The exact mechanism of action of this medication is not entirely known. Researchers have suggested, though, that opiates affect the signalling pathway of nerve cells. When pain is experienced, such as if you touch something hot for example, the sensory receptors in your fingers 'sense' a message of injury. This message is then sent through the nerve signalling pathway, to the brainstem and spinal cord. After being transmitted to the brain, the brain processes the message and interprets it as an unpleasant feeling of pain.
Codeine 30 mg works by attaching to certain areas of the central nervous system called opioid receptors. Once attached, this medication blocks signals of pain, hence providing relief from the discomfort a patient may be experiencing. This pain-relieving medicine can also be useful in the treatment of a non-productive cough. Also called a dry cough, a nonproductive cough is usually the result of some kind of irritation in the throat. Various things, from asthma to acid reflux as well as irritants in the air such as dust, can cause a dry and painful cough.
The cough reflex is a vital defence mechanism of the body. However, it can sometimes become overstimulated and this medication helps suppress the cough reflex and reduce discomfort associated with a dry cough.
The durational efficacy of this medication may vary from one person to the next. The time to onset of effects of this medication will depend on various factors including:
The duration of action of these painkillers is approximately 4 to 6 hours but this can vary slightly depending on the following factors:
This analgesic medication has been proven effective in various scientific research studies. It is commonly used in the treatment of several conditions. A question that gets asked at times is what is codeine effective for according to scientific research? In a study by Peechakara and Gupta, the efficacy of the codeine painkiller was evaluated for the following conditions:
|Cough||This antitussive medicine was associated with a decrease in the frequency and severity of coughs. Although, there is limited research indicating the efficacy of a codeine dosage in patients with chronic coughs.|
|Restless Legs syndrome||These painkiller tablets were suggested as being effective for the treatment of restless legs syndrome in patients who did not find relief with other medications. Restless legs syndrome is a condition that tends to happen in the evening or at nighttime. Therefore, therapeutic dosages are beneficial when administered at night and codeine side effects like drowsiness are easier to manage prior to retiring to bed.|
|Persistent Diarrhoea||Data suggests that this pain-relieving medicine is equally as effective as loperamide, also known by the brand name Imodium, for the treatment of diarrhoea. Research suggests that the choice between these therapeutics should be based on the individual evaluation of a patient and their susceptibility to side effects.|
|Pain||This medicine is recognised for the treatment of mild to moderate pain, including cancer pain. However, the use of this analgesic for the treatment of other types of chronic pain is controversial, according to experts. Chronic pain is pain that persists for longer than 3 months and includes fibromyalgia, headaches, back pain and osteoarthritis.|
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