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Methadone is a (synthetic opiate) narcotic that when administered once
a day, orally, in adequate doses, can usually suppress a heroin addict's
craving and withdrawal for 24 hours. Patients are as physically dependent
on methadone as they were to heroin or other opiates, such as Oxycotin
or Vicodin. Each time an addict uses heroin, there is a cycle of consisting
of intoxication, initially, followed by a period of normal mental functioning
which then yields to the discomfort of withdrawal and craving (flu-like
symptoms with pain, anxiety and depression).
The cycle that repeats every 4 to 8 hours with heroin is eliminated
by expert methadone maintenance treatment. This is possible because
methadone is released more slowly into the system and lasts much longer
than heroin and most other opiates. Short acting opiates, like heroin,
hydrocodone and morphine perpetuate and/or create abnormal processes
in the brain, which interfere with feeling normal and functioning
normally. Taking methadone, instead, stops most aspects of this destructive
process while normalizing important neurobiological functions. After
stabilization on the proper dose, methadone does not produce the rush
or “high” associated with heroin abuse.
What are the side effects of Methadone
The most common side effects of Methadone are:
- drowsiness
- lightheadedness
- weakness
- euphoria
- dry mouth
- urinary retention
- constipation, and
- slow or troubled breathing
Some occasional side effects are:
- allergic reactions
- skin rash
- hives
- itching
- headache
- dizziness
- impaired concentration
- sensation of drunkenness
- confusion
- depression
- blurred or double vision
- facial flushing
- sweating
- heart palpitation
- nausea
- and vomiting
The least common side effects of Methadone are:
- anaphylactic reactions
- hypotension causing weakness and fainting
- disorientation
- hallucinations
- unstable gait
- tremor
- muscle twitching
- myasthenia gravis
The risks include kidney failure and seizures.
What are the signs of a Methadone overdose?
- marked drowsiness
- confusion
- tremors
- convulsions
- stupor leading to coma
- cold and clammy skin
- hypotension
- bradycardia
Detoxification from Methadone
For detoxification treatment, methadone is administered
under close supervision. During detoxification
a patient may receive methadone when there are
symptoms of withdrawal. Such symptoms are sneezing,
yawning, tearing of eyes, runny nose, excessive
perspiration, fever, dilated pupils, abdominal
cramps, nausea, body aches, tremors and irritability.
After several days of stabilizing a patient with
methadone, the amount is gradually decreased. The
rate at which it is decreased is dependent on the
reaction of the individual . . . keeping withdrawal
symptoms at a tolerable level is the goal.
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