Is dextromethorphan polistirex a narcotic?
Dextromethorphan, while not an opioid, is chemically related to codeine. It retains the antitussive properties of codeine but does not display any of the other typical opiate agonist characteristics. Dextromethorphan works centrally to suppress cough by decreasing the excitability of the cough center in the brain.
How does dextromethorphan polistirex work?
Dextromethorphan works on the part of your brain responsible for the cough reflex, disrupting the communication between your brain and the nerves which provoke the coughing. It temporarily blocks the “lock” so that the “key” no longer fits.
What happens if you take too much dextromethorphan polistirex?
If you overdose on dextromethorphan, the side effects can be serious and may include: Blurred vision or double vision. High blood pressure (hypertension) Low blood pressure (hypotension)
How much dextromethorphan polistirex can I take?
DOSAGE AND ADMINISTRATION
| adults and children 12 years of age and over | 10 mL every 12 hours, not to exceed 20 mL in 24 hours |
| children 6 to under 12 years of age | 5 mL every 12 hours, not to exceed 10 mL in 24 hours |
| children 4 to under 6 years of age | 2.5 mL every 12 hours, not to exceed 5 mL in 24 hours |
How long does dextromethorphan polistirex last?
As a cough suppressant, the polistirex version lasts up to 12 hours. This duration also holds true when used recreationally. In 1981, a paper by Gosselin estimated that the lethal dose is between 50 and 500 mg/kg. Doses as high as 15–20 mg/kg are taken by some recreational users.
What is the side effects of dextromethorphan?
Dextromethorphan may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
- dizziness.
- lightheadedness.
- drowsiness.
- nervousness.
- restlessness.
- nausea.
- vomiting.
- stomach pain.