Phenothiazine overdose
Definition
Phenothiazine is a medication used to treat serious mental and emotional disorders. This article discusses an overdose of phenothiazine. Overdose occurs when someone accidentally or intentionally takes more than the normal or recommended amount of a certain substance. This article is for information only, NOT for use in treating or managing an actual overdose. If you have overdosed or been exposed to poison, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.
Poisonous Ingredient
The poisonous ingredient is phenothiazine, which may be found in a variety of medications.
Where Found
- Acetophenazine
- Chlorpromazine (Thorazine)
- Chlorprothixene (Taractan)
- Clozapine (Clozaril)
- Fluphenazine (Prolixin)
- Haloperidol (Haldol)
- Loxapine (Loxitane)
- Mesoridazine (Serentil)
- Molindone (Moban)
- Perphenazine (Trilafon)
- Pimozide (Orap)
- Prochlorperazine (Compazine)
- Promazine (Sparine)
- Thioridazine (Mellaril)
- Thiothixene (Navane)
- Trifluoperazine (Stelazine)
- Triflupromazine
- Promethazine (Phenergan)
Note: This list may not be all inclusive.
Symptoms & Signs
- Airways and lungs
- No breathing
- Rapid breathing
- Shallow breathing
- Bladder and kidneys
- Retention of urine (unable to empty bladder)
- Eyes, ears, nose, mouth, and throat
- Blurred vision
- Congested nose
- Drooling
- Dry mouth
- Swallowing difficulties
- Ulcers in the mouth, on the tongue, or in the throat
- Vision color changes (things look brownish)
- Yellow eyes
- Heart and blood
- High or severely low blood pressure
- Irregular heartbeat
- Rapid heartbeat
- Muscles and joints
- Muscle spasms, particularly of the neck, face, and back
- Muscle stiffness
- Nervous system
- Agitation
- Clumsiness
- Coma
- Confusion
- Convulsions
- Deep sleep
- Difficulty walking or shuffling gait
- Fainting
- Hallucinations (rare)
- Incoordination
- Irritability
- Needing to move, restlessness
- Tremor
- Weakness
- Skin
- Rapid sunburn if exposed to the sun
- Skin discoloration, bluish (changing to purplish)
- Stomach and intestinal tract
- Other
- Changes in menstrual pattern (in women, from chronic doses)
- Fever
- Low body temperature (hypothermia)
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