Acute intoxication was observed in adults after taking a dose of about 20 mg and in children - after taking a dose of 5 mg.
Chronic intoxication can be observed in patients suffering from gout, after taking a total dose of 10 mg or higher for several days.
Because the colchicine has antimitotic activity, the organs are often affected, for which a high proliferation rate is characteristic.
Symptomatology of intoxication. Approximately 2-6 hours after ingestion of a toxic dose, burning and perspiration in the throat and in the mouth, urges to vomit and difficulty swallowing, nausea, thirst and vomiting, and then - the urge to urinate and defecate, tenesmus and colic (as a rule , in depleted patients).
Mucoid-watery and / or hemorrhagic diarrhea can lead to loss of fluid and electrolytes, resulting in the development of hypokalemia, hyponatremia and metabolic acidosis. Often, patients complain of both constriction and pain in the region of the heart. In the future, there is pallor, a decrease in body temperature, cyanosis and dyspnea. Possible development of tachycardia and arterial hypotension (right up to the collapse).
Neurological disorders. manifested in the form of reduced sensitivity, seizures and symptoms of paralysis. Possible fatal outcome in the first three days due to cardiovascular failure and respiratory paralysis.
After 1-2 weeks after the treatment of intoxication, a complete,sometimes long-term alopecia. In some cases violations of the kidneys, lungs and liver were noted. There are reports of rare cases of blindness.
Treatment of intoxication. Treatment can only be symptomatic, which is aimed at stabilizing the cardiovascular system. Intravenously kalelno enter plasma substitutes or isotonic sodium chloride solution with the addition of glucose and electrolytes (mainly, potassium), conduct ECG monitoring.
To maintain myocardial contractility, you can assign digoxin. If necessary, antibiotic therapy. With increased pressure of the cerebrospinal fluid, dexamethasone; there may be a need for a lumbar puncture. When spasms in the abdomen are prescribed atropine, papaverine or tannalbine. Do not use opiates.
It may be necessary to use oxygen therapy or in artificial respiration.