Symptoms acute overdose of vitamin A (develop 6 hours after reception in a dose of 300 000 units to 1 million units once): drowsiness, lethargy, diplopia, dizziness, severe headache, nausea, severe vomiting, diarrhea, irritability, osteoporosis, bleeding from the gums, dryness and ulceration of the oral mucosa, peeling of the lips, skin (especially the palms), agitation, confusion. The clinic is reversible.
Treatment: drug cancellation; symptomatic therapy.