Vitamin A is primarily used to treat vitamin A deficiencies such as night blindness, dry eye, corneal softening and skin roughness. No side effects have been seen at normal doses, and overdose can lead to symptoms of toxicity such as unusual agitation, dizziness and drowsiness.
Vitamin A promotes growth, maintains the normal function of epithelial tissues, participates in the synthesis of retinal pigment, and is involved in many oxidative processes in the body, making it suitable for use in the treatment of vitamin A deficiencies, such as dry eye, corneal chondromalacia, night blindness, and skin roughness.
Contraindications to the drug include patients with chronic renal failure. No adverse reactions are generally seen with the recommended dosage. Excessive intake of vitamin A can lead to severe toxicity, which may be manifested by abnormal agitation or commotion, dizziness, somnolence, diplopia, severe headache, vomiting, diarrhea, and so on.
Specific medication should be administered under the guidance of a specialist, and should not be used without authorization.