Levodopa tablets

1. The visual improvement effect of this product on amblyopic animal models (1) This product was administered orally to amblyopic rats once a day. In the fourth week of medication, the visual-action reaction time of the amblyopic rats was significantly shortened, and there was significant statistical significance. (2) This product tablet was administered orally to amblyopic cat animal models once a day. From the second week of medication, the visual-action reaction time of the amblyopic cats was significantly reduced. In the fourth week of medication, the shortening of the reaction time was extremely significant. 2. The effect of this product on human visual function It is reported that there are dopaminergic nerves in the center of the retina. The administration of dopa from the outside can increase the storage of neurotransmitters in neurons. The use of this product can improve the visual contrast sensitivity of the human body, reduce fixation scotoma and improve vision.

The main ingredient of this product is L-dopa, and its chemical name is 3-hydroxy-L-tyrosine.

This product is a film-coated tablet, which appears white or off-white after removing the coating.

Used for children and adolescents with ametropia amblyopia, anisometropic amblyopia and strabismus amblyopia.

Oral administration: 5-6 years old, 0.125g (one tablet) each time, 50mg (half tablet) twice a day for the first three days. 7-12 years old, 0.25g (two tablets) each time, 0.125g (one tablet) twice a day for the first three days. Take orally after meals in the morning and evening, four weeks as a course of treatment, generally used for 1 to 3 months or as directed by the doctor.

1. Common reactions include nausea, vomiting, palpitations, postural hypotension, etc., which are generally mild and do not require treatment. 2. Occasionally, eyelid spasms, hypertension, stomach pain, etc. may occur during use.

It is contraindicated for patients with severe mental illness, severe arrhythmia, heart failure, glaucoma, gastrointestinal ulcer and a history of convulsions.

Precautions for children: Use with caution in children under 5 years old. Precautions for pregnancy and lactation: This product can be secreted into breast milk and can also reduce breast milk secretion. Animal experiments have shown that this product can cause visceral and bone deformities. Pregnant and lactating women should not use it. Precautions for the elderly: This experiment has not been conducted and there is no reliable reference literature.

1. This product combined with non-selective monoamine oxidase inhibitors can cause acute adrenal crisis. 2. This product combined with papaverine or vitamin B6 can reduce the blood concentration of this product and weaken its efficacy. 3. This product combined with acetylspiramycin can significantly reduce the blood concentration of this product and weaken its efficacy. 4. This product combined with reserpine can inhibit the effect of this product and should be avoided. 5. This product combined with antipsychotic drugs can increase the adverse reactions of this product and enhance the antihypertensive effect of methyldopa.

Keep in sealed container and away from light. Valid for two years.

0.125 g

24 months