When taking Japanese vitamin C (Cinal), attention should be paid to dosage control, medication for special populations, and drug interactions. Storage should be kept away from light, moisture, and dry. The following is a detailed explanation of specific precautions and storage requirements:

1. Precautions for use

(1) Dosage control: The recommended daily intake for adults should not exceed 2000mg, as long-term excessive intake may increase the risk of kidney stones.

(2) Dosage: It is recommended to take it after meals to reduce gastrointestinal irritation and avoid taking it with hot drinks to avoid damaging the efficacy.

2. Taboos for special populations

(1) Kidney disease patients: It is necessary to strictly follow the doctor's advice to adjust the dosage and regularly monitor renal function indicators.

(2) Pregnant women during lactation: Exceeding the recommended dosage may affect fetal development. It is recommended to consult a doctor before use.

3. Drug interactions

(1) Anticoagulants: may enhance the efficacy of warfarin, and coagulation function monitoring should be strengthened when used in combination.

(2) Aluminum preparation: Vitamin C promotes aluminum absorption and should be taken at least 2 hours apart.

4. Adverse reaction monitoring

(1) Digestive system: If persistent diarrhea or abdominal pain occurs, medication should be reduced or stopped.

(2) Allergic reactions such as rash and difficulty breathing require immediate medical attention.

5. Storage conditions

(1) Environmental requirements: Store at room temperature (20-25 ° C), avoid direct sunlight and humid environments.

(2) Packaging maintenance: Keep the original packaging sealed, and be careful to prevent moisture and spoilage after opening.

6. Other precautions

(1) Avoid taking with alkaline substances such as baking soda, which may neutralize the acidity of vitamin C.

(2) Regular check ups: Long term users are recommended to have their urine routine and kidney function tested every six months.