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Thephavit is a drug in the vitamin group, which is used to treat and prevent vitamin C deficiency. The main ingredient is Ascorbic acid (vitamin C), content 500mg. To better understand the use of Thephavit, please follow the article below.
1. What is Thephavit?
Thephavit 500 contains 500mg of vitamin C (ascorbic acid) per tablet. The mechanism of action of the drug is thanks to the medicinal substance vitamin C, which is one of the water-soluble vitamins.After oral administration, vitamin C disperses and is easily absorbed by a positive mechanism, when taking high doses this absorption is limited (for example, when taking a dose of 1.5 grams of vitamin C, only 50% of the drug is absorbed). absorption), this process is also reduced in people with diarrhea, gastrointestinal diseases. The normal concentration of vitamin C in the blood ranges from 10 to 20 micrograms/ml. The amount of vitamin C in the whole body is estimated at about 1.5 grams, about 30-45 mg of the vitamin is circulated according to the daily cycle. Vitamin C has an important role in many metabolic processes: such as lipid, protid, glucid metabolism, collagen formation and some other structures in vascular connective tissue, bones and teeth. The drug catalyzes the chemical process of converting Fe+++ to Fe++ to absorb Fe into the duodenum.
The drug increases the body's resistance by creating more interferon, reducing stress, and reducing the body's sensitivity to histamine allergens. In addition, the mechanism of neutralizing free radicals of metabolic reactions in the body, protecting the integrity of cell membranes, explains the antioxidant effect of the drug.
2. Indications and contraindications of Thephavit 500
2.1. Indications Theophavit 500 is used in the following cases:
Vitamin C deficiency causes Scurvy and other bleeding disorders (such as dental and bone diseases including: bleeding gums, loose teeth, easy to fall out, gingivitis) , periosteal bleeding...) Helps the immune system to be healthy, resistance is improved when the body has colds, infections, fatigue. Support in the treatment of anemia caused by iron malabsorption. Prevention of vitamin C deficiency occurs when the diet and supplements lack balance. The drug is synergistic with antiallergic drugs to increase allergy relief. 2.2. Contraindications History of hypersensitivity to vitamin C in the form of oral, injection, infusion. Thephavit 500 is contraindicated in people with G6PD deficiency, a history of kidney stones, increased urine oxalate, oxalate metabolism disorders, and thalassemia major.
3. Dosage and how to use Thephavit
The drug is used in oral form, you should take vitamins with a full glass of water, on a full stomach (after eating) use during the day. Depending on the specific clinical situation of the patient, Thephavit is prescribed in different effective doses as directed by the doctor.
Prophylactic dose in vitamin C deficiency is 25-75 mg/day. Adults: oral treatment dose of 250 - 500 mg, divided into 2-3 times, oral course of at least 2 weeks. For children, the daily dose is 100-300 mg, divided into 2-3 times, the oral course is at least 2 weeks. Dosage when combined with desferrioxamine: Take 100-200 mg daily. Note:
The daily dose of vitamin C should not exceed 1 gram because of the risk of causing oxalate stones in the kidneys, causing hemolysis in people with G6PD deficiency.
4. Undesirable effects of Thephavit 500
Possible side effects when using Thephavit:
Signs of a hypersensitivity reaction to the drug such as difficulty breathing, rash, swelling of lips, face... Stomach pain, weakness, weight loss, feeling tired fatigue, chills, fever, difficulty urinating, frequent urination, blood, heart failure, flushing, hemolytic anemia... are common side effects. Common such as increased urine oxalate, nausea, heartburn, stomach discomfort.
5. Notes when using Thephavit
Notes when using Thephavit 500 are as follows:
Before taking the medicine, it is necessary to inform your doctor about the drugs you are taking to avoid interactions between drugs, such as Iron pills, Aspirin, fluphenazine, vitamin B12. When there is a course of taking high doses of vitamin C for a long time, you should not stop taking it suddenly, so it is prescribed by an experienced doctor. Use with caution in patients who already have kidney stones, which are prone to stone formation. At physiological doses, the drug can be used for women during pregnancy and breastfeeding. If used in large amounts, long-term need to be careful. When you feel tired, not alert, difficult to concentrate, consider operating machinery, driving while taking medicine. Above is information about Thephavit drug, hope to help readers understand what Thephavit does? If you have any questions about the drug, please see your doctor, pharmacist, medical staff for the most detailed advice and instructions.
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