Flunarizine Hydrochloride Capsules
Function and Efficacy
This product is a calcium channel blocker. It can prevent cell damage caused by pathological intracellular calcium overload due to ischemia and other reasons. This product has the following effects: 1. Relieve vasospasm, and have a lasting inhibitory effect on persistent vasospasm caused by vasoconstrictor substances, especially on the basilar artery and internal carotid artery. Its effect is 15 times stronger than that of cerbrine. 2. Vestibular inhibitory effect, which can increase blood flow in the cochlear arterioles and improve vestibular organ circulation. 3. Anti-epileptic effect, this product can block pathological calcium overload of nerve cells and prevent paroxysmal depolarization and cell discharge, thereby avoiding epileptic seizures. 4. Protect the myocardium and significantly reduce ischemic myocardial damage. 5. Flunarizine also has the effect of improving renal function and can be used for chronic renal failure; in addition, this product also has anti-histamine effect.
Ingredients
The main ingredient of this product is flunarizine hydrochloride. The chemical name is: (E)-1-[bis(4-fluorophenyl)methyl]-4-2(2-propenyl-3-phenyl)-piperazine dihydrochloride. Its structural formula is: Molecular formula: C26H26F2N22HCl Molecular weight: 477.42
| Name | Description | Content | CAS NO. | Manufacturer |
|---|---|---|---|---|
| Flunarizine dihydrochlorideIngredients |
This product is a calcium channel blocker that can prevent cell damage caused by pathological intracellular calcium overload due to ischemia and other reasons; it has the effects of relieving vasospasm, vestibular inhibition, anti-epileptic effect, myocardial protection, improving renal function and anti-histamine effect. More |
30484-77-6 | 25 |
Appearance
This product is in the form of capsules.
Indication
(1) Insufficient cerebral blood supply, vertebral artery ischemia, cerebral thrombosis, etc. (2) Tinnitus, dizziness. (3) Prevention of migraine. (4) Auxiliary treatment of epilepsy.
Usage and Dosage
1 For central vertigo and peripheral vertigo, including vertebrobasilar artery insufficiency, use 10-20 mg of flunarizine per day, 2-8 weeks as a course of treatment. 2 For idiopathic tinnitus, use 10 mg of flunarizine once a night, 10 days as a course of treatment. 3 For intermittent claudication, use 10-20 mg of flunarizine per day. 4 For migraine prevention, use 5-10 mg of flunarizine twice a day. 5 For cerebral arteriosclerosis and recovery period of cerebral infarction, use 5-10 mg of flunarizine per day.
Adverse Reactions
1 Adverse reactions of the central nervous system include: ① Drowsiness and fatigue are the most common. ② Depression may occur in long-term users, which is more common in female patients. ③ Extrapyramidal symptoms, manifested as involuntary movements, mandibular movement disorders, rigidity, etc. Most of them appear after 3 weeks of medication and disappear after stopping the medication. It is more likely to occur in the elderly. ④ A small number of patients may experience insomnia, anxiety and other symptoms. 2 Gastrointestinal symptoms are manifested as: burning sensation in the stomach, hyperappetite, increased food intake, and weight gain. 3 Others: A small number of patients may experience symptoms such as rash, dry mouth, galactorrhea, muscle aches, etc. But most of them are transient and can be relieved by stopping the medication.
Precautions
This drug is contraindicated if you have a history of allergy to it or a history of depression, and it is contraindicated in patients with acute cerebral hemorrhagic disease.
Special Population Medication
Precautions for children: Since this drug can pass through the blood-brain barrier, it has clear adverse reactions in the central nervous system and the central nervous system of children is sensitive to the drug; the metabolic function is relatively weak. Although there is no detailed research data on the use of drugs in children, in principle, children should be cautious or avoid using this drug. Precautions for pregnancy and lactation: Since this drug can pass through the placental barrier and can be secreted with breast milk, although there are no reports of teratogenicity and effects on embryonic development, in principle, pregnant women and lactating women should not use this drug. Precautions for the elderly: Since the nervous system of elderly patients is more sensitive and their metabolic capacity is weaker, the dosage should be reduced as appropriate.
Drug Interactions
1. When used in combination with alcohol, hypnotics or sedatives, the sedative effect is aggravated. 2. When used in combination with phenytoin sodium and carbamazepine, the blood concentration of flunarizine can be reduced. 3. When used in combination with cinnarizine in patients undergoing radiotherapy, it can increase the killing power of tumor cells. 4. Adding flunarizine to anti-epileptic drug treatment can improve the anti-epileptic effect.
Storage
Keep away from light and store in sealed container.
Packaging Specification
5mg (based on C26H26F2N2)
Validity Period
36 months
Manufacturer
Heilongjiang Aolida NED Pharmaceutical Co., Ltd.
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Founded in:
2001-12-27 -
Address:
No. 18, Economic Development Zone, Qing'an County, Suihua City, Heilongjiang Province -
Tax NO.:
912312007336583363 -
Registered Funds:
35 million yuan -
Email: