Valparin XP instructions for use
- Valparin XP instructions for use
Valparin XP refers to drugs of the antiepileptic group. It is prescribed for diseases accompanied by convulsive syndrome.
Release form and composition
Valparin XP is a long-acting drug. The drug is produced in the form of tablets. One dosage form is presented in the form of white, round and biconvex tablets, containing 200 mg of valproate and 87 mg of valproic acid in sodium. Another dosage form is presented in the form of white, oblong tablets with a notch on both sides, having in the composition of sodium valproate 333 mg and valproic acid 145 mg.
Ethyl cellulose, silicon dioxide, hydroxypropyl methyl cellulose, silica hydrate, glycerin, titanium dioxide, polyethylene glycol, and purified talc are used as auxiliary components.
The drug belongs to the category of antiepileptic drugs. The mechanism of action is based on the fact that valproic acid stimulates the production and helps the accumulation of gamma-aminobutyric acid in the central nervous system, including in postsynaptic neurons.
As a result, the spread of excitation of the central nervous system is inhibited, epileptic activity is suppressed, a moderate sedative effect is manifested.
The drug reduces the transport of calcium ions to neurons, which leads to a weakening of the electrical impulse and general inhibition.
Compared with other representatives of this category of drugs, Valparin XP does not show a strong hypnotic and sedative effect. The drug does not inhibit the activity of the excretory system, does not lower the heart rate, does not suppress the function of the respiratory center.
The drug reduces the severity of convulsive seizures, reduces the likelihood of epilepsy attacks, inhibits the progression of the disease.
Therapeutic concentration of the main active substance is reached in 2-8 hours after taking the drug. Drug metabolism occurs in the liver. Excreted in the urine.
Indications for use
The drug is prescribed for the treatment of partial or generalized epilepsy, in the case of the following types of seizures:
- secondary generalized seizures;
- combined or simple seizures.
Also, the drug is prescribed for the treatment of specific Lennox-Gastaut syndrome and West syndrome.
The use of anticonvulsant tablets Valparin XP is not permitted under the following conditions:
- complex pathology of the pancreas;
- any diseases that have abnormal liver function;
- breastfeeding period;
- age up to 3 years;
- individual intolerance;
The required dosage should be chosen individually depending on the patient's age, body weight and the complexity of the disease. Adult therapy begins with a dose of 600 mg per day. Taking pills can be done 1-2 times a day. The next 3 days gradually increases the dosage of 200 mg to achieve the desired effect. The maximum dose per day is 2 grams.
Children are allowed to take 400 mg per day, with a further 30 mg adjustment every 2-3 days. The multiplicity of reception is also 1-2 times a day. For children with a body weight below 20 kg, Valparin XP is not recommended.
Tablets need to be swallowed without chewing and washing down with the necessary amount of water.
Accidental overdose of the drug Valparin XP leads to the development of the following symptoms: dizziness, nausea, vomiting, diarrhea, confusion, coma, a decrease in the severity of reflexes, respiratory depression.
Treatment of overdose is carried out using gastric lavage and the appointment of activated carbon. In severe cases, the patient is prescribed inpatient treatment requiring symptomatic therapy and hemodialysis.
From the side of the central nervous system: tremor, coma, ataxia, impaired consciousness.
On the part of the digestive tract: nausea, vomiting, constipation or diarrhea, pancreatitis , hepatitis.
From the side of hematopoiesis: neutropenia, thrombocytopenia, anemia, a decrease in the level of fibrinogen, leukopenia, a decrease in platelet aggregation.
On the part of the reproductive system: secondary amenorrhea , irregular menstruation.
Allergic reactions: itching, skin rash, erythema multiforme, photosensitivity, Stevens-Johnson syndrome.
Other: creatinemia, hyperammonemia, weight gain, hair loss.
You should regularly monitor the activity of transaminases, check the level of bilirubin, amylase and blood platelets.
Valproic acid inhibits platelet aggregation, which increases the risk of increased blood coagulation during bleeding. It is necessary to consider the complications associated with bleeding in the period after surgery in patients taking this drug.
In the case of prolonged use of the drug Valparin XP, spontaneous bleeding and hematoma may occur. You must immediately cancel the medication.
Often in the first 6 months of treatment, the drug can cause an abnormal liver function and drug pancreatitis. Therefore, the first 23 months of therapy, it is desirable to monitor the level of prothrombin, to conduct liver function tests and monitor the state of the pancreas.
The drug should be immediately canceled in case of the following symptoms - vomiting, yellowness of the skin, severe weakness, swelling, lethargic condition.
While taking the drug, you must be careful when working with dangerous machinery and driving vehicles, because the drug reduces the ability to concentrate.
The drug enhances the effect of antidepressants, anticonvulsants and antipsychotics. Valparin XP differs from other anticonvulsant drugs in that it does not affect the induction of liver enzymes. Due to this property, it does not reduce the effectiveness of oral contraceptives.
Combined use of warfarin leads to its reduced binding to plasma proteins.
Sodium valproate affects the concentration of lamotrigine and phenytoin in the blood plasma.
Parallel administration of acetylsalicylic acid derivatives and anticoagulants enhances the antiagregat action.
Pregnancy and lactation
During pregnancy, the drug can be prescribed only if the benefit to the mother is significantly higher than the perceived risk to the fetus. In such a situation, it is necessary to conduct specialized prenatal monitoring of the fetus.
Do not use the drug during breastfeeding.
Terms and conditions of storage
The drug should be stored at a temperature of 30 g C, in a dry place not accessible to children. Duration of storage of the drug is 3 years from the date of issue.
Pharmacy sales terms
Valparin XP is allowed to be released from pharmacies only by prescription.
Valparin XP price
Valparin XP tablets 300mg - 190-240 rubles.
Valparin XP tablets 500mg - 230-350 rubles.