Semax

Semax uses

• Pharmacological action
• Pharmacokinetics
• Why is Semax prescribed?
• Dosage and administration
• Semax side effects, adverse reactions
• Semax contraindications
• Using during pregnancy and breastfeeding
• Special instructions
• Semax drug interactions
• Semax in case of emergency / overdose
• Semax reviews

Pharmacological action

Semax is an antidepressant. The mechanism of action is associated with selective blockade of the inverse of neuronal serotonin in the synapses of neurons of the CNS. Semax lacks or has a very weak ability to bind to histamine, m-choline- and adrenoreceptors.

Pharmacokinetics

After oral administration C_max of Semax in plasma is achieved within 2-4 hours. The oral bioavailability is about 80%. Changes in plasma concentrations of Semax are linear. C_ss in the plasma is established within 1-2 weeks of therapy.

Binding to plasma proteins is less than 80%.

In blood plasma Semax is present mainly in unchanged form. This drug is metabolized by demethylation, deamination and oxidation.

T_1/2 is 1.5 days.

Semax is excreted by the kidneys and the bowel.

Why is Semax prescribed?

Depression of various etiologies, panic disorder, obsessive-compulsive disorder.

Dosage and administration

Semax is taken oral 1 time / day.

For adults depending on the evidence the initial dose of Semax is 10-20 mg / day, if necessary, it may be increased up to 60 mg / day. For patients older than 65 years the dose is 20 mg / day, if necessary, it may be increase to 40 mg / day.

Semax side effects, adverse reactions

Digestive system: frequently - dry mouth, nausea.

CNS: frequently - drowsiness, tremor, and in rare cases - seizures.

Cardiovascular system: possible slight decrease in heart rate.

Other: often - increased sweating.

Adverse reactions are usually transient and weakly expressed. They occur mainly during the first 2 weeks of treatment and usually decrease significantly with the improvement of the patient with depression.

Semax contraindications

Hypersensitivity to Semax; simultaneous taking MAO inhibitors.

Using during pregnancy and breastfeeding

Safety of Semax during pregnancy and lactation has not been established. Use of the drug is justified only in cases where the potential benefits of therapy to the mother justifies the potential risk to the fetus and child.

In experimental studies there was revealed no teratogenic effects and any effect of Semax on reproduction and prenatal development of the fetus.

Special instructions

In patients with liver failure Semax should be used in minimal doses.

At weak and moderate renal insufficiency it does not require correction of dosing regimen of Semax Meliapharm, the information on the application in severe renal failure is absent.

During the treatment period with Semax it is possibly a slight decrease in heart rate that has no clinical significance, however, patients with initially reduced heart rate Semax may cause a more pronounced bradycardia.

The efficacy and safety of Semax in children has not been established.

Semax should not be used concurrently with MAO inhibitors.

Patients should be prescribed with care for Semax in highest dose and high doses of cimetidine.

It should be borne in mind that patients with depression are often a decrease in ability to concentrate which can be exacerbated by the use of psychotropic drugs.

Semax drug interactions

Simultaneous administration of Semax with: