Thymalin aka Thymulin

Thymalin is an endogenous peptide involved in the immune system. Thymalin does stimulate cell-mediated immunity, enhance phagocytosis and the processes of regeneration and hematopoiesis.

It is used in the medical practice as an immunostimulant in the complex treatment of diseases followed by suppression of cell-mediated immunity. This includes inflammatory diseases, burns, trophic ulcers, consequences of radiotherapy and chemotherapy. Thymulin also can be used for a prophylaxis of postoperative complications.


The ampoule content should be dissolved in 1-2ml of water for injections. Thymalin should be administered by deep intramuscular injection.

The dosage for adults is 5-20mg daily. The length of the treatment course is 3-10 days depending on the patient condition. The course can be repeated in 1-6 months if necessary.

As a prophylaxis, the drug can be taken in the same dosage for 3-5 days.

Possible side effect is allergic reactions.

Contraindications for use are hypersensitivity to the drug, pregnancy, and lactation.