Health Guide

Thymic extract

What is it?

Thymic extract is an herbal medicine used to treat male infertility, breast and uterine cancer, hepatitis B, and human immunodeficiency virus (HIV) infections. It is also used to treat eye and respiratory (breathing) infections and immune system diseases. The immune system is the part of the body that fights infection.

Ask your doctor, nurse, or pharmacist if you need more information about this medicine or if any information in this leaflet concerns you.

Before Using:

Tell your doctor if you

  • are taking medicine or are allergic to any medicine (prescription or over-the-counter (OTC) or dietary supplement)
  • are pregnant or plan to become pregnant while using this medicine
  • are breastfeeding
  • have any other health problems, such as high blood pressure or heart or blood vessel disease


Talk with your caregiver about how much Thymic Extract you should take. The amount depends on the strength of the medicine and the reason you are taking Thymic Extract. If you are using this medicine without instructions from your caregiver, follow the directions on the medicine bottle. Do not take more medicine or take it more often than the directions tell you to.

To store this medicine:

Keep all medicine locked up and away from children. Store medicine away from heat and direct light. Do not store your medicine in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the medicine to break down and not work the way it should work. Throw away medicine that is out of date or that you do not need. Never share your medicine with others.


  • Before taking Thymic extract, tell your doctor if you are pregnant or breastfeeding

Side Effects:

Stop taking your medicine right away and talk to your doctor if you have any of the following side effects. Your medicine may be causing these symptoms which may mean you are allergic to it.

  • Breathing problems or tightness in your throat or chest
  • Chest pain
  • Skin hives, rash, or itchy or swollen skin

Other Side Effects:

You may have the following side effects, but this medicine may also cause other side effects. Tell your doctor if you have side effects that you think are caused by this medicine.

  • Thrombocytopenia (low number of platelets in blood)


1. Coppola S, Buccoliero G, Laddago V et al: Topical thymopentin therapy in HIV positive patients with recurrent oral candidiasis: a pilot study. Microbiologica 1996; 19(4):351-356.

2. Zivanovic A, Arsenijevic S, Ristic P et al: Treatment of asthenozoospermic men with Thymex-L. J Thymol 1996; 4:390-393.

3. Crisan M, Stugran C, Gal O et al: In vivo effects of thymic hormones (Imunotim) on immunologic parameters of patients with secondary immunodeficiency diseases. Roum Arch Microbiol Immunol 1992; 51(4): 213-224.

4. Dworniak D, Tchorzewski H, Pokoca L et al: Treatment with thymic extract TFX for chronic active hepatitis B. Archiv Immunol Ther Exper 1991; 39(5/6):537-547.

5. Zeman K, Dworniak D, Tchorzewski H et al: Effect of thymic extract on allogeneic MLR and mitogen-induced responses in patients with chronic hepatitis B. Immun Invest 1991; 20(7):545-555.

6. Corradi G, Cappellari A, Pomari R et al: Morphometric analysis of peritumoral lymph nodes in patients operated on for uterine cancer, locally treated with a thymic extract. Med Oncol Tumor Pharmacother 1989; 6(4):271-274.

7. Covelli V, Munno I, Altamura M et al: Administration of thymopentin to patients with phobic disorders improves depressed phagocytic functions. Immunopharmacol Immunotoxicol 1990; 12(4):619-631.

8. Maffione AB, Jirillo E, Munno I et al: Cancer patients undergoing chemotherapy possess a reduced number of binding sites for salmonella organisms on peripheral blood lymphocytes. Effects of timostimolina (TP-1) administration. Eos Riv Immunol Immunopharm 1991; 11(4):145-148.

9. Lin C-Y & Lo S: Treatment of hepatitis B virus-associated membranous nephropathy with adenine arabinoside and thymic extract. Kidney Int 1991; 39(2):301-306.

10.Stambuk N, Stambuk V & Pesic MC: Effect of adjuvant immunotherapy with thymic extract Thymex-L in herpetic keratitis. Int J Thymol 1995; 3(5):252-257.

11.Ceci A, Terlizzi M, Toma MG et al: Heterogeneity of immunological patterns inLangerhan's histiocytosis and response to crude calf thymic extract in 11 patients. Med Ped Oncol 1988; 16(2):111-115.

12.DeMattia D, Decandia P, Ferrante P et al: Effectiveness of thymostimulin and study of lymphocyte-dependent antibacterial activity in children with recurrent respiratory infections. Immunopharmacol Immunotoxicol 1993; 15(4):447-459.

Last Updated: 7/4/2018
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