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Dr Michael Loubser

Consultant Paediatrician

Dr Michael Loubser has a reputation for putting families and children at ease.  Over the past 28 years, he has become renowned for his comprehensive care and expertise in dealing with complex cases.

Dr Loubser did his basic medical studies at the University of Witwatersrand in Johannesburg, South Africa. After graduating he received a Medical Research Council Scholarship to pursue studies in bone metabolism and then went on to continue his professional development in Paediatrics in the UK and South Africa. He completed sub-specialist training in Immunology and Allergy at the Hospital for Sick Children in Toronto, Canada where he was appointed Assistant Professor of Paediatrics at the University of Toronto and Staff Physician in the Division of Immunology and Allergy at The Hospital for Sick Children. 

In South Africa at the University of the Witwatersrand, Dr Loubser has held Honorary Senior Lectureships in the Department of Child Health and the Department of Immunology in the School of Pathology.

In the Middle East, he has worked as a Senior Consultant Paediatrician at the King Fahad National Guard Hospital in Riyadh, the Head of Allergy and Immunology at the King Faisal Specialist Hospital in Riyadh, and as Chief of Paediatrics at the American Hospital Dubai.

Dr Loubser opened and managed Infinity Family Medicine clinic in 2007, he sold Infinity in 2019 and moved to Circle Care Clinic where he helped open that clinic.

He is a member of the European Society for Immune Deficiency and the Clinical Immunology Society.

Dr Loubser brings unparalleled medical excellence to everything he does, and his efforts provide the highest standards of medical care that he can for the families he serves.


  • J M Patel, Keene, P A C, F P., Loubser M D., and Mendelow, B V. Selective Culture of Primate Marrow-derived Macrophages in Medium Devoid of Protein Additives. Journal of Experimental Haematology. 1989; 17:96-101.
  • Loubser, MD, Hoh,M., and Sreeram, N. Sudden Death in Incomplete Kawasaki Disease. Archives of Diseases in Childhood. 1989; 64:637-638.
  • Loubser, MD, Mahoney, P., and Milligan, D W A. Hazards of Routine Endotracheal Suction in the Neonatal Unit. The Lancet. 1989; 24 June p1444-1445.
  • I R Friedland and Loubser, M D. Prolonged Salmonella Bacteraemia Associated with Schistosomiasis in an Infant. Transaction of the Royal Society of Tropical Medicine and Hygiene. 1990; 84:121.
  • Loubser, MD Limb Pain in Childhood. CME South Africa’s Continuing Medical Education Monthly. 1993; 11: 1305-1317.
  • Loubser, MD, Davies, V A., Meyers, K E C and Christianson, A L. Severe Illness Caused by Rickettsia Canorii. Annals of Tropical Pediatrics. 1993; 13:277-280.
  • Loubser MD, Meydan, N., and Roifman, C.M. Approach to the Child with Primary Immune Deficiency. Pract Allergy Immunol. 1994;3:166-126.
  • Santisteban, Arredondo-Vega, F X., Kelly, S., Loubser, M D, Meydan, N., Roifman, C., Howell, P L., Bowen, T., Weinberg, K I., Schroeder, M L., Hershfield, M S. Three new adenosine deaminase mutations that define a splicing enhancer and cause severe and partial phenotypes: implications for evolution of a CpG hotspot and expression of a transduced ADA cDNA. Human Molecular Genetics. 1995; 4:2081-2087.
  • Loebstein, R., Dalal, I., Nisbet-Brown, E., Berkovitch, M., Meydan, N., Andrews, D., Loubser, M D, Koren, G., Roifman, C M., Olivieri, N F. Immune function in patients with B-thalassaemia receiving the orally active iron-chelating agent deferiprone. Br J Haematol. 1997 Sep;98(3):597-600.
  • Arredondo-Vega FX, Santisteban I, Richard E, Bali P, Koleilat M, Loubser M, Al-Ghonaium A, Al-Helali M, Hershfield MS. Adenosine deaminase deficiency with mosaicism for a “second-site suppressor” of a splicing mutation: decline in revertant T lymphocytes during enzyme replacement therapy. Blood. 2002 Feb 1;99(3):1005-13.
  • Picard C, Fieschi C, Altare F, Al-Jumaah S, Al-Hajjar S, Feinberg J, Dupuis S, Soudais C, Al-Mohsen IZ, Genin E, Lammas D, Kumararatne DS, Leclerc T, Rafii A, Frayha H, Murugasu B, Wah LB, Sinniah R, Loubser M, Okamoto E, Al-Ghonaium A, Tufenkeji H, Abel L, Casanova JL. Inherited interleukin-12 deficiency: IL12B genotype and clinical phenotype of 13 patients from six kindreds. Am J Hum Genet. 2002 Feb;70(2):336-48.
  • Ferrari S, Giliani S, Insalaco A, Al-Ghonaium A, Soresina AR, Loubser M, Avanzini MA, Marconi M, Badolato R, Ugazio AG, Levy Y, Catalan N, Durandy A, Tbakhi A, Notarangelo LD, Plebani A. Mutations of CD40 gene cause an autosomal recessive form of immunodeficiency with hyper IgM. Proc Natl Acad Sci U S A. 2001 Oct 23;98(22):12614-9.
  • Loubser MD A Practical Approach to Antibody Deficiency Syndromes. Current Allergy and Clinical Immunology 2005 Nov 18 (4):169-174.
  • Fernandes JF1, Rocha V, Labopin M, Neven B, Moshous D, Gennery AR, Friedrich W, Porta F, Diaz de Heredia C, Wall D, Bertrand Y, Veys P, Slatter M, Schulz A, Chan KW, Grimley M, Ayas M, Gungor T, Ebell W, Bonfim C, Kalwak K, Taupin P, Blanche S, Gaspar HB, Landais P, Fischer A, Gluckman E, Cavazzana-Calvo M; Eurocord and Inborn Errors Working Party of European Group for Blood and Marrow Transplantation. Transplantation in patients with SCID: mismatched related stem cells or unrelated cord blood? Blood 2012 Mar 22;119(12):2949-55
  • Pavlovic MA and Loubser MD. Paroxysmal Acral Haematoma is a More Appropriate Name for Achenbach Syndrome. Clin and Exp Derm 2019 44:18-19e
  • Pavlovic, MD and Loubser MD. The Effect of Platelet-rich Plasma Injection for Rejuvination of Photoaged Facial Skin: A randomized Clinical Trial. JAMA Dermatology JAMA Dermatol. 2019 Jun 1;155(6):755