The DTM&H (Diploma in Tropical Medicine & Hygiene) and the CTropMed (Certificate of Knowledge in Clinical Tropical Medicine and Travelers' Health) are the two main postgraduate qualifications in tropical medicine. They are not equivalent — they serve different audiences, test different content, and carry different career value depending on where you plan to practise.
DTM&H
Administered by: Worshipful Society of Apothecaries (UK). Previously RCP.
Format: Four papers in one day (online): two MCQ papers, one SSQ paper (preventive medicine essays), one SAQ paper (50-image parasitology). Requires completion of an approved DTM&H course including 12+ hours microscopy.
Content emphasis: Clinical tropical medicine (60%), preventive medicine and international public health (25%), NCDs (15%). Strong parasitology component with image-based identification.
Recognition: Widely recognised in the UK, Europe, Australasia, and throughout Commonwealth countries. Valued by NGOs, WHO, and humanitarian organisations. The standard tropical medicine qualification for UK-trained doctors.
Cost: Course fees (£1,670-£5,000+ depending on provider) + exam fee (£570) + travel/accommodation.
CTropMed
Administered by: American Society of Tropical Medicine and Hygiene (ASTMH).
Format: Computer-based multiple-choice examination (200 questions). No practical/parasitology identification component. Requires completion of an ASTMH-approved course.
Content emphasis: Clinical tropical medicine, travel medicine, and tropical public health. US-centric in its clinical approach and guideline references.
Recognition: Recognised primarily in North America and by US institutions. Valued in US academic medicine, travel clinics, and tropical medicine departments.
Cost: Course fees (variable) + exam fee ($400-500).
How to Choose
If you plan to work in the UK, Europe, or Commonwealth countries: DTM&H. It is the recognised standard in these regions.
If you plan to work in the US or US-affiliated institutions: CTropMed. It is the ASTMH credential.
If you want the strongest parasitology training: DTM&H. The SAQ paper and the microscopy requirement ensure practical parasitology competence that the CTropMed MCQ does not test.
If you want both: Some courses (e.g., Nagasaki) are approved by both ASTMH and the Apothecaries, allowing you to sit both exams from a single course.
Preparation
For either qualification, the iatroX DTM&H Q-Bank provides curriculum-mapped preparation covering clinical tropical medicine, parasitology, and preventive medicine. The clinical knowledge overlaps substantially between the two exams — the primary difference is in format (MCQ-only for CTropMed vs four-paper format for DTM&H) and guideline alignment (US vs UK/WHO).