Viral Infections
- Dengue Fever white islands in a sea of red
- Chikungunya maculopapular rash, polyarthralgia
- Zika pruritic exanthem, conjunctival hyperaemia
- Mpox centrifugal vesiculopustular rash
Clinical reference · Forthcoming
Dermatological Conditions in Returned Travelers.
A structured clinical reference for physicians evaluating skin lesions in returning travelers — the third most common presenting complaint, after febrile illness and acute diarrhea.
3rd
Most common reason returned travelers seek medical evaluation — after febrile illness and acute diarrhea.
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Conditions catalogued across viral, bacterial, parasitic, fungal, arthropod, and noninfectious exposures.
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Primary evidence sources: CDC Yellow Book 2024, UpToDate, and PubMed-indexed literature.
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Why this reference
Skin complaints are the third most common reason returning travelers seek medical evaluation, after febrile illness and acute diarrhea. The presenting picture is rarely diagnostic on its own — incubation, geography, and exposure history carry as much weight as the rash itself.
Every chapter follows the same six steps: epidemiology, clinical presentation, special dermatological manifestations, diagnosis, management, and prevention. The structure is deliberate — a clinician without travel-medicine training can move through a chapter linearly, the trainee can study to the framework, and the experienced reader can jump to a single section without losing context.
Written for practicing physicians, dermatology trainees, and clinicians in infectious diseases, internal medicine, family medicine, emergency medicine, and travel-medicine programs. The reference assumes clinical fluency; it does not assume sub-specialty knowledge in tropical dermatology.
Status In review · Pre-publication
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Table of contents
What's inside the book.
Eight categories. Thirty-five conditions. Chapters are organized by transmission route — viral, bacterial, tick-borne, parasitic, lymphocutaneous, arthropod and spider, noninfectious — with a closing take-home chapter.
Bacterial Infections
- Impetigo honey-coloured crust
- Erysipelas sharply demarcated plaque
- Hot-tub folliculitis Pseudomonas aeruginosa
- Meningococcemia retiform purpura, DIC
- Anthrax painless ulcer with black eschar
- Disseminated gonorrhea
- Viral hepatitis (A, B, E)
Tick-Borne Disease
- Lyme disease erythema migrans
- Rocky Mountain spotted fever centripetal petechial rash
- African tick-bite fever multiple eschars
Parasitic Infections
- Cutaneous larva migrans serpiginous track
- Cutaneous leishmaniasis ulcerated plaque
- Scabies burrows, nocturnal pruritus
- Swimmer's itch cercarial dermatitis
- Loiasis Calabar swellings
- Gnathostomiasis migratory tracks
- Tungiasis central black dot, sand-flea
- Myiasis nodule with central punctum
Lymphocutaneous Spread
- Sporotrichosis Sporothrix schenckii
- Mycobacterium marinum
- Nocardiosis sporotrichoid pattern
Arthropod & Spider Bites
- Arthropod bites mosquitoes, fleas, lice, mites, bed bugs, sand flies
- Widow spider bites Latrodectus spp.
- Recluse spider bites Loxosceles spp.
Noninfectious Exposures
- Phytophotodermatitis UV + psoralens
- Sunburn UVB acute injury
- Allergic contact dermatitis
- Cnidarian envenomation jellyfish, Portuguese man-of-war
Take-Home Message
- When the travel history matters most
- Patterns that demand same-day workup
- When prevention is the only treatment
- Limits of a textbook in a new outbreak
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Chapter framework
Every chapter, the same six steps.
The framework is consistent across all 35 chapters. Read it once and any chapter is navigable in seconds.
Epidemiology
Where it's endemic, who's at risk, the seasons and itineraries that raise pre-test probability before a swab is sent.
Clinical presentation
Incubation, prodrome, classic signs, systemic features. What the patient says before the rash appears.
Special dermatological manifestations
The lesion specifics — morphology, distribution, pathognomonic findings, and the look-alikes that mislead.
Diagnosis
When clinical is enough, what confirms it (PCR, serology, biopsy), and what to do while results are pending.
Management
First-line therapy, second-line, supportive care, drug interactions, and the cases that need transfer or admission.
Prevention
Pre-travel counseling, vaccination, vector avoidance, post-exposure measures the clinician can recommend.
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Sample chapter
Read a chapter in the book's voice.
DRAFT
CHAPTER · 01 · VIRAL INFECTIONS
Dengue Fever
White islands in a sea of red.
A pathognomonic exanthem in the febrile returned traveler.
Epidemiology
[PLACEHOLDER — paste verbatim from manuscript chapter 1.1, section: Epidemiology. Citations should map to ¹ ² ³ ⁴ matching the citations array below.]
Clinical presentation
[PLACEHOLDER — paste verbatim from manuscript chapter 1.1, section: Clinical Presentation.]
Special dermatological manifestations
[PLACEHOLDER — paste verbatim from manuscript chapter 1.1, section: Special Manifestations. The pathognomonic phrase "white islands in a sea of red" appears in this section.]
Diagnosis
[PLACEHOLDER — paste verbatim from manuscript chapter 1.1, section: Diagnosis.]
References
- 1. CDC Yellow Book 2024
- 2. UpToDate
- 3. PMC8389143
- 4. Sivakumar A, CosmoDerma 2023;3:36
CITE THIS CHAPTER
Alsheikh A, Alruhaimi S, Alrubaiaan M. Dengue Fever. In: Dermatological Conditions in Returned Travelers. Pre-publication manuscript, 2026.
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Authors
A three-author collaboration.
The reference is co-authored by three Saudi clinicians: Dr. Afaf Alsheikh as lead, with Dr. Sahar Alruhaimi and Dr. Mishari Alrubaiaan as co-authors.
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Methodology
Built on three evidence pillars.
Each chapter draws on three sources: the CDC Yellow Book 2024 for travel-medicine epidemiology and prevention, UpToDate for first-line and second-line management, and PubMed-indexed primary literature for findings beyond standard reference texts. Citations are numbered in-line and listed at the end of each chapter.
[ CDC YELLOW BOOK 2024 ]
CDC Yellow Book 2024
The U.S. Centers for Disease Control reference for international travel medicine — the standard for endemic geography, vaccination schedules, and outbreak surveillance.
[ UPTODATE ]
UpToDate
Point-of-care clinical decision support, peer-reviewed and continuously updated. Used here for first-line therapy, dosing, and management ladders.
[ PUBMED ]
PubMed-indexed primary literature
Peer-reviewed primary studies — case series, cohort studies, and systematic reviews — cited for findings beyond what reference texts cover.
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Pre-publication access
Request the reference
Pre-publication access is currently extended to practicing physicians, dermatology trainees, and accredited medical-education programs. Each request is reviewed manually before access is granted.
Five fields. Reviewed manually. Expect a reply within a working week.
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Take-home message
Four lines — from the last page.
These four lines close the manuscript. They restate, in plain language, what the reference is for.
Skin conditions are common in returned travelers.
Travel history is critical for diagnosis.
Early recognition and treatment often improve outcomes.
Prevention includes insect-bite precautions, proper hygiene, and vaccinations.