| Time to onset of rash after starting the drug | Cutaneous drug reaction |
|---|
| Hours/days | Urticaria/angio-oedema, contact urticaria, fixed drug eruption, vasculitis/urticarial vasculitis | | Weeks | Toxic erythema, Stevens-Johnson syndrome, toxic epidermal necrolysis, erythema multiforme, acute generalised exanthematous pustulosis, contact dermatitis, erythroderma, photosensitive eruptions | | Months | DRESS, Stevens-Johnson syndrome, pigmentation changes (Figure 7-2), contact dermatitis |
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