Guttate psoriasis seems to occur most often in children, teenagers and young adults, although it can occur in older adults too. It is often triggered after a streptococcal throat infection, and so those who are prone to this type of infection may experience repeated occurances. In some cases, other viral or bacterial infections may trigger a flare up.
Although antibiotics are sometimes prescribed for psoriasis there is mixed evidence as to whether antibiotics really make a difference to treating the condition.
Although streptococcal infection can trigger guttate psoriasis, this on its own is not a reason to have tonsils removed, as a tonsillectomy is not necessarily effective at preventing further bouts of guttate psoriasis.
A doctor may, however, advise you to make an appointment whenever you have a sore throat, so that antibiotics can be prescribed quickly. This early treatment may stop the psoriasis from developing, or stop the flare up from becoming too bad. However, guttate psoriasis may be chronic and completely unrelated to streptococcal infection.
The evidence surrounding use of antibiotics in treating psoriasis is very limited. Guttate psoriasis treatment is likely to begin with topical treatments (applied to the skin) including steroid creams, vitamin D applications, or coal tar applications.
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Next review: 03 June 2022