Like you, I’ve had little training in dermatology most of what I know was learned on the job and through continuing education. In erythema multiforme, the characteristic target lesions remain fixed for multiple days, as opposed to the transient lesions of urticaria.Nummular eczema is common during the winter months, with crusting, hyperpigmented, coin-shaped plaques on the lower legs, dorsal hands, and extensor surface of the arms.Psoriasis is suggested when lesions occur on the extensor surfaces of the limbs, umbilical region, and sacrum.As a general rule, the individual lesions last less than 24 hours. Urticaria produces wheals and well-defined, erythematous superficial swelling of the dermis.Pityriasis rosea produces diffuse eruption on the trunk and proximal extremities with oval-shaped, scaly plaques.Localized granuloma annulare produces annular lesions with smooth, non-scaly contours.Tinea corporis produces well-demarcated, erythematous, dry, and scaly lesions with raised red borders and central clearing.Annular skin lesions are round with central clearing, whereas nummular lesions are round with discrete margins without central clearing.What is vitamin K deficiency bleeding? (2018).Purpuric and petechial rashes in adults and children: Initial assessment. Petechial and purpuric eruption induced by lidocaine/prilocaine cream: A rare side effect. Roldán-Marin, R, & de-la-Barreda Becerril, F.gov.au/For-health-professionals/Emergency-Department-Guidelines/Petechiae diseases-conditions/meningitis/symptoms-causes/syc-20350508 diseases-conditions/sepsis/symptoms-causes/syc-20351214 symptoms/petechiae/basics/causes/sym-20050724 diseases-conditions/leukemia/symptoms-causes/syc-20374373 diseases-conditions/rocky-mountain-spotted-fever/symptoms-causes/syc-20361032 gov.au/For-health-professionals/Emergency-Department-Guidelines/Immune-thrombocytopaenic-purpura clinicalguide/guideline_index/fever_and_petechiae_purpura/ You can learn more about how we ensure our content is accurate and current by reading our editorial policy. Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. You should make sure you get enough vitamin K in your diet to prevent a deficiency. Most infants get a vitamin K shot at birth to prevent a deficiency. Your doctor will try to determine the cause of the condition. Often this condition clears up on its own after six months in children adults generally need treatment. You may be prescribed antibiotics or need prolonged rest and increased fluids to fight the infection and build up strength. Treatment will depend on the type of infection. Some treatments for serious conditions associated with petechiae include: For example, if you have Henoch-Schölein purpura, you may have the condition for about a month, and the spots will fade during that time. The time it takes for the petechiae to fade can vary based on the cause. They may also go away as you treat the underlying condition causing the spots. You may notice that the spots fade as you recover from an infection or stop taking a medication. You can’t do anything to treat petechiae, as it’s a symptom of something else. Other symptoms include fatigue, weaknesses, joint pain, and bleeding gums. You may get scurvy if you don’t get enough vitamin C. Vitamin K deficiencies may occur in infants because they aren’t born with enough of the vitamin and may not get enough until they begin eating solid foods at 4 to 6 months old. Other symptoms include bruising, a pale completion, yellow eyes, and nosebleeds. Lack of vitamin K may cause this symptom to appear because it affects bleeding.
Some other symptoms include fever, chills, headaches, muscle aches, and confusion. You may get this bacterial infection from a tick bite. You may experience changes to your blood pressure as well as your breathing. You may develop sepsis if your body’s response to the release of chemicals to fight infection is out of balance. Other symptoms include abdominal pain, kidney inflammation, and arthritis. This occurs when your blood vessels become inflamed. Symptoms include bruising and bleeding in the mouth and nose. Children often have immune thrombocytopenic purpura. This condition occurs when your blood platelets decrease. Other symptoms may include weight loss, fever, swollen lymph nodes, bruising, and nosebleeds. This is a type of cancer that affects your blood as well as your bone marrow. Some other symptoms include fever, a stiff neck, vomiting, and headaches. This infection affects your brain and spinal cord and can be very serious.
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