In addition to tiny bumps along the skin, ringworm has a raised border around scaly patches of skin. You may confuse chickenpox with impetigo. This infection has itchy and small, fluid-filled blisters too. But similar to scabies, chickenpox causes severe itching. The itch will also be accompanied by other symptoms.
These include a fever, a headache, and loss of appetite. Impetigo also differs from other skin rashes in terms of its duration. If treated with antibiotics, impetigo normally clears up in about a week, explains Dr. If left to heal on its own, the rash will usually heal without scarring in two to four weeks. Chickenpox has a shorter duration. It also clears up on its own, but lasts only about 5 to 10 days.
You will need to see your doctor and apply topical medicine to kill the mites. The good news is that this medicine works quickly, and one treatment applied from your neck down is usually enough to kill mites and their eggs. But while scabies treatment is fast, itching may continue for a few weeks. A ringworm rash improves within two weeks with treatment. Over-the-counter medication is effective, but a prescription antifungal is often needed to treat stubborn ringworm.
Like impetigo, this rash disappears on its own. Unfortunately, it can take months and even years for these skin bumps to clear. Impetigo is a bacterial skin infection caused by either the staphylococcal staph bacterium or the streptococcal strep bacterium.
If you or your child has a cut, scrape, or insect bite , the staph or strep bacteria can invade the body and cause a superficial infection on the top layer of skin. This cause differs from other skin rashes. Scabies is caused by a mite, whereas ringworm is a fungal infection. Impetigo is also unique because while this infection can develop in anyone, it is more common in children and infants, explains Charles I.
That's why people with impetigo should keep the sores covered when they go to school or other public places. After you take the medicine for least 24 hours, the impetigo isn't contagious anymore. After 3 days, the sores should begin to heal. Your mom or dad should call the doctor if you develop a fever or if you don't get better after taking the medicine for a few days.
Your parent should call the doctor right away if skin around the impetigo sore becomes red, warm, swollen, or painful if you touch it. If someone in your family or a friend has impetigo, don't touch that person's skin. Also steer clear of his or her clothes, towels, sheets, and pillows. The bacteria that cause impetigo can live on all these things.
Your parent should wash these items in very hot water. Larger text size Large text size Regular text size. Kids seem to get it more than adults do, but impetigo can affect anyone. What Causes Impetigo? Community-associated methicillin-resistant Staphylococcus aureus CA-MRSA is a strain of "staph" bacteria resistant to antibiotics in the penicillin family, which have been the cornerstone of antibiotic therapy for staph and skin infections for decades.
CA-MRSA previously infected only small segments of the population, such as health care workers and persons using injection drugs.
While CA-MRSA bacteria are resistant to penicillin and penicillin-related antibiotics, most staph infections with CA-MRSA can be easily treated by health care practitioners using local skin care and commonly available non-penicillin-family antibiotics. Staph infections typically start as small red bumps or pus-filled bumps, which can rapidly turn into deep, painful sores.
If you see a red bump or pus-filled bump on your child's skin that is worsening or showing any signs of infection ie, the area becomes increasingly painful, red, or swollen , see the child's doctor right away. Many people believe incorrectly that these bumps are the result of a spider bite when they arrive at the doctor's office. Your doctor may need to test culture infected skin for MRSA before starting antibiotics. If your child has a skin problem that resembles a CA-MRSA infection or a culture that is positive for MRSA, the doctor may need to provide local skin care and prescribe oral antibiotics.
To prevent spread of infection to others, infected wounds, hands, and other exposed body areas should be kept clean and wounds should be covered during therapy. In addition to measures for mild impetigo already mentioned, the doctor may prescribe: Topical antibiotics usually mupirocin Oral antibiotics cephalosporins, amoxicillin, cloxacillin, dicloxacillin, erythromycin, or clindamycin If your child's doctor prescribes antibiotics, be sure the child takes the full course.
Bolognia, Jean L. Dermatology , pp. Bullous impetigo Bullous impetigo causes fluid-filled blisters — often on the trunk, arms and legs of infants and children younger than 2 years. Ecthyma Open pop-up dialog box Close. Ecthyma A more serious form of impetigo, called ecthyma, penetrates deeper into the skin — causing painful fluid- or pus-filled sores that turn into deep ulcers.
Request an Appointment at Mayo Clinic. Share on: Facebook Twitter. Show references AskMayoExpert. Mayo Clinic; Baddour LM. Accessed Jan. Ferri FF, et al. Diseases and disorders. Elsevier; Kliegman RM, et al.
Cutaneous bacterial infections. In: Nelson Textbook of Pediatrics.
0コメント