Varicella zoster virus infection (varicella)
Frequency
Common
Age Group
Children
Progression
Self-Limiting
Contagious
Yes
Chickenpox is a highly contagious infection caused by the varicella zoster virus, usually affecting children. It starts with fever and tiredness, followed by an itchy red rash that turns into fluid-filled blisters and then crusts. In healthy kids it usually clears on its own in about 7–10 days, but it can be dangerous for infants, pregnant women, adults, and people with weak immune systems. After chickenpox, the virus stays in the body and can later cause shingles.
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Chickenpox is caused by the varicella zoster virus, which spreads mainly through droplets in the air when an infected person coughs or sneezes, and by direct contact with blister fluid. After the first infection, the virus stays in the body for life and can later reactivate as shingles.
Chickenpox is most common in children, especially in group settings like daycare and school. The highest risk of severe disease and complications is in infants, adults, pregnant women without immunity, and people with weakened immune systems.
In healthy children, chickenpox is usually treated at home with rest, fluids, fever reducers like paracetamol, and anti-itch measures such as soothing lotions and antihistamines. High‑risk patients (pregnant women without immunity, adults, and people with weak immune systems) may need antiviral medicines like acyclovir and sometimes hospital care. Avoid scratching, keep nails short, and never give aspirin to children with chickenpox.
The best way to prevent chickenpox is vaccination, which gives strong protection against severe disease. Infected people are contagious from 1–2 days before the rash until all blisters have crusted, so they should stay home from school, work, and public places during this time. Avoid close contact between sick children and pregnant women or people with weak immune systems.
You should see a doctor if you suspect chickenpox, especially in infants, adults, pregnant women, or anyone with a weak immune system. Seek urgent care if there are breathing problems, confusion, very high fever, severe headache, or rapidly worsening redness and pain around the spots.
Most healthy children with chickenpox can be managed at home and seen by a doctor within 24–48 hours for advice. Immediate or emergency care is needed if the person is a young infant, pregnant, immunocompromised, or develops breathing problems, confusion, severe headache, or rapidly worsening skin redness and pain.
The information provided here is for educational purposes only and does not replace professional medical advice. Always consult a dermatologist or physician if you have any concerns.
Genital herpes is a sexually transmitted infection caused by herpes simplex virus types 1 or 2. It usually shows up as painful blisters and sores on or around the genitals, anus, or nearby skin. The virus stays in the body for life and can flare up again from time to time. Treatment can’t remove the virus, but it can shorten outbreaks, ease symptoms, and reduce the risk of passing it on.
Herpes simplex is a common viral infection that causes recurring clusters of small, painful blisters on the skin or mucous membranes, most often around the mouth or genitals. The virus stays in the body for life and can reactivate from time to time, especially during stress, illness, or other triggers.
Trichomycosis is a fungal infection that affects hair and hair follicles, most often on the scalp (tinea capitis) or in the beard area (tinea barbae). It can cause patches of hair loss, flaking, redness, pustules, and sometimes permanent scarring if not treated in time.
Onychomycosis is a fungal infection of the fingernails or toenails that makes them thick, discolored, and brittle. It usually develops slowly and is not dangerous, but it rarely clears on its own and often needs months of treatment. Toenails are affected more often than fingernails, especially in adults and older people. Early diagnosis and treatment help prevent permanent nail damage and spread to other nails or skin.
