Rubella history and symptoms: Difference between revisions
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Revision as of 14:53, 26 February 2013
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Signs and Symptoms
After an incubation period of 14-21 days, the primary symptom of rubella virus infection is the appearance of a rash (exanthem) on the face which spreads to the trunk and limbs and usually fades after three days. Other symptoms include low grade fever, swollen glands (post cervical lymphadenopathy), joint pains, headache, conjunctivitis.[1] The swollen glands or lymph nodes can persist for up to a week and the fever rarely rises above 38 oC (100.4 oF). The rash disappears after a few days with no staining or peeling of the skin. Forchheimer's sign occurs in 20% of cases, and is characterized by small, red papules on the area of the soft palate.
Rubella can affect anyone of any age and is generally a mild disease, rare in infants or those over the age of 40. The older the person is the more severe the symptoms are likely to be. Up to one-third of older girls or women experience joint pain or arthritic type symptoms with rubella. The virus is contracted through the respiratory tract and has an incubation period of 2 to 3 weeks. During this incubation period, the carrier is contagious but may show no symptoms.
Congenital Rubella Syndrome
Rubella can cause congenital rubella syndrome in the newly born. The syndrome (CRS) follows intrauterine infection by Rubella virus and comprises cardiac, cerebral, ophthalmic and auditory defects.[2] It may also cause prematurity, low birth weight, and neonatal thrombocytopenia, anaemia and hepatitis. The risk of major defects or organogenesis is highest for infection in the first trimester. CRS is the main reason a vaccine for rubella was developed. Many mothers who contract rubella within the first critical trimester either have a miscarriage or a still born baby. If the baby survives the infection, it can be born with severe heart disorders (PDA being the most common), blindness, deafness, or other life threatening organ disorders. The skin manifestations are called "blueberry muffin lesions." [3]
References
- ↑ Edlich RF, Winters KL, Long WB, Gubler KD (2005). "Rubella and congenital rubella (German measles)". J Long Term Eff Med Implants. 15 (3): 319–28. PMID 16022642.
- ↑ Atreya CD, Mohan KV, Kulkarni S (2004). "Rubella virus and birth defects: molecular insights into the viral teratogenesis at the cellular level". Birth Defects Res. Part A Clin. Mol. Teratol. 70 (7): 431–7. doi:10.1002/bdra.20045. PMID 15259032.
- ↑ De Santis M, Cavaliere AF, Straface G, Caruso A (2006). "Rubella infection in pregnancy". Reprod. Toxicol. 21 (4): 390–8. doi:10.1016/j.reprotox.2005.01.014. PMID 16580940.