interventions Patients with primary or secondary syphilis are usually given benzathine, penicillin G benzathine, or an equivalent in a single dose of 2.4 million units intramuscularly. The objective is to maintain penicillin in the bloodstream for a number of days because Treponema pallidum divides at an average rate of once every 33 hours, and the antibiotic is most effective during the stage of cell division. Larger doses of penicillin, 7.2 million units total, are administered in 3 doses 1 week apart for tertiary syphilis. Infants and small children with congenital syphilis are usually given 50,000 units/kg intramuscularly. Treatment of an infected mother with penicillin during the first 4 months of pregnancy usually prevents the development of congenital syphilis in the fetus. Std Test near me Concho Valley Arizona United States. Treating the mother with antibiotics later in the pregnancy usually eliminates the infection but may not protect the fetus. Patients should be reexamined clinically and serologically 3 months and 6 months after treatment. Human immunodeficiency virus-infected patients (also infected with syphilis) should be seen at 1, 2, 3, 6, 9, and 12 months for follow-up observation. Std Test nearest Concho Valley, AZ.
nursing considerations Special care and aseptic precautions are taken while handling the highly contagious fluid from syphilitic lesions used in diagnostic testing because the infection may be acquired through a cut or break in the skin. The nurse discusses with the patient the disease course, its treatment, and ways of preventing future infections. The extremely contagious nature of the infection is explained, and the importance of treatment for all who may have been exposed is emphasized. Tact, patience, and understanding are required to reassure the patient and to secure the patient's cooperation in accepting treatment and in assisting in the identification and location of others needing treatment. Active, serologically documented cases of syphilis must, by law, be reported to local departments of health throughout the United States.
STD A multisystem STD caused by a spirochete, Treponema pallidum, when it penetrates broken or abraded mucotaneous tissue through sexual contact; ≥ 100,000 new cases/yr, US; it is the third most commonly reported infectious disease-gonorrhea is the first; it is common in urban areas, especially in the US South and affects young adults Clinical Primary stage or chancre stage causes a nasty looking, but painless rounded ulcer, which may heal spontaneously. See Benign late syphilis, Congenital syphilis , Latent syphilis, Neurosyphilis , Primary syphilis , Secondary syphilis , Tertiary syphilis
An acute and chronic infectious disease caused by Treponema pallidum and transmitted by direct contact, usually through sexual intercourse. After an incubation period of 12-30 days, the first symptom is a chancre (a painless, indurated ulcer), followed by slight fever and other constitutional symptoms (primary syphilis), followed by a skin eruption of various appearances with mucous patches and generalized lymphadenopathy (secondary syphilis), and subsequently by the formation of gummata, cellular infiltration, and functional abnormalities usually resulting from cardiovascular and central nervous system lesions (tertiary syphilis).
Syphilis is typically passed from person to person by direct contact with skin or mucous membranes. Spirochetes readily penetrate skin and disseminate from the initial site of inoculation to regional lymph nodes, the bloodstream, and multiple other sites including the central nervous system (CNS). After an incubation period of 10 days to 2 months, a papule appears on the skin that develops into a painless ulcer (chancre) characteristic of the primary stage of infection. Chancres and other syphilitic skin lesions are highly infectious. Concho Valley United States Std Test. The genitals are the most common site of primary infection and formation of chancres although chancres may appear on other points of contact, e.g., the lips, mouth, anus, or rectum.
Chancres usually disappear within 3 to 6 weeks even without treatment. Within a few days to several months, the secondary stage appears: a widespread body rash, often with systemic symptoms, e.g., fever, headache, generalized lymph node swelling, nausea, vomiting, weight loss, and malaise. Highly infectious, moist, broad, pink or grayish-white papules may appear in the perineum (condyloma latum), along with shallow ulcers in the mouth (mucous patches). Hair loss, usually temporary, may also occur, and the nails may become brittle and pitted. If the disease is not eradicated with antibiotics, it establishes latent infection that may cause multiple destructive changes in many organ systems years later.
The common laboratory tests for syphilis lack optimal sensitivity or specificity. Screening is usually performed with the nontreponemal rapid plasma reagin test (RPR) or the Venereal Disease Research Laboratory test (VDRL); either test may yield inaccurate results. Both tests become reactive about 1 to 2 weeks after initial infection. If either test result is positive, a confirmatory test is done: (1) by identifying the responsible bacterium, T. pallidum on dark-field examination of material from a genital lesion; (2) with the microhemagglutination assay for antibody to T. pallidum (MHA-TP); or (3) with the fluorescent treponemal antibody absorption test (FHA-ABS). Two-stage testing increases the likelihood of obtaining an accurate diagnosis.
Intravenous or long-acting intramuscular preparations of penicillin are typically given to patients with syphilis. The duration of treatment varies depending on the stage of the disease and on whether there are comorbid illnesses, e.g., HIV infection, or complications, e.g., evidence of neurosyphilis. Doxycycline or tetracycline may be substituted in nonpregnant patients who are allergic to penicillin although, because of potential bacterial resistance, patients allergic to penicillin should be considered candidates for desensitization. Pregnant patients are not given tetracycline or doxycycline because they discolor primary teeth in the infant.
The patient is taught about the illness and the importance of locating all sexual contacts, treatment, and the need for follow-up care. The patient should avoid sexual contact with anyone until the full course of therapy has been completed, including previous partners who have not received adequate evaluation and treatment, if indicated, for syphilis. Contact precautions are instituted from the time the disease is suspected until 24 hr after initiation of proper antibiotic therapy and whenever draining lesions are present. Standard precautions apply. Std test closest to Concho Valley, AZ. The patient is informed about safe sex practices and consistent condom use to prevent infection with syphilis and other STDs. Pregnant patients are screened for syphilis to prevent prenatal transmission. Rape victims are tested at the time of the attack and again 1 to 2 weeks later. Std Test nearby Concho Valley. All cases of syphilis must be reported to local public health authorities by both health care providers and laboratories.
A sexually or congenitally transmitted disease caused by the spirochaete Treponema pallidum In the adult form the first sign is the chancre-a single, small, painless, hard-edged ulcerated crater with a wet base, teeming with spirochaetes, that appears on the genitalia about 3 weeks after exposure. The local lymph nodes enlarge. The chancre heals and the spirochaetes disperse throughout the body to cause a secondary stage, featuring conspicuous skin rashes, and a tertiary stage, many years later, in which the nervous system and the larger arteries may be affected, with serious consequences. Tertiary syphilis may involve TABES DORSALIS , GENERAL PARALYSIS OF THE INSANE and ANEURYSM of the AORTA The prevalence of syphilis was declining until the 1980s but rose again in the late 1990s and in some risk groups has increased more than ten-fold. Std Test near me Concho Valley, United States. Treatment is by a single depot dose of benzathine penicillin G which maintains bactericidal levels for weeks. Resistance to the macrolide antibiotic azithromycin has been detected. This is associated with an A to G point mutation in the 23S ribosomal RNA genes of T. pallidum See also CONGENITAL SYPHILIS
a human disease of the sexual organs, caused by the spirochaete bacterium Treponema pallidum, that is normally spread by sexual contact. The organism penetrates mucous membranes, giving rise within a few days to primary ulceration of the membranes. This may give way to a secondary stage of low-grade fever and enlargement of the lymph nodes. A final tertiary stage can take place in which serious lesions occur in many organs and blindness is common. The bacterium can be transmitted from an infected mother to her foetus, resulting in congenital syphilis which may be fatal.
Condition in which the pupils of the eyes are not of equal size. Typically one pupil is abnormal and cannot either dilate or constrict. It may be physiological (e.g. in antimetropia) or it may be part of a syndrome, the most common being those of Adie's and Horner's. Physiological anisocoria remains constant irrespective of the level of illumination. Anisocoria can occur as a result of injury (e.g. to the iris sphincter muscle), inflammation (e.g. iridocyclitis), diseases of the iris, paralysis of the third nerve, angle-closure glaucoma, systemic diseases (e.g. diabetes, syphilis) or accidental drug instillation into the eye (if the drug or substance has anticholinergic properties the condition is then referred to as anticholinergic mydriasis or 'atropine' mydriasis). The search for the cause of anisocoria is facilitated by testing the pupil light reflexes and responses to locally instilled drugs (Fig. A14). See efferent pupillary defect ; pupil light reflex; pupillometer
Inflammation of the conjunctiva. It may be acute, subacute or chronic. It may be due to an allergy, an infection (e.g. Staphylococcus, Streptococcus, Haemophilus, etc.), a virus inflammation, an irritant (dust, wind, chemical fumes, ultraviolet radiation or contact lenses), or as a complication of gonorrhoea, syphilis, influenzae, hay fever, measles, etc. Conjunctivitis is characterized by various signs and symptoms, which may include conjunctival injection, oedema, small follicles or papillae, secretions (purulent, mucopurulent, membranous, pseudomembranous or catarrhal), pain, itching, grittiness and blepharospasm. The most common type of conjunctivitis is that due to a bacterium and in many cases is self-limiting and subsides without treatment. Treatment of that type includes irrigation of the lid and the use of topical antibiotics. See conjunctival concretions ; herpes zoster ophthalmicus ; conjunctival injection ; mycophthalmia ; ophthalmia neonatorum ; Stevens-Johnson syndrome ; trachoma
acute conjunctivitis Conjunctivitis characterized by an onset of hyperaemia (most intense near the fornices), purulent or mucopurulent discharge and symptoms of irritation, grittiness and sticking together of the eyelids on waking. In severe cases there will be chemosis, eyelid oedema, subconjunctival haemorrhages and photophobia. The bacterial type is caused by Staphylococcus epidermidis, Staph. aureus, Haemophilus influenzae (H. aegyptius, Koch-Weeks bacillus), Streptococcus pneumoniae (pneumococcus). A rare form of acute conjunctivitis is caused by the Neisseria species (gonococcus, meningococcus, e.g. gonococcal conjunctivitis), which produce a more severe form of the disease referred to as hyperacute bacterial conjunctivitis or acute purulent conjunctivitis. These require immediate treatment with systemic and topical antibiotics. Acute conjunctivitis is also caused by viruses (viral conjunctivitis), such as herpes simplex or adenoviruses. All forms of acute conjunctivitis occasionally spread to the cornea. Bacterial conjunctivitis often resolves without treatment within two weeks. Management consists of topical antibiotic therapy (e.g. chloramphenicol, erythromycin) and cold compresses to relieve symptoms. Acute allergic conjunctivitis most typically resolves spontaneously, otherwise treatment includes sodium cromoglicate. Acute viral conjunctivitis caused by herpes simplex is treated with antiviral agents (e.g. acyclovir), although viral conjunctivitis caused by other viruses does not respond well to any drug therapy. Supportive treatment such as cold compresses relieves symptoms. Std Test nearest Concho Valley.
adult inclusion conjunctivitis An acute conjunctivitis caused by the serotypes D to K of Chlamydia trachomatis and typically occurring in sexually active adults in whom the genitourinary tract is infected. Signs in the eye usually appear one week following sexual exposure. It may also occur after using contaminated eye cosmetics or soon after having been in a public swimming pool, or in newborn infants (called neonatal inclusion conjunctivitis or neonatal chlamydial conjunctivitis), which is transmitted from the mother during delivery and appears some 5 to 14 days after birth. The conjunctivitis is mucopurulent with follicles in the fornices, which often spread to the limbal region. The condition is commonly associated with punctate epithelial keratitis, preauricular lymphadenopathy, marginal infiltrates and, in long-standing infection, micropannus in the superior corneal region may also appear. Differentiation from viral follicular conjunctivitis is made through culture, serological and cytological studies. Treatment consists of using both systemic and topical tetracyclines, although in pregnant or lactating women erythromycin is preferable. Syn. trachoma-inclusion conjunctivitis (TRIC). See conjunctival follicle ; punctate epithelial keratitis; lymphadenopathy ; ophthalmia neonatorum ; trachoma
allergic conjunctivitis Conjunctivitis which is due to a type 1 hypersensitivity reaction to allergens. Common allergens are pollens associated with hay fever, grass (seasonal allergic conjunctivitis) and air pollutants, house dust mites, smoke (perennial allergic conjunctivitis). It is characterized by hyperaemia, itching, burning, swelling, tearing, discharge and small papillae. Conjunctival scrapings contain a large number of eosinophils and serum IgE is elevated. The condition is commonly associated with rhinitis (allergic rhinoconjunctivitis) in which there is also sneezing and nasal discharge. Treatment commonly includes decongestants, oral antihistamines, mast cell stabilizers (e.g. lodoxamine, sodium cromoglicate) and if severe, topical corticosteroid eyedrops. Std test nearest Concho Valley. See vernal conjunctivitis ; decongestants ; hypersensitivity
contagious conjunctivitis Acute conjunctivitis caused by Koch-Weeks bacillus, adenovirus types 3, 7 or 8 and 19, or a pneumococcus infection. It may be transmitted by respiratory or ocular infections, contaminated towels or equipment (e.g. tonometer heads). Std Test nearby Concho Valley, Arizona. It is characterized by acute onset, redness, tearing, discomfort and photophobia. The condition is often self-limiting but keratitis is a common complication. Syn. epidemic conjunctivitis; epidemic keratoconjunctivitis; pink eye (colloquial).
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