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Antibiotics for Chlamydia - Tetracycline

What is Tetracycline?

 

Tetracyclines are a group of broad-spectrum antibiotics whose general usefulness has been reduced with the onset of bacterial resistance. Despite this, they remain the treatment of choice for some specific indications.

Tetracycline is used to treat many different bacterial infections, such as urinary tract infections, acne, gonorrhea, chlamydia, and others.
Tetracycline may also be used for other purposes not listed in this medication guide.

 

Therapeutic uses of Tetracycline

Tetracyclines are generally used in the treatment of infections of the respiratory tract, sinuses, middle ear, urinary tract, and intestines, and is used in the treatment ofgonorrhoea, especially in patients allergic to β-lactams and macrolides; however, their use for these indications is less popular than it once was due to widespread resistancedevelopment in the causative organisms.

Their most common current use is in the treatment of moderately severe acne and rosacea (tetracycline, oxytetracycline, doxycycline, or minocycline).[citation needed]
Doxycycline is also used as a prophylactic treatment for infection by Bacillus anthracis (anthrax) and is effective against Yersinia pestis, the infectious agent of bubonic plague. It is also used for malaria treatment and prophylaxis, as well as treating elephantiasis.

Tetracyclines remain the treatment of choice for infections caused by chlamydia (trachoma, psittacosis, salpingitis, urethritis, and L. venereum infection), Rickettsia(typhus, Rocky Mountain spotted fever), brucellosis, and spirochetal infections (borreliosis, syphilis, and Lyme disease). In addition, they may be used to treat anthrax,plague, tularemia, and Legionnaires' disease. It is also used in veterinary medicine on pigs and alike.

They may have a role in reducing the duration and severity of cholera, although drug-resistance is occurring,[2] and their effects on overall mortality is questioned.[3]
Demeclocycline has an additional use in the treatment of SIADH.

Tetracycline derivatives are currently being investigated for the treatment of certain inflammatory disorders.

 

Important information about Tetracycline

FDA pregnancy category D. Tetracycline can cause harm to an unborn baby, including permanent discoloration of the teeth later in life. So do not use tetracycline if you are pregnant.  Do not give this medicine to a child younger than 8 years old. Tetracycline can cause permanent yellowing or graying of the teeth, and it can affect a child's growth.
Avoid exposure to sunlight or artificial UV rays (sunlamps or tanning beds). Tetracycline can make your skin more sensitive to sunlight and sunburn may result. Use a sunscreen (minimum SPF 15) and wear protective clothing if you must be out in the sun.

Do not take iron supplements, multivitamins, calcium supplements, antacids, or laxatives within 2 hours before or after taking tetracycline. These products can make this medicine less effective.

Throw away any unused tetracycline when it expires or when it is no longer needed. Do not take this medicine after the expiration date on the label has passed. Expired tetracycline can cause a dangerous syndrome resulting in damage to the kidneys.

Do not use this medication if you are allergic to tetracycline, or to similar medicines such as demeclocycline (Declomycin), doxycycline (Adoxa, Doryx, Oracea, Vibramycin), or minocycline (Dynacin, Minocin, Solodyn, Vectrin). Before taking tetracycline, tell your doctor if you have liver or kidney disease. You may not be able to take this medicine, or you may require a dosage adjustment or special monitoring during therapy.

If you are using tetracycline to treat gonorrhea, your doctor may test you to make sure you do not also have syphilis, another sexually transmitted disease.

 

How to take Tetracycline

Tetracycline comes as a capsule and suspension (liquid) to take by mouth

Take this medication on an empty stomach, at least 1 hour before or 2 hours after meals.

Do not take tetracycline with milk or other dairy products, unless your doctor has told you to. Dairy products can make it harder for your body to absorb the medicine.

 

Side effects of Tetracycline

Side-effects from tetracyclines are not common, but of particular note is phototoxicity. It increases the risk of sunburn under exposure to light from the sun or other sources. This may be of particular importance for those intending to take on vacations long-term doxycycline as a malaria prophylaxis.

They may cause stomach or bowel upsets, and, on rare occasions, allergic reactions. Very rarely, severe headache and vision problems may be signs of dangerous secondary intracranial hypertension, also known as pseudotumor cerebri.

Tetracyclines are teratogens due to the likelihood of causing teeth discolouration in the fetus as they develop in infancy. For this same reason, tetracyclines are contraindicated for use in children under 8 years of age. They are, however, safe to use in the first 18 weeks of pregnancy.

Some patients taking tetracyclines require medical supervision because they can cause steatosis and hepatotoxicity.

 

 

See Antibiotics for Chlamydia - Azithromycin

See Antibiotics for Chlamydia - Docycycline

TIME:2012-01-10 16:58
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