Tetracycline Hydrochloride 500mg

Tetracycline 500mg

An antibiotic, Tetracycline is used to treat a range of bacterial infections including acne, gonorrhoea, Chlamydia, and urine infections. It works by interrupting the production of the proteins required by the bacteria, and thereby the growth of the bacteria, which then allows the body’s own immune system to eliminate them.

Method of Use

It is recommended that Tetracycline is taken orally, once a day, on an empty stomach. Follow your doctor’s advise at all times and read the enclosed dosing instructions prior to starting a course.

Tetracycline is to be taken at least 1 hour before or 2 hours after eating, with a glass of water (approx 240ml), and do not lie down within 30 minutes of taking the drug.

If you are taking aluminium, calcium or magnesium based antacids, or bismuth, zinc, iron or sodium bicarbonate preparations, or calcium-enriched foods, such as milk, dairy products and juices, do not take Tetracycline with 3 hours or consuming these products.

Always complete a prescribed course to ensure maximum benefit. If you miss a dose of Tetracycline, take it as soon as you remember, unless this is close to your next scheduled dose. If it is, miss that dose and then return to your regular dosing schedule. Do not take 2 doses at once.


Tetracycline is to be stored between 68°F and 77°F (20-25°C), in its original container, away from heat, light and moisture. It must not be stored in the bathroom. Tetracycline may be stored briefly at temperatures between 59°F and 86°F (15-30°C). The product must be kept out of the reach of children and pets at all times. Any medication that is out of date should be disposed of safely (any pharmacist will be able to advise you on disposal instructions).

Advise Notes

If you are allergic to any ingredients contained in Tetracycline or any other tetracycline antibiotics, such as Doxycycline, or you are taking either acitretin or methoxyflurane, do not take Tetracycline and consult your doctor as soon as possible.

Prior to using Tetracycline, advise your doctor or pharmacist of any medical conditions you may have, particularly if:

  • you are pregnant, are planning to become pregnant, or are breast feeding;
  • you are taking any other prescription or non-prescription medication, herbal preparations or dietary supplements;
  • you have any other allergies to medications, foods or other substances;
  • you have a stomach infection, a kidney condition or diarrhea;
  • you are taking acitretin or isotretinoin, Digoxin, methotrexate, methoxyflurane or oral anticoagulants, such as Warfarin (these may increase the risk of side effects); or
  • you are taking lithium, oral contraceptive (birth control) pills or penicillin’s, such as amoxicillin (these may reduce the effectiveness of Tetracycline).

Potential Side Effects

If you experience any of the above or following side effects, seek immediate emergency medical treatment and notify your doctor as soon as possible. Possible side effects include:

  • hairy and/or black tongue;
  • reduced or loss of vision;
  • loose stools, diarrhea;
  • any allergic reaction, such as hives, rash or itching, or skin reaction/sensitivity to the sun;
  • swelling of the mouth, face, tongue or lips, constricted or sore throat, mouth sores, redness of the tongue, hoarseness;
  • headache;
  • stomach pain, indigestion, tightness of the chest;
  • nausea, fever, chills, vomiting;
  • lack of appetite; or
  • swelling or itching of the rectum, vaginal irritation or discharge.

Do not share Tetracycline with anyone else. It is recommended that you always complete a prescribed course, under your doctor or medical practitioner’s supervision at all times.

Please note that the above list is not complete and other side effects may occur. Should any other side effects happen, consult your doctor as soon as possible.

(c) Tetracycline Hydrochloride 1992 - 2014.
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