Generic Name: tetracycline (tet-ra-SYE-kleen)
Brand Name: Sumycin
Tetracycline suspension is used for:
Treating infections caused by certain bacteria. It is also used to treat certain types of acne and used along with other medicines to treat amoeba infections. It may also be used for other conditions as determined by your doctor.
Tetracycline suspension is a tetracycline antibiotic. Tetracyclines slow the growth of sensitive bacteria by interfering with the production of proteins needed by the bacteria to grow. Slowing the bacteria's growth allows the body's defense mechanisms (eg, white blood cells) to destroy them.
Do NOT use tetracycline suspension if:
- you are allergic to any ingredient in tetracycline suspension
- you have a sulfite allergy
- you are taking acitretin, isotretinoin, or a penicillin
Contact your doctor or health care provider right away if any of these apply to you.
Before using tetracycline suspension:
Some medical conditions may interact with tetracycline suspension. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have diarrhea, a stomach or bowel infection, kidney problems, or asthma
Some MEDICINES MAY INTERACT with tetracycline suspension. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Acitretin or isotretinoin because side effects, such as increased pressure in the fluid surrounding the brain, may occur
- Anticoagulants (eg, warfarin), digoxin, methotrexate, or methoxyflurane because the risk of their side effects may be increased by tetracycline suspension
- Atovaquone, oral contraceptives (birth control pills), or penicillins because their effectiveness may be decreased by tetracycline suspension
This may not be a complete list of all interactions that may occur. Ask your health care provider if tetracycline suspension may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use tetracycline suspension:
Use tetracycline suspension as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Take tetracycline suspension by mouth on an empty stomach at least 1 hour before or 2 hours after eating.
- Shake well before each use.
- Use a measuring device marked for medicine dosing. Ask your pharmacist for help if you are unsure of how to measure your dose.
- Take tetracycline suspension with a full glass of water (8 oz/240 mL). Do not lie down for 30 minutes after taking tetracycline suspension.
- If you also take any products containing magnesium, aluminum, bismuth, calcium, iron, or zinc; quinapril; didanosine; vitamins/minerals; dairy products (eg, milk, yogurt); calcium-enriched orange juice; sucralfate; antacids; or urinary alkalinizers (eg, daily antacids), do not take them within 2 to 3 before or after taking tetracycline suspension. Check with your doctor if you have questions.
- Tetracycline suspension works best if it is taken at the same time each day.
- To clear up your infection completely, take tetracycline suspension for the full course of treatment. Keep taking it even if you feel better in a few days.
- If you miss a dose of tetracycline suspension, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Ask your health care provider any questions you may have about how to use tetracycline suspension.
Important safety information:
- Tetracycline suspension may cause dizziness. These effects may be worse if you take it with alcohol or certain medicines. Use tetracycline suspension with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- Some of these products contain sulfites. Sulfites may cause an allergic reaction in some patients (eg, asthma patients). If you have ever had an allergic reaction to sulfites, ask your pharmacist if your product has sulfites in it.
- Tetracycline suspension only works against bacteria; it does not treat viral infections (eg, the common cold).
- Long-term or repeated use of tetracycline suspension may cause a second infection. Tell your doctor if signs of a second infection occur. Your medicine may need to be changed to treat this.
- Do not use after expiration date. Outdated medicine is highly toxic to the kidneys.
- Tetracycline suspension may cause you to become sunburned more easily. Avoid the sun, sunlamps, or tanning booths until you know how you react to tetracycline suspension. Use a sunscreen or wear protective clothing if you must be outside for more than a short time.
- Contact your doctor right away if stomach pain or cramps, severe diarrhea, or bloody stools occur. Do not treat diarrhea without first checking with your doctor.
- Be sure to use tetracycline suspension for the full course of treatment. If you do not, the medicine may not clear up your infection completely. The bacteria could also become less sensitive to this or other medicines. This could make the infection harder to treat in the future.
- Hormonal birth control (eg, birth control pills) may not work as well while you are using tetracycline suspension. To prevent pregnancy, use an extra form of birth control (eg, condoms).
- Lab tests, including, including kidney and liver tests and complete blood cell counts, may be performed while you use tetracycline suspension. These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
- Tetracycline suspension should not be used in CHILDREN younger than 9 years old; permanent yellow-gray-brown discoloration of the teeth may occur.
- PREGNANCY and BREAST-FEEDING: Tetracycline suspension has been shown to cause harm to the fetus. If you think you may be pregnant, contact your doctor. You will need to discuss the benefits and risks of using tetracycline suspension while you are pregnant. Tetracycline suspension is found in breast milk. Do not breast-feed while taking tetracycline suspension.
Possible side effects of tetracycline suspension:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur:
Black hairy tongue; bulky loose stools; diarrhea; difficulty swallowing; headache; hoarseness; indigestion; inflammation of the mouth; inflammation of the skin; inflammation or redness of tongue; joint pain; loss of appetite; mouth sores; nausea; sensitivity to sunlight; swelling and itching of the rectum; vomiting.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); blurred vision; bulging soft spot in the head of infants; increased pressure in the head; prolonged or severe diarrhea; prolonged or severe headache; purple patches under the skin; second infection (fever, chills, sore throat); severe skin reaction to the sun; stomach pain; vaginal irritation or discharge.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately.Proper storage of tetracycline suspension:
Store tetracycline suspension at room temperature, between 68 and 77 degrees F (20 and 25 degrees C), in a tightly closed container. Protect from heat, moisture, and light. Do not store in the bathroom. Keep tetracycline suspension out of the reach of children and away from pets.
- If you have any questions about tetracycline suspension, please talk with your doctor, pharmacist, or other health care provider.
- Tetracycline suspension is to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information is a summary only. It does not contain all information about tetracycline suspension. If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.
Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.
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