Generic Name: minocycline (mye no SYE kleen)
Brand Name: Dynacin, Minocin, Minocin PAC, Solodyn
What is Dynacin (minocycline)?
Minocycline is a tetracycline antibiotic that fights bacteria in the body.
Minocycline is used to treat many different bacterial infections, such as urinary tract infections, respiratory infections, skin infections, severe acne, gonorrhea, tick fever, chlamydia, and others.
Minocycline may also be used for purposes not listed in this medication guide.
What is the most important information I should know about Dynacin (minocycline)?
Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.
What should I discuss with my healthcare provider before taking Dynacin (minocycline)?
You should not take this medicine if you are allergic to minocycline or to similar antibiotics such as demeclocycline, doxycycline, or tetracycline.
If you are using minocycline to treat gonorrhea, your doctor may test you to make sure you do not also have syphilis, another sexually transmitted disease.
To make sure minocycline is safe for you, tell your doctor if you have:
kidney disease; or
asthma or sulfite allergy.
You should not use minocycline if you are pregnant. It could harm the unborn baby or cause permanent tooth discoloration later in life. Tell your doctor right away if you become pregnant during treatment.
Minocycline can make birth control pills less effective. Ask your doctor about using a non hormone method of birth control (such as a condom, diaphragm, spermicide) to prevent pregnancy while using minocycline.
Minocycline passes into breast milk and may affect bone and tooth development in a nursing baby. You should not breast-feed while you are taking minocycline.
Do not give this medicine to a child without medical advice. Minocycline can cause permanent yellowing or graying of the teeth in children younger than 8 years old.
How should I take Dynacin (minocycline)?
Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.
Take this medicine with a full glass of water.
You may take minocycline with or without food.
Do not crush, chew, or break an extended-release tablet. Swallow it whole.
Use this medicine for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared. Skipping doses may also increase your risk of further infection that is resistant to antibiotics. Minocycline will not treat a viral infection such as the flu or a common cold.
If you use this medicine long-term, you may need frequent medical tests.
This medicine can cause unusual results with certain medical tests. Tell any doctor who treats you that you are using minocycline.
Store at room temperature away from moisture, heat, and light.
Throw away any minocycline not used before the expiration date on the medicine label. Using expired minocycline can cause damage to your kidneys.
What happens if I miss a dose?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include dizziness, nausea, or vomiting.
What should I avoid while taking Dynacin (minocycline)?
This medicine may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.
Antibiotic medicines can cause diarrhea, which may be a sign of a new infection. If you have diarrhea that is watery or bloody, call your doctor. Do not use anti-diarrhea medicine unless your doctor tells you to.
Avoid exposure to sunlight or tanning beds. Minocycline can make you sunburn more easily. Wear protective clothing and use sunscreen (SPF 30 or higher) when you are outdoors.
For 2 hours before or after you take minocycline, avoid taking antacids, laxatives, multivitamins, or supplements that contain calcium or iron. These other medicines can make it harder for your body to absorb minocycline.
Dynacin (minocycline) side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
kidney problems--little or no urinating; painful or difficult urination; swelling in your feet or ankles; feeling tired or short of breath;
liver or pancreas problems--nausea, vomiting, upper stomach pain that may spread to your back, tired feeling, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
increased pressure inside the skull--severe headaches, ringing in your ears, dizziness, vision problems, pain behind your eyes;
signs of inflammation in your body--swollen glands, flu symptoms, easy bruising or bleeding, severe tingling or numbness, muscle weakness, chest pain, new or worsening cough with fever, trouble breathing; or
severe skin reaction--fever, sore throat, swelling in your face or tongue, burning in your eyes, skin pain, followed by a red or purple skin rash that spreads (especially in the face or upper body) and causes blistering and peeling.
Common side effects may include:
nausea, diarrhea, loss of appetite;
dizziness, spinning sensation;
swollen tongue, cough, trouble swallowing;
muscle or joint pain;
discoloration of you skin or nails.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
See also: Side effects (in more detail)
What other drugs will affect Dynacin (minocycline)?
Tell your doctor about all your current medicines and any you start or stop using, especially:
a penicillin antibiotic--amoxicillin, ampicillin, dicloxacillin, oxacillin, penicillin, ticarcillin, Amoxil, Moxatag, Augmentin, Principen, and others;
a blood thinner--warfarin, Coumadin, Jantoven; or
ergot medicine--dihydroergotamine, ergotamine, ergonovine, methylergonovine.
This list is not complete. Other drugs may interact with minocycline, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.
More about Dynacin (minocycline)
Related treatment guides
Where can I get more information?
- Your pharmacist can provide more information about minocycline.
- Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
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