Generic Name: Minocycline

  • What is this medication and its most common uses?

    Dynacin is an antibiotic used to treat certain bacterial infections, including infections of the skin, respiratory tract, and urinary tract, and certain sexually transmitted diseases (such as Chlamydia). Dynacin may also be used to treat other bacterial infections, as determined by your healthcare provider.

  • What should I know when beginning and continuing on this medication?

    How does this medication work?

    Dynacin works by stopping the growth of bacteria, thereby treating your infection.

    Dynacin does not treat viral infections, such as the common cold.

    What are the beneficial effects of this medication and when should I begin to have results?

    What: Dynacin may help to treat your infection, thereby improving your symptoms.

    When: Everyone responds differently to treatment, so try to be patient and follow your healthcare provider's directions. It is important that you take Dynacin exactly as your healthcare provider has prescribed for the full course of treatment, even if your symptoms improve earlier.

    How do I know it is working?

    You may start to notice an improvement in your symptoms. This is a good indicator that your medication is working. Your healthcare provider may ask you questions and order tests to assess how well your infection is being treated.

  • What are the possible side effects of this medication?

    The following is not a full list of side effects. Side effects cannot be anticipated. If any develop or change in intensity, tell your healthcare provider as soon as possible. Only your healthcare provider can determine if it is safe for you to continue taking this medication.

    More common side effects may include: headache, dizziness, itching.

    Less common side effects may include:

    Permanent tooth discoloration (yellow-gray-brown) in babies or children, especially if taken during tooth development (during the last half of pregnancy, and from birth to 8 years of age).

    Watery and bloody stools (with or without stomach cramps and fever), even as late as two or more months after taking the last dose of Dynacin.

    Central nervous system (the brain and spinal cord) effects, with symptoms such as lightheadedness, dizziness, or a spinning feeling.

    High pressure in the fluid around your brain, with symptoms such as blurred vision, vision loss, or unusual headaches.

    Liver problems, with symptoms such as loss of appetite, tiredness, diarrhea, yellowing of your skin or the whites of your eyes, unexplained bleeding, confusion, or sleepiness.

    Serious allergic reactions, with symptoms such as trouble swallowing or breathing, skin rash, hives, or swelling of your face, eyes, lips, tongue, or throat.

    Dynacin can harm your unborn baby. Talk to your healthcare provider about other treatment options if you plan to become pregnant. Tell your healthcare provider right away if you become pregnant while taking Dynacin.

  • Who should not take this medication?

    Do not take Dynacin if you are allergic to it, any of its ingredients, or to other similar medicines (such as tetracycline).

  • What should I tell my healthcare provider before I take the first dose of this medication?

    Tell your healthcare provider about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Dynacin. Also, talk to your healthcare provider about your complete medical history, especially if you have liver or kidney problems, or if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What is the usual dosage?

    The information below is based on the dosage guidelines your healthcare provider uses. Depending on your condition and medical history, your healthcare provider may prescribe a different regimen. Do not change the dosage or stop taking your medication without your healthcare provider's approval.

    Adults: The usual dose is 200 milligrams (mg), followed by 100 mg every 12 hours.

    Children >8 years: Your healthcare provider will prescribe the appropriate dose for your child, based on his/her weight.

  • How should I take this medication?

    Take Dynacin exactly as prescribed by your healthcare provider. Do not change your dose or stop taking Dynacin without first talking to your healthcare provider.

    Take Dynacin with a full glass of liquid to lower your chance of getting irritation or ulcers in your esophagus (the tube that connects your mouth and stomach).

    Take Dynacin with or without food.

  • What should I avoid while taking this medication?

    Do not drive, operate machinery, or engage in other activities that require mental alertness or coordination until you know how Dynacin affects you.

    Do not expose yourself to sunlamps or tanning beds, and try to limit your time in the sun, as Dynacin can increase your sensitivity to light. If you need to be outdoors, use sunscreen and wear a hat and loose-fitting clothes that protect your skin from the sun.

    Do not skip doses. Skipping doses or not completing the full course of Dynacin can decrease its effectiveness and can lead to the growth of bacteria that are resistant to the effects of Dynacin.

  • What are the possible food and drug interactions associated with this medication?

    If Dynacin is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your healthcare provider before combining Dynacin with the following: antacids that contain aluminum, calcium, or magnesium; birth control pills; blood thinners (such as warfarin); certain migraine medicines (such as ergotamine or dihydroergotamine); iron-containing products; isotretinoin; or penicillin.

  • May I receive this medication if I am pregnant or breastfeeding?

    Dynacin may harm your unborn baby if taken during pregnancy. Dynacin can be found in your breast milk if you take it while breastfeeding. Do not breastfeed while you are taking Dynacin. Tell your healthcare provider immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What should I do if I miss a dose of this medication?

    If you miss a dose of Dynacin, take it as soon as you remember. However, if it is almost time for your next dose, skip the one you missed and return to your regular dosing schedule. Do not take two doses at once.

  • How should I store this medication?

    Store at room temperature. Protect from light, moisture, and excessive heat.

Meet the Pharmacists

I'm Shereen A. Gharbia, PharmD. Welcome to PDR Health!

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