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Dynacin Warnings and Precautions

Taking Dynacin increases your risk of tooth discoloration, liver problems, and increased pressure inside the skull, among other things. To help ensure a safe treatment process, talk to your healthcare provider about any other medical conditions you have or if you are taking any other medications. Other warnings and precautions with Dynacin extend to pregnant women and people with certain allergies.

What Should I Tell My Healthcare Provider?

You should talk with your healthcare provider prior to using Dynacin® (minocycline hydrochloride) if you have:
  • Kidney disease, such as kidney failure (renal failure)
  • Liver disease, such as hepatitis, cirrhosis, or liver failure
  • Any allergies, including to medications, foods, dyes, or preservatives.
Also, let your healthcare provider know if you are:
  • Pregnant or thinking of becoming pregnant
  • Breastfeeding.
You should also tell your healthcare provider about any other medications you are taking, including prescription and nonprescription medicines, vitamins, and herbal supplements.

Specific Precautions and Warnings With Dynacin

Some warnings and precautions to be aware of with this drug include the following:
  • Tetracycline antibiotics, including Dynacin, can cause permanent discoloration of teeth and underdevelopment of tooth enamel if used during tooth development, which occurs up to the age of eight. This medication should not be used in children under eight years of age.
  • Dynacin may cause a condition known as intracranial hypertension, which is increased pressure inside the skull. This condition can lead to severe, and sometimes permanent, vision loss. Contact your healthcare provider if you experience symptoms of intracranial hypertension, including headache, blurred vision, and dizziness. Usually these symptoms will go away once the medication is stopped.
  • Dynacin may increase your sensitivity to the sun, which could put you at risk for a severe sunburn. Avoid any unnecessary sunlight exposure (both outdoor and with tanning beds) while taking this medication. If you go out in the sun, wear loose-fitting clothing on as much of your skin as possible and use a sunscreen with a rating of SPF 45 or higher.
  • Make sure to take Dynacin with a full glass of water, and avoid lying down immediately after taking it. This helps reduce the chance that the drug will accidentally stick in your throat and cause irritation and ulcers.
  • This product may cause darkening of many body organs, including the nails, skin, eyes, and teeth. Contact your healthcare provider if you experience these reactions. Although many of the darkened areas will return to normal after Dynacin is stopped, tooth discoloration may be permanent.
  • You may become dizzy, lightheaded, or experience vertigo (a spinning sensation) during Dynacin treatment. Avoid driving or operating heavy machinery if you experience these symptoms. The symptoms will go away after you finish taking the medication, and in some cases will go away during treatment.
  • There have been reports of liver problems, including hepatitis and liver failure, with the use of minocycline (the active ingredient in Dynacin). Contact your healthcare provider immediately if you develop any signs of liver problems, such as:
    • Dark urine
    • Loss of appetite
    • Fatigue or excessive tiredness
    • Pain in the right upper part of the stomach
    • Yellowing of the whites of the eyes or skin (jaundice).
  • All antibiotics (including Dynacin) can disrupt the normal bacteria in the digestive tract, allowing undesirable bacteria to overgrow. This could lead to a potentially life-threatening problem known as pseudomembranous colitis. Contact your healthcare provider if you experience severe, bloody, or watery diarrhea, which can be signs of this serious problem. Pseudomembranous colitis may occur even several months after you stop taking Dynacin.
  • If you have kidney disease, your body may handle this medicine differently than usual. Your healthcare provider may choose to give you a lower Dynacin dosage.
  • Taking antibiotics may cause other infections to occur, including yeast or fungal infections. If you notice symptoms of a fungal or yeast infection, or any symptoms not related to your original infection, contact your healthcare provider.
  • Dynacin may react with several other medications (see Dynacin Drug Interactions).
  • This product is a pregnancy Category D medication, which means it may harm an unborn baby (see Dynacin and Pregnancy for more information).
  • Dynacin passes through breast milk. Therefore, if you are breastfeeding or plan to start, discuss this with your healthcare provider before beginning treatment (see Dynacin and Breastfeeding).

Dynacin Antibiotic Information

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