Medically reviewed on May 2, 2018
Uses of Dynacin:
- It is used to treat or prevent bacterial infections.
- It is used to treat pimples (acne).
- It may be given to you for other reasons. Talk with the doctor.
What do I need to tell my doctor BEFORE I take Dynacin?
- If you have an allergy to minocycline or any other part of Dynacin (minocycline tablets).
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you are taking any of these drugs: Acitretin, isotretinoin, or a penicillin.
- If you are breast-feeding or plan to breast-feed.
This is not a list of all drugs or health problems that interact with Dynacin (minocycline tablets).
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Dynacin (minocycline tablets) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take Dynacin?
- Tell all of your health care providers that you take Dynacin (minocycline tablets). This includes your doctors, nurses, pharmacists, and dentists.
- Avoid driving and doing other tasks or actions that call for you to be alert until you see how Dynacin (minocycline tablets) affects you.
- Have blood work checked as you have been told by the doctor. Talk with the doctor.
- This medicine may affect certain lab tests. Tell all of your health care providers and lab workers that you take Dynacin (minocycline tablets).
- Do not use longer than you have been told. A second infection may happen.
- If you are taking warfarin, talk with your doctor. You may need to have your blood work checked more closely while you are taking it with Dynacin (minocycline tablets).
- You may get sunburned more easily. Avoid sun, sunlamps, and tanning beds. Use sunscreen and wear clothing and eyewear that protects you from the sun.
- A very bad and sometimes deadly reaction has happened with Dynacin (minocycline tablets). Most of the time, this reaction has signs like fever, rash, or swollen glands with problems in body organs like the liver, kidney, blood, heart, muscles and joints, or lungs. Talk with the doctor.
- A very bad skin reaction (Stevens-Johnson syndrome/toxic epidermal necrolysis) may happen. It can cause very bad health problems that may not go away, and sometimes death. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in your mouth, throat, nose, or eyes.
- Very bad and sometimes deadly liver problems have happened with Dynacin (minocycline tablets). Call your doctor right away if you have signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
- This medicine may cause a change in tooth color to yellow-gray-brown in children younger than 8 years old. If this change of tooth color happens, it will not go away. Talk with the doctor.
- Birth control pills and other hormone-based birth control may not work as well to prevent pregnancy. Use some other kind of birth control also like a condom when taking Dynacin (minocycline tablets).
- This medicine may cause harm to the unborn baby if you take it while you are pregnant. If you are pregnant or you get pregnant while taking Dynacin (minocycline tablets), call your doctor right away.
- Most of the time, Dynacin (minocycline tablets) is not for use in children younger than 8 years old. However, there may be times when these children may need to take Dynacin (minocycline tablets). Talk with the doctor.
How is this medicine (Dynacin) best taken?
Use Dynacin (minocycline tablets) as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- To gain the most benefit, do not miss doses.
- Use as you have been told, even if your signs get better.
- Take Dynacin (minocycline tablets) at the same time of day.
- Take with or without food. Take with food if it causes an upset stomach.
- Do not take products that have iron in them or products like antacids that have aluminum, calcium, or magnesium in them at the same time as Dynacin (minocycline tablets). Talk with your doctor or pharmacist.
- Drink lots of noncaffeine liquids unless told to drink less liquid by your doctor.
- Take with a full glass of water.
What do I do if I miss a dose?
- Take a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
See also: Dosage Information (in more detail)
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of a pancreas problem (pancreatitis) like very bad stomach pain, very bad back pain, or very bad upset stomach or throwing up.
- Not able to pass urine or change in how much urine is passed.
- Fever or chills.
- Sore throat.
- Change in hearing.
- Joint pain or swelling.
- Muscle pain or weakness.
- Ringing in ears.
- Shortness of breath.
- Trouble swallowing.
- Blood in the urine.
- Chest pain.
- A heartbeat that does not feel normal.
- Change in color of nails, skin, eyes, scars, teeth, or gums to a darker color.
- Any unexplained bruising or bleeding.
- Feeling very tired or weak.
- Mouth irritation or mouth sores.
- Redness or white patches in mouth or throat.
- Rectal irritation.
- Genital irritation.
- Vaginal itching or discharge.
- It is common to have diarrhea when taking Dynacin (minocycline tablets). Rarely, a very bad form of diarrhea called Clostridium difficile (C diff)–associated diarrhea (CDAD) may occur. Sometimes, this has led to a deadly bowel problem (colitis). CDAD may happen while you are taking Dynacin (minocycline tablets) or within a few months after you stop taking it. Call your doctor right away if you have stomach pain or cramps, very loose or watery stools, or bloody stools. Do not try to treat loose stools without first checking with your doctor.
- Raised pressure in the brain has happened with Dynacin (minocycline tablets). Most of the time, this will go back to normal after Dynacin (minocycline tablets) is stopped. Sometimes, loss of eyesight may happen and may not go away even after Dynacin (minocycline tablets) is stopped. Call your doctor right away if you have a headache or eyesight problems like blurred eyesight, seeing double, or loss of eyesight.
What are some other side effects of Dynacin?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
- Loose stools (diarrhea).
- Feeling sleepy.
- Upset stomach or throwing up.
- Not hungry.
- Feeling tired or weak.
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
See also: Side effects (in more detail)
If OVERDOSE is suspected:
If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
How do I store and/or throw out Dynacin?
- Store at room temperature.
- Protect from light.
- Protect from heat.
- Store in a dry place. Do not store in a bathroom.
- Get rid of Dynacin (minocycline tablets) when you no longer need it.
- Do not take Dynacin (minocycline tablets) if it is outdated.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
Consumer information use
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else's drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about Dynacin (minocycline tablets), please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
More about Dynacin (minocycline)
- Dynacin Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Images
- Drug Interactions
- Support Group
- En Español
- 1 Review – Add your own review/rating
- Drug class: tetracyclines