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How does this medication work? What will it do for me?
Minocycline belongs to the class of medications called tetracycline antibiotics. It is used to treat infections caused by certain types of bacteria. It is most commonly used to treat certain types of skin infections, urinary tract infections, gallbladder infections, and respiratory tract infections such as bronchitis, pneumonia, and sinusitis.
Your doctor may have suggested this medication for conditions other than the ones listed in these drug information articles. As well, some forms of this medication may not be used for all of the conditions discussed here. If you have not discussed this with your doctor or are not sure why you are taking this medication, speak to your doctor. Do not stop taking this medication without consulting your doctor.
Do not give this medication to anyone else, even if they have the same symptoms as you do. It can be harmful for people to take this medication if their doctor has not prescribed it.
What form(s) does this medication come in?
Each capsule with orange opaque cap and body and "P" imprinted on the cap and "50" on the body in black ink contains minocycline HCl equivalent to minocycline 50 mg. Nonmedicinal ingredients: polyethylene glycol 4,000 BP, polyethylene glycol 10,000 BP, gelatin, titanium dioxide, D&C Yellow No. 10, FD&C Red No. 40, and D&C Red No. 28.
Each capsule with purple opaque cap and orange opaque body and "P" imprinted on the cap and "100" on the body in white ink contains minocycline HCl equivalent to minocycline 100 mg. Nonmedicinal ingredients: polyethylene glycol 4,000 BP, polyethylene glycol 10,000 BP, titanium dioxide, D&C Yellow No. 10, FD&C Yellow No. 6, FD&C Red No. 40, FD & C Blue No. 1 and D&C Red No. 28.
How should I use this medication?
The usual recommended adult dose of minocycline is 100 mg or 200 mg for the first dose, followed by 100 mg every 12 hours. The adolescent dose (for those 13 years and over) of minocycline is based on body weight. Minocycline is not recommended for children under 13 years of age.
Do not take this medication at the same time as iron preparations or antacids that contain aluminum, calcium, or magnesium, since they may reduce the absorption of minocycline.
Many things can affect the dose of medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way that you are taking the medication without consulting your doctor.
It is important to take this medication exactly as prescribed by your doctor. Finish all of this medication, even if you start to feel better. If you miss a dose, take it as soon as possible and continue with your regular schedule. If it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one. If you are not sure what to do after missing a dose, contact your doctor or pharmacist for advice.
Store this medication at room temperature, protect it from light and moisture, and keep it out of the reach of children.
Do not dispose of medications in wastewater (e.g. down the sink or in the toilet) or in household garbage. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.
Who should NOT take this medication?
Do not take this medication if you are allergic to minocycline, other antibiotics in the tetracycline family (e.g., doxycycline), or any ingredients of the medication.
What side effects are possible with this medication?
Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses. Side effects can be mild or severe, temporary or permanent.
The side effects listed below are not experienced by everyone who takes this medication. If you are concerned about side effects, discuss the risks and benefits of this medication with your doctor.
The following side effects have been reported by at least 1% of people taking this medication. Many of these side effects can be managed, and some may go away on their own over time.
Contact your doctor if you experience these side effects and they are severe or bothersome. Your pharmacist may be able to advise you on managing side effects.
- cramps or burning of the stomach
- itching of the rectal or genital areas
- sore mouth or tongue
Although most of the side effects listed below don't happen very often, they could lead to serious problems if you do not seek medical attention.
Check with your doctor as soon as possible if any of the following side effects occur:
- abdominal pain
- bulging soft spot on head of infants
- diarrhea (severe)
- increased sensitivity of the skin to sunlight
- joint pain, stiffness, or swelling
- loss of appetite
- nausea and vomiting
- visual changes
- yellowing of the skin
Stop taking the medication and seek immediate medical attention if any of the following occur:
- symptoms of a serious skin reaction (such as a severe blistering skin rash that causes the skin to peel or fall off; fever; or bloodshot eyes)
- symptoms of a severe allergic reaction (such as hives, difficulty breathing, and swelling of the face or throat)
Some people may experience side effects other than those listed. Check with your doctor if you notice any symptom that worries you while you are taking this medication.
Are there any other precautions or warnings for this medication?
Before you begin using a medication, be sure to inform your doctor of any medical conditions or allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should use this medication.
Birth control pills: Birth control pills may be less effective, and you may experience an increased risk of breakthrough bleeding, when you use minocycline at the same time. Your doctor may advise that you use a second form of birth control while taking this medication.
Diarrhea: Minocycline may infrequently cause a condition called pseudomembranous colitis (serious diarrhea caused by antibiotics). If you develop severe diarrhea after starting this medication, even several weeks after treatment, contact your doctor as soon as possible.
Discoloration of teeth: The use of minocycline during tooth development (from the last trimester of pregnancy to the age of 13 years) may cause permanent discoloration of the teeth (yellow-grey-brown). Though more commonly associated with long-term use of tetracyclines, this effect has also been known to occur after taking the medication for a short time. For this reason, minocycline should not be used by children 13 years old or younger unless other medications are unlikely to be effective or can't be used.
Drowsiness/reduced alertness: People who take minocycline may experience headaches, lightheadedness, dizziness, or loss of balance. Decreased hearing has been reported rarely by those who take this medication. These symptoms may disappear during therapy and usually disappear rapidly when the medication is stopped. Avoid activities requiring alertness, such as driving vehicles or using hazardous machinery if the medication affects you in this way.
Medical conditions: If you have liver disease or lupus, discuss with your doctor how this medication may affect your medical condition, how your medical condition may affect the dosing and effectiveness of this medication, and whether any special monitoring is needed.
Overgrowth of organisms: The use of antibiotics may occasionally result in an overgrowth of organisms not killed by medication. This can cause conditions such as yeast infections to occur for some women. Women may be able to prevent yeast infections by eating yogurt daily while taking minocycline.
Sun sensitivity: An exaggerated sunburn reaction may occur for some people taking minocycline. If skin redness appears, stop taking the medication and check with your doctor.
Pregnancy: This medication should not be used during pregnancy. If you become pregnant while taking this medication, contact your doctor immediately.
Breast-feeding: This medication passes into breast milk. If you are a breast-feeding mother and are taking minocycline, it may affect your baby. Do not breast-feed while taking this medication.
Children: Minocycline is not recommended for use by children younger than 13 years of age.
What other drugs could interact with this medication?
There may be an interaction between minocycline and any of the following:
- antacids containing aluminum, calcium or magnesium
- birth control pills
- bismuth subsalicylate
- calcium supplements
- iron and iron-containing vitamins
- penicillins (e.g., penicillin V, amoxicillin, ampicillin)
- potassium citrate
- retinoic acid derivatives (e.g., acitretin, tretinoin)
- sodium bicarbonate or citrate
If you are taking any of these medications, speak with your doctor or pharmacist. Depending on your specific circumstances, your doctor may want you to:
- stop taking one of the medications,
- change one of the medications to another,
- change how you are taking one or both of the medications, or
- leave everything as is.
An interaction between two medications does not always mean that you must stop taking one of them. Speak to your doctor about how any drug interactions are being managed or should be managed.
Medications other than those listed above may interact with this medication. Tell your doctor or prescriber about all prescription, over-the-counter (non-prescription), and herbal medications you are taking. Also tell them about any supplements you take. Since caffeine, alcohol, the nicotine from cigarettes, or street drugs can affect the action of many medications, you should let your prescriber know if you use them.
All material © 1996-2013 MediResource Inc. Terms and conditions of use. The contents herein are for informational purposes only. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.
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