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Minocin Injection Side Effects Center
Medical Editor: John P. Cunha, DO, FACOEP
Minocin (minocycline) for Injection is an antibiotic used to treat certain bacterial infections. Common side effects include nausea, vomiting, diarrhea, lightheadedness, dizziness, unsteadiness, drowsiness, mouth sores, or cough.
Usual adult initial dose of Minocin is 200 mg, then 100 mg every 12 hours and should not exceed 400 mg in 24 hours. Usual pediatric initial dose is 4 mg/kg, then 2 mg/kg every 12 hours, not to exceed the usual adult dose. Minocin may interact with anticoagulants, penicillin, methoxyflurane, oral contraceptives, isotretinoin, or ergot alkaloids. Tell your doctor all medications and supplements you use. Minocin may harm a fetus and is not recommended for use during pregnancy. Tell your doctor if you are pregnant or become pregnant during treatment. Minocin passes into breast milk. Consult your doctor before breastfeeding.
Our Minocin (minocycline) for Injection Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.
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.
What is Patient Information Overview?
A concise overview of the drug for the patient or caregiver from First DataBank.
Minocin Injection Overview - Patient Information: Side Effects
To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor right away if you have any very serious side effects, including: weakness, unusual tiredness, brown/gray tooth discoloration, muscle pain, numbness/tingling of the hands/feet, change in the amount of urine, sunburn-like skin reaction (sun sensitivity), blue/gray/brown discoloration of the skin/lips/tongue/gums, hearing changes (such as ringing in the ears, decreased hearing), easy bruising/bleeding, stopping of menstrual periods, new signs of infection (such as persistent sore throat, fever, chills).
Tetracycline drugs such as minocycline may rarely cause a serious increase in pressure inside the skull (intracranial hypertension-IH). The risk of this side effect is greater for women of childbearing age who are overweight or who have had IH in the past. If IH develops, it usually goes away after minocycline is stopped; however, there is a chance of permanent vision loss or blindness. Get medical help right away if you have: persistent/severe headache, vision changes (such as blurred/double vision, decreased vision, sudden blindness), persistent nausea/vomiting.
This medication may rarely cause a severe intestinal condition (Clostridium difficile-associated diarrhea) due to a type of resistant bacteria. This condition may occur during treatment or weeks to months after treatment has stopped. Do not use anti-diarrhea products or narcotic pain medications if you have any of the following symptoms because these products may make them worse. Tell your doctor immediately if you develop: persistent diarrhea, abdominal or stomach pain/cramping, blood/mucus in your stool.
Use of this medication for prolonged or repeated periods may result in oral thrush or a new vaginal yeast infection. Contact your doctor if you notice white patches in your mouth, a change in vaginal discharge, or other new symptoms.
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any of the following symptoms of a serious allergic reaction, including: rash, skin lesions/sores, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing, new or worsening swelling/pain in the joints, swollen glands, chest pain, loss of appetite/weight loss, fast/irregular heartbeat, severe stomach/abdominal pain, yellowing eyes/skin, dark urine.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Read the entire patient information overview for Minocin Injection (Minocycline Inj)»
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
Minocin Injection FDA Prescribing Information: Side Effects
The following adverse reactions have been observed in patients receiving tetracyclines.
Body as a whole: Fever, and discoloration of secretions.
Gastrointestinal: Anorexia, nausea, vomiting, diarrhea, dyspepsia, stomatitis, glossitis, dysphagia, enamel hypoplasia, enterocolitis, pseudomembranous colitis, pancreatitis, inflammatory lesions (with monilial overgrowth) in the oral and anogenital regions. These reactions have been caused by both the oral and parenteral administration of tetracyclines.
Hepatic toxicity: Hyperbilirubinemia, hepatic cholestasis, increases in liver enzymes, fatal hepatic failure, and jaundice. Hepatitis, including autoimmune hepatitis, and liver failure have been reported (See PRECAUTIONS).
Skin: Alopecia, erythema nodosum, hyperpigmentation of nails, pruritus, toxic epidermal necrolysis, and vasculitis, maculopapular and erythematous rashes. Exfoliative dermatitis has been reported. Fixed drug eruptions have been reported. Lesions occurring on the glans penis have caused balanitis. Erythema multiforme and Stevens-Johnson syndrome have been reported. Photosensitivity is discussed above (See WARNINGS). Pigmentation of the skin and mucous membranes has been reported.
Local Reactions: Injection site erythema and injection site pain.
Renal toxicity: Interstitial nephritis. Elevations in BUN have been reported and are apparently dose related (See WARNINGS). Acute renal failure has been reported.
Hypersensitivity reactions: Urticaria, angioneurotic edema, polyarthralgia, anaphylaxis/anaphylactoid reaction (including shock and fatalities), anaphylactoid purpura, myocarditis, pericarditis, exacerbation of systemic lupus erythematosus, and pulmonary infiltrates with eosinophilia have been reported. A lupus-like syndrome and serum sickness-like reactions also have been reported.
Central Nervous System: Convulsions, dizziness, hypesthesia, paresthesia, sedation, and vertigo. Pseudotumor cerebri (benign intracranial hypertension) in adults and bulging fontanels in infants (See PRECAUTIONS - General). Headache has also been reported.
Other: Thyroid cancer has been reported in the post-marketing setting in association with minocycline products. When minocycline therapy is given over prolonged periods, monitoring for signs of thyroid cancer should be considered. When given over prolonged periods, tetracyclines have been reported to produce brown-black microscopic discoloration of the thyroid gland. Cases of abnormal thyroid function have been reported.
Tooth discoloration in pediatric patients less than 8 years of age (see WARNINGS) and in adults has been reported.
Oral cavity discoloration (including tongue, lip, and gum) have been reported.
Tinnitus and decreased hearing have been reported in patients on MINOCIN® (minocycline for injection).
The following syndromes have been reported. In some cases involving these syndromes, death has been reported. As with other serious adverse reactions, if any of these syndromes are recognized, the drug should be discontinued immediately:
Hypersensitivity syndrome consisting of cutaneous reaction (such as rash or exfoliative dermatitis), eosinophilia, and one or more of the following: hepatitis, pneumonitis, nephritis, myocarditis, and pericarditis. Fever and lymphadenopathy may be present.
Lupus-like syndrome consisting of positive antinuclear antibody; arthralgia, arthritis, joint stiffness, or joint swelling; and one or more of the following: fever, myalgia, hepatitis, rash, and vasculitis.
Serum sickness-like syndrome consisting of fever; urticaria or rash; and arthralgia, arthritis, joint stiffness, or joint swelling. Eosinophilia may be present.
Read the entire FDA prescribing information for Minocin Injection (Minocycline Inj) »
Additional Minocin Injection Information
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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