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Drug information on Cynomycin (Minocycline) from Wyeth Limited


Wyeth Limited
Generic : Minocycline
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Drug Name : Minocycline

Minocycline(Dynacin) generic Minocycline is a broad spectrum tetracycline antibiotic. It acts by inhibiting the growth of bacteria in the body. • It is used for certain infections such as rickettsial infections like Rocky Mountain Spotted fever, typhus fever, rickettseal pox and tick fever, transmitted diseases like lymphogranuloma venereum, granuloma inguinale, chancroid and non-gonococcal urethritis, eye infections like trachoma and inclusion conjunctivitis, atypical pneumonia, psittacosis, relapsing fever, acne, brucellosis, Campylobacter infections, bartonellosis, plague and cholera. •It may be effective in other infections as well, however several bacteria have developed resistance to the drug. •It may be used in patients who are allergic to the penicillin group of drugs as an alternative. •It is also used in people who carry the meningococcal bacteria in their nose and upper throat but do not suffer from any symptoms. •Local application of minocycline is used in patients with gum disease along with scaling and root planing.
More Info about Minocycline

Madhumathi Palaniappan
Written & Compiled by Madhumathi Palaniappan, B.Pharm
Medically Reviewed by The Medindia Medical Review Team on Apr 25, 2016

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Medical Condition(s) for which Cynomycin may be prescribed

Side effects of Cynomycin

  Digestive tract: Loss of appetite, nausea, vomiting, diarrhea, indigestion, mouth ulcer, discoloration of the tongue and difficulty in swallowing.

   Genitourinary: Vaginal inflammation

   Liver: Liver disease, jaundice, and liver failure.

  Skin: Skin rash, itching, pigmentation of nails, hair loss,serious skin reactions, light-sensitive skin reactions.

  Respiratory: Cough, difficulty in breathing, asthma and lung inflammation.

  Kidney: Kidney damage, kidney failure.

  Musculoskeletal: Joint pain/swelling / stiffness, tooth discoloration in children when the drug is taken during pregnancy, or when it is administered in children, muscle pain.

  Ear: Hearing difficulties

  Allergic reactions : Allergic reactions which may be mild to severe

  Blood: Decrease in blood cell counts.

  Central Nervous System: Seizures, dizziness, tingling, sedation, headache and unsteadiness.

  Miscellaneous: Fever, discolorations of secretions

Dosage & When it is to be taken (Indications)

Children over 12 years: 50mg every 12 hours.
Adults- The usual dosage is 100 mg every 12 hours. The dosage and duration varies according to the type of infection.
For local use in the gums, the dose is 1mg given beneath the gums.

How to use Cynomycin?

Minocycline comes as a tablet, capsule and syrup to take by mouth, with a glass full of water with or without food.
For local use in the mouth, minocycline is available as a dry powder in a cartridge that has to be injected below the gums with a cartridge handling mechanism.

When is Cynomycin not to be taken? (Contraindications)

Patients allergic to the drug should not take it.

Warnings and Precautions for Cynomycin

Caution should be exercised in patients with history of asthma, kidney or liver problems, autoimmune disorder, diabetes, any allergy, who are taking other medications, during pregnancy and breastfeeding.

• It may cause dizziness or drowsiness, do not drive a car or operate machinery while taking this medication.

• Avoid exposure to direct sunlight.

• Not recommended for children below 12 years since it can affect teeth and bones.

Other Precautions for Cynomycin

Avoid long-term use of this medication; otherwise it may cause secondary infection.
Avoid excess dosage.
Minocycline tablet should be swallowed whole with plenty of water to reduce the risk of irritation or ulceration to the foodpipe.
Monitor for possible thyroid cancer in patients who are prescribed the drug over prolonged duration.

Drug Interactions of Cynomycin

Minocycline should be avoided with:
• Anticoagulants like warfarin since the combination may increase bleeding.
• Penicillin antibiotics like ampicillin and penicillin G because it may interfere with the action of penicillins.
• Antacids and iron containing products as they may reduce the absorption of minocycline from the digestive tract.
• Oral contraceptives containing estrogen since minocycline may reduce the effect of the contraceptives, thereby resulting in unwanted pregnancy.
• Retinoids like isoretinoin, acitretin therapy which are used to treat acne because of an increased risk of intracranial hypertension.
• The anesthetic gas methoxyflurane which may result in kidney damage.
• Ergot alkaloids like ergotamine, ergometrine as the combination may cause ergot poisoning.
• Drugs used in the treatment of epilepsy like barbiturates and phenytoin which reduce the effect of minocycline.
• Other drugs that may damage the liver like anti-tuberculosis medications.
• Typhoid vaccine due to reduced efficacy of the vaccine if administered along with minocycline.

Storage Conditions for Cynomycin

Keep this medication in a tightly closed container and out of the reach of children. Store it at room temperature, protect from excess heat and moisture.

Schedule : H  Prescription drugs - Drugs to be sold only under the prescription of a Registered Medical Practitioner.

Disclaimer : updates the prices regularly, however despite that there may be discrepancies in the prices displayed. This can be due to many reasons including -
  • Difference in GST/local taxes
  • Change in price by the company
  • Updation of information may not have happened at the right time
For the above reasons Medindia cannot be held liable for any action taken based on the information provided by its website. The purpose of this website is to only provide the initial guidance and it does not intend to replace professional medical opinion in any manner whatsoever.

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