Medication info
Clarithromycin 500 mg Tablet

Clarithromycin 500 mg Tablet

Prescription medicationTablet
Ingredient · strength
Clarithromycin›500mg / 1 tablet
Manufacturer / importer
(Co., Ltd.) Huons Meditech
Appearance
Yellow oval film-coated tablet
Packaging
30 tablets/bottle, 200 tablets/bottle
Approval status
Active

MFDS item code 201604128 · Approved 2016.07.01 · Insurance code 670401490

Summary

Main use
Treatment of respiratory and skin infections and mycobacterial infections; eradication of Helicobacter pylori in duodenal ulcer
Who uses it
Adults · Children
Adult dosage
Adults: The usual dose of clarithromycin is 250mg (potency) twice daily. For severe infections, administer 500mg (potency) twice daily. The usual treatment duration is 7~14 days. In patients with renal impairment and a creatinine clearance of 30mL/min or less, the dose should be reduced by half: 250mg (potency) once daily, or, for severe infections, 250mg (potency) twice daily. Do not administer this medicine to these patients for more than 14 days. Mycobacterial infections: Administer 500mg (potency) twice daily. In this case, this medicine should be administered in combination with other antimycobacterial agents, such as ethambutol, clofazimine, and rifampin. Eradication of Helicobacter pylori in patients with duodenal ulcers: Administer 500mg (potency) of this medicine three times daily for 14 days in combination with omeprazole 40mg once daily, followed by omeprazole 40mg once daily for 14 consecutive days. That is, administer clarithromycin 500mg (potency) three times daily for 14 days (days 1~14) and omeprazole 40mg once daily for 28 days (days 1~28).
Children's dosage
Children aged 12 years and older: same as adults For children under 12 years, use clarithromycin dry syrup.

Ingredients

Manufacturer
(Co., Ltd.) Huons Meditech

Efficacy & effects

Treatment of respiratory and skin infections and mycobacterial infections; eradication of Helicobacter pylori in duodenal ulcer

  • Bronchitis
  • pneumonia
  • pharyngitis
  • sinusitis
  • skin infections
  • soft tissue infections
  • mycobacterial infections
  • duodenal ulcers
View approved original text

This medicine can treat infections caused by various bacteria, including Staphylococcus aureus, Streptococcus pneumoniae, and Haemophilus influenzae. It is primarily used for lower respiratory tract infections such as bronchitis and pneumonia, upper respiratory tract infections such as pharyngitis and sinusitis, as well as skin and soft tissue infections. Additionally, it is effective against Mycobacterium avium and intracellular infections, and for the eradication of Helicobacter pylori in patients with duodenal ulcers. Using this medicine can help improve various types of bacterial infections.

Dosage and Administration

Adult dosage

Adults: The usual dose of clarithromycin is 250mg (potency) twice daily. For severe infections, administer 500mg (potency) twice daily. The usual treatment duration is 7~14 days. In patients with renal impairment and a creatinine clearance of 30mL/min or less, the dose should be reduced by half: 250mg (potency) once daily, or, for severe infections, 250mg (potency) twice daily. Do not administer this medicine to these patients for more than 14 days. Mycobacterial infections: Administer 500mg (potency) twice daily. In this case, this medicine should be administered in combination with other antimycobacterial agents, such as ethambutol, clofazimine, and rifampin. Eradication of Helicobacter pylori in patients with duodenal ulcers: Administer 500mg (potency) of this medicine three times daily for 14 days in combination with omeprazole 40mg once daily, followed by omeprazole 40mg once daily for 14 consecutive days. That is, administer clarithromycin 500mg (potency) three times daily for 14 days (days 1~14) and omeprazole 40mg once daily for 28 days (days 1~28).

Children's dosage

Children aged 12 years and older: same as adults For children under 12 years, use clarithromycin dry syrup.

Precautions

This medicine should not be administered to patients with certain medications or conditions. For example, patients with allergies to any of the components of this medicine or those with certain heart diseases, severe liver dysfunction, or significantly reduced kidney function may be at risk if they use this medication. Additionally, it is advisable for pregnant or nursing women to avoid taking this medicine, as it can affect the baby. When using this medication, careful monitoring of liver and kidney function is necessary, and patients with heart disease should use it cautiously, considering the potential for heart problems such as arrhythmias. This medicine can interact with various other medications, so if you are taking other medicines, it is essential to inform your doctor or pharmacist. Special caution is needed when used in conjunction with specific heart medications, anticoagulants, anticonvulsants, immunosuppressants, etc. While taking this medicine, symptoms such as allergic reactions, gastrointestinal disturbances, liver dysfunction, reduced kidney function, and central nervous system abnormalities may occur; if these symptoms arise, you should consult a healthcare professional immediately. In cases of overdose, gastrointestinal symptoms or changes in mental state may appear, requiring immediate emergency treatment. Finally, the safety of this medicine for children, especially those under 12 years of age, has not been thoroughly studied, so special caution is needed when administering it to children.

Side effects

Shock, anaphylactic symptoms, respiratory distress, convulsions, flushing, rash, itching, urticaria, mild skin flushing, angioedema, joint swelling, drug rash, abdominal distention, nausea, vomiting, dyspepsia, abdominal pain, malaise, bloating, diarrhea, oral mucosal erosion, upper abdominal pain, thirst, transient tooth discoloration, pancreatitis, increased amylase, taste alteration, decreased appetite, constipation, stool discoloration, membrane colitis, hemorrhagic colitis, fever, cough, abnormal chest X-ray, eosinophilia, eosinophilic lung infiltrates, interstitial pneumonia, chronic bronchitis, acute exacerbation of maxillary sinusitis, thrombocytopenia, pancytopenia, hemolytic anemia, leukopenia, agranulocytosis, dizziness, depression, loss of taste, loss of smell, anxiety, insomnia, nightmares, tinnitus, confusion, disorientation, hallucination, psychosis, dissociation, tremor, numbness, behavioral changes, manic behavior, Stevens-Johnson syndrome, toxic epidermal necrolysis, allergic purpura, drug rash (DRESS), jaundice, hepatocellular hepatitis, cholestatic hepatitis, increase in liver enzymes, liver dysfunction, liver failure, fulminant hepatitis, elevated AST, elevated ALT, increased γ-GTP, increased LDH, elevated ALP, increased total bilirubin, decreased appetite, dark urine, itching, abdominal tenderness, elevated serum creatinine, elevated BUN, interstitial nephritis, renal failure, rhabdomyolysis, myalgia, weakness, elevated CPK, elevated serum myoglobin, elevated urinary myoglobin, glossitis, stomatitis, oral candidiasis, QT prolongation, ventricular tachycardia, Torsades de pointes, fatigue, headache, taste disorders, hearing loss, paresthesia, arthralgia, myalgia, olfactory disorders, tinnitus, auditory impairment, hypoglycemia, tinnitus, hearing impairment, vomiting, purpuric rash, acute generalized pustular psoriasis, venous inflammation at the injection site, injection site pain, injection site inflammation, fever, weakness, chest pain, chills, fatigue, abnormal albumin-globulin ratio, increased serum alkaline phosphatase, increased serum lactate dehydrogenase, increased INR, prolonged prothrombin time, abnormal urine color

Not everyone experiences these, and they can vary from person to person.

Storage

This medicine is sensitive to light and should be stored in a special container protected from light. Additionally, it is important to store it at room temperature between 15 and 30 degrees Celsius to maintain its effectiveness.

Appearance and packaging

Appearance

Yellow oval film-coated tablet

Package unit

30 tablets/bottle, 200 tablets/bottle

Same-ingredient medicines

Even with the same ingredient, strength, dosage form and how it is taken can differ.

Even with the same ingredient, the dose and directions can differ by strength and dosage form. Talk to a doctor or pharmacist before switching from a medication you are already taking.

Questions about this medicine

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This drug information is based on data provided by the Korea Ministry of Food and Drug Safety.
Consult a doctor or pharmacist for accurate dosage, administration, and usage instructions.