Question 1

What are the indications and effects of Claritin Tablets 500mg (Clarithromycin)?

Accepted Answer

This medication is effective against a variety of bacteria. It is mainly used for lower respiratory tract infections like bronchitis and pneumonia, as well as upper respiratory tract infections such as pharyngitis and sinusitis. It is also helpful in treating skin and soft tissue infections. It is administered for mycobacterial infections caused by Mycobacterium avium and Mycobacterium intracellularis. In patients with duodenal ulcers, it is used to eliminate Helicobacter pylori bacteria. Thus, it is widely used for treating various infections.

Question 2

What are the dosage and administration instructions for Claritin Tablets 500mg (Clarithromycin)?

Accepted Answer

○ Adults
: The usual dose of clarithromycin is 250mg (potency) twice daily. For severe infections, administer 500mg (potency) twice daily.
The treatment period is usually 7～14 days. In patients with renal impairment and a creatinine clearance of 30mL/min or less, the dose should be reduced by half.
That is, administer 250mg (potency) once daily; for severe infections, administer 250mg (potency) twice daily. Do not administer this medicine to these patients for more than 14 days.

○ Mycobacterial infections
: Administer 500mg (potency) of this medicine twice daily. In this case, it 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 with omeprazole 40mg once daily for 14 days, 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).

Answer

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

Question 3

What are the side effects of Claritin Tablets 500mg (Clarithromycin)?

Accepted Answer

Shock, anaphylactic symptoms, dyspnea, convulsions, redness, rash, itching, urticaria, skin erythema, angioedema, joint swelling, drug rash, abdominal distension, nausea, vomiting, dyspepsia, abdominal pain, malaise, flatulence, diarrhea, oral mucosal erosion, upper abdominal pain, thirst, teeth discoloration, pancreatitis, increased amylase, taste disturbance, anorexia, constipation, discoloration of stools, pseudomembranous colitis, hemorrhagic colitis, fever, cough, dyspnea, abnormal chest X-ray, eosinophilia, eosinophilic lung infiltration, interstitial pneumonia, chronic bronchitis, acute maxillary sinusitis, eosinophilia, thrombocytopenia, pancytopenia, hemolytic anemia, leukopenia, agranulocytosis, dizziness, depression, loss of taste, loss of smell, anxiety, insomnia, nightmares, tinnitus, confusion, disorientation, hallucination, psychosis, depersonalization, convulsions, tremors, numbness, behavior changes, manic behavior, Stevens-Johnson syndrome, toxic epidermal necrolysis, allergic purpura, drug rash (DRESS), jaundice, hepatocellular hepatitis, cholestatic hepatitis, elevated liver enzymes, liver dysfunction, liver failure, fulminant hepatitis, elevated AST, elevated ALT, elevated γ-GTP, elevated LDH, elevated ALP, increased total bilirubin, elevated serum creatinine, elevated BUN, interstitial nephritis, renal failure, rhabdomyolysis, myalgia, weakness, elevated CPK, elevated blood myoglobin, elevated urinary myoglobin, glossitis, stomatitis, oral candidiasis, QT prolongation, ventricular tachycardia, Torsades de pointes, lethargy, headache, taste disturbances, hearing loss, paraesthesia, arthralgia, myalgia, olfactory disturbances, tinnitus, hearing impairment

Question 4

What precautions should be taken when using Claritin Tablets 500mg (Clarithromycin)?

Accepted Answer

This medication should not be used in certain patients. For example, individuals allergic to the ingredients in this medication or those who have had hypersensitivity reactions to certain antibiotics should not take it.
Additionally, patients with certain heart conditions or severely impaired liver or kidney function, as well as pregnant or nursing women, should not use this medication.
This medication may interact with other drugs, so if you are currently taking any medications, be sure to consult with your doctor or pharmacist. Combining this medication with other drugs that may affect the heart can be dangerous.
While using this medication, liver and kidney function should be monitored regularly, and any abnormal symptoms should be reported to healthcare professionals immediately.
If symptoms such as rashes, difficulty breathing, severe abdominal pain, diarrhea, dizziness, etc., occur while taking the medication, it should be discontinued immediately, and you should go to the hospital.
Children, the elderly, and patients with weak liver or kidney function should be more cautious when using this medication, and dose adjustments may be necessary.
Long-term use or overdose may lead to auditory disturbances or muscle-related side effects, so be careful.
This medication can cause dizziness or confusion while driving or operating machinery, so caution is advised.
To prevent the development of antibiotic-resistant bacteria, take this medication strictly as prescribed by your doctor regarding the duration and dosage.

Claritin Tablets 500mg (Clarithromycin)

Summary

Ingredients

Efficacy & effects

How to take

Adult dose

Child dose

Precautions

Side effects

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