Myctec contains Clarithromycin. Myctec uses:

  • LRTIs for example, acute and chronic bronchitis and pneumonia.
  • URTIs for example, sinusitis and pharyngitis.
  • Community-acquired pneumonia, atypical pneumonia
  • Skin and soft tissue infection
  • Adjunct in the treatment of duodenal ulcers to eradicate of H. pylori
Brand Name: Myctec
Generic: Clarithromycin
Weight: 500.0 Mg
Type: Tablet
Therapeutic Class: Macrolides
Price: 679.15
Last Updated: 2020-11-21 18:15:00


Myctec contains Clarithromycin 500.0 Mg. Myctec doses

Myctec may be given with or without meals.

Adults (12 years or above):

250 mg twice daily for 7 days. Dose may be increased to 500 mg twice daily for up to 14 days in pneumonia or severe infections.

Combination therapy for H. pylori infection:

Myctec 500 mg (two 250 mg tablets or one 500 mg tablet) twice daily in combination with Amoxicillin 1000 mg twice daily and Omeprazole 20 mg twice daily should be continued for 10 days.


The usual recommended daily dosage is 15 mg/kg in 2 divided doses for 10 days.


Approximate Calculation of dose:

1. For 9kg body weight 2.5ml 12 hourly for 10 days

2. For 17kg body weight 5ml 12 hourly for 10 days

3. For 25kg body weight 7.5ml 12 hourly for 10 days

4. For 33kg body weight 10ml 12 hourly for 10 days


Direction for reconstitution of suspension:

Shake the bottle to loosen granules. Add 35 ml of boiled and cooled water with the help of the supplied cup, to the dry granules of the bottle. For ease of preparation, add water to the bottle in two proportions. Shake well after each addition until all the granules is in suspension.

Note: Shake the suspension well before each use. Keep the bottle tightly closed. The reconstituted suspension should be stored in a cool and dry place, preferably in refrigerator.

This may be given with or without meals.

The usual duration of treatment is 6 to 14 days. 

Children older than 12 years: As for adults. 

Eradication of H. pylori in patients with duodenal ulcers: Adults: The usual duration of treatment is 6 to 14 days.

45 ml of water is to be added to the granules in the bottle and shaken to yield 70 ml of reconstituted suspension. The concentration of clarithromycin in the reconstituted suspension is 125 mg per 5 ml.

Side Effects

The most frequently reported events in adults taking Myctec were diarrhoea (3%), nausea (3%), abnormal taste (3%), dyspepsia (2%), abdominal pain/discomfort (2%), headache (2%) and oral monilia.


Myctec is a macrolide antibiotic. It acts by inhibiting microsomal protein synthesis by binding to the 50S subunit of the bacterial ribosome. Myctec is active against most gram-positive bacteria, Chlamydia, some gram-negative bacteria and Mycoplasmas.


Caution should be taken in administering this antibiotic to patients with impaired hepatic and renal function. Prolonged or repeated use of Myctec may result in an overgrowth of nonsusceptible bacteria or fungi. If superinfection occurs, Myctec should be discontinued.

Pharmaceutical precaution

Myctec tablet should be stored in a cool and dry place and away from sunlight.


Concomitant use of Myctec who are receiving Theophylline may be associated with an increase in serum Theophylline concentrations. Myctec may alter the metabolism of Terfenadine. The effects of digoxin may be potentiated with concomitant administration of Myctec. Myctec resulted in decrease in serum levels of Rifabutin, followed by an increased risk of uveitis.

Pregnancy Lactation use

Myctec is not recommended for pregnant women. Breast milk from mothers receiving Myctec should not be given to infants until treatment is completed. Myctec may be used in neonates and children in appropriate doses.


Hypersensitive to Myctec, Erythromycin or any of the macrolide antibiotics. Patients receiving terfenadine who have pre-existing cardiac abnormalities or electrolyte disturbances.

Special Warning

Myctec may be used in neonates and children in appropriate doses.

Acute Overdose

Signs & Symptoms : Ingestion of large amounts of Myctec can be expected to produce gastrointestinal symptoms. Symptoms of overdose may largely correspond to the profile of side effects.

Management: There is no specific antidote on overdose. Serum levels of Myctec can not be reduced by haemodialysis or peritoneal dialysis.

Interaction with other Medicine


Storage Condition

Store in a cool and dry place, protected from light.

Myctec Tablet price in India 679.15