1. Product Description
- Name: G-Mycin 250mg (Azithromycin)
- Type: Macrolide Antibiotic
- Form: Oral capsule
- Strength: 250 mg per capsule
2. Chemical Information
- Chemical Name: Azithromycin
- Molecular Formula: C38_{38}38H72_{72}72N2_{2}2O12_{12}12
- Molecular Weight: Approximately 749.98 g/mol
3. Indications
- Primary Uses:
- Treatment of respiratory infections (e.g., bronchitis, pneumonia)
- Treatment of skin infections (e.g., cellulitis, impetigo)
- Treatment of sexually transmitted infections (e.g., chlamydia, gonorrhea)
- Treatment of ear infections (e.g., otitis media)
- Treatment of certain throat infections (e.g., pharyngitis, tonsillitis)
4. Dosage and Administration
- Dosage Form:
- 250 mg Capsules: Typically used in a variety of infections.
- Typical Dosage Schedule:
- 250 mg: Dosage may vary based on the infection being treated. Commonly prescribed as a single daily dose for 3 to 5 days, or as directed by a healthcare provider.
- Administration: Swallow capsules whole with a full glass of water. Do not crush, chew, or break the capsules.
5. Pharmacokinetics
- Absorption: Azithromycin is well absorbed from the gastrointestinal tract. Peak plasma concentrations are generally reached within 2 to 3 hours after oral administration.
- Distribution: Widely distributed throughout body tissues, with high concentrations in tissues such as the lungs, tonsils, and skin.
- Metabolism: Metabolized primarily in the liver.
- Excretion: Excreted mainly in bile and feces, with a small amount in urine.
6. Side Effects
- Common Side Effects:
- Gastrointestinal symptoms (e.g., nausea, vomiting, diarrhea)
- Abdominal pain
- Headache
- Serious Side Effects:
- Risk of severe allergic reactions (e.g., rash, itching, swelling, difficulty breathing)
- Risk of liver issues (e.g., elevated liver enzymes, hepatitis)
- Risk of heart rhythm problems (e.g., QT prolongation)
- Risk of Clostridium difficile infection in the colon
7. Contraindications
- Known Allergies: Hypersensitivity to azithromycin, other macrolide antibiotics, or any component of the formulation.
- Liver Disease: Caution in patients with severe liver impairment.
8. Precautions
- Caution: Use with caution in patients with a history of liver disease, kidney impairment, or those who are pregnant or breastfeeding.
- Drug Interactions: May interact with other medications, including those affecting liver enzymes (e.g., warfarin, certain antifungals). Inform your healthcare provider about all medications you are taking.
- Monitoring: Monitor for signs of allergic reactions and potential liver or heart issues, particularly in long-term use.
9. Storage
- Conditions: Store at room temperature, away from moisture and heat.
- Packaging: Typically available in blister packs or bottles with child-resistant caps.
10. Patient Counseling Information
Report Symptoms: Notify your healthcare provider if you experience severe side effects or signs of an allergic reaction.
Adherence: Complete the full course of treatment as prescribed, even if symptoms improve before finishing the medication.
Timing: Take as directed, usually once daily.