Seemacillin – Ampicillin Sodium

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Seemacillin

125 mg/1.25 ml Pediatric Drops
Ampicillin Sodium · Seema Pharmaceuticals Ltd.
EN বাং
AI Summary Generated by AI for informational purposes only

This is an antibiotic medication used to treat a variety of moderate to severe bacterial infections. It is often given by injection and works by killing the infection-causing bacteria. It is generally considered safe during pregnancy and while breastfeeding.

Antibiotic — Prescription Required

This medicine is an antibiotic. It must only be used under a doctor's prescription. Misuse or incomplete courses can lead to antibiotic resistance and serious health risks.

Indications

Ampicillin is indicated in the treatment of infections caused by susceptible strains of the designated organism listed below:
  • Infections of the Genitourinary Tract Including Gonorrhea: E. coli, P. mirabilis, enterococci, Shigella, S. typhosa and other Salmonella, and nonpenicillinase-producing N. gononhoeae.
  • Infections of the Respiratory Tract: Nonpenicillinase-producing H. influenzae and staphylococci, and streptococci including streptococcus pneumoniae.
  • Infections of the Gastrointestinal Tract: Shigella, S. typhosa and other Salmonella, E. coli, P. mirabilis, and enterococci.
  • Meningitis: O. Meningitides.
Bacteriology studies to determine the causative organisms and their sensetivity to ampicillin should be performed. Therapy may be instituted prior to the results of susceptibility testing.

Pharmacology

Ampicillin inhibits bacterial cell wall synthesis by binding to 1 or more of the penicillin-binding proteins (PBPs) which in turn inhibit the final transpeptidation step of peptidoglycan synthesis in bacterial cell walls. Bacteria eventually lyse due to ongoing activity of cell wall autolytic enzymes (autolysins and murein hydrolases) while cell wall assembly is arrested.

Dosage

Intra-articular:
Supplement in systemic therapy for treatment of susceptible infections-
  • Adult: 500 mg daily.
  • Child: <10 yr Half of adult routine dosage.
Intraperitoneal:
Supplement in systemic therapy for treatment of susceptible infections-
  • Adult: 500 mg daily.
  • Child: <10 yr Half of adult routine dosage.
Intrapleural:
Supplement in systemic therapy for treatment of susceptible infections-
  • Adult: 500 mg daily.
  • Child: <10 yr Half of adult routine dosage
Intravenous:
Meningitis-
  • Adult: 2 gm 6 hrly.
  • Child: 150 mg/kg daily in divided doses.
Intrapartum prophylaxis against group B Streptoccocal infection in neonates-
  • Adult: Initially, 2 gm via IV inj followed by 1 gm 4 hrly until delivery.
Oral:
Biliary tract infections, Bronchitis, Endocarditis, Gastroenteritis, Listeriosis, Otitis media, Perinatal streptococcal infections, Peritonitis-
  • Adult: 0.25-1 gm 6 hrly.
  • Child: <10 yr Half of adult routine dosage.
Typhoid and paratyphoid fever-
  • Adult: 1-2 gm 6 hrly for 2 wk in acute infections, and 4-12 wk in carriers.
Uncomplicated gonorrhoea-
  • Adult: 2 gm with 1 gm of probenecid as single dose, recommended to be repeated in female patients.
Urinary tract infections-
  • Adult: 500 mg 8 hrly.
Parenteral:
Susceptible infections-
  • Adult: 500 mg 6 hrly, via IM or slow IV inj over 3-5 min or by infusion.
  • Child: <10 yr Half of adult routine dosage.
Septicaemia-
  • Adult: 150-200 mg/kg daily. Initiate with IV admin for at least 3 days, then continue with IM inj 3-4 hrly. Continue treatment for at least 48-72 hr after the patient has become asymptomatic or when there is evidence of bacterial eradication. Recommended treatment duration for infections caused by group-A β-haemolytic streptococci: At least 10-days, to prevent occurrence of acute rheumatic fever or acute glomerulonephritis.
  • Child: Same as adult dose.

Administration

Should be taken on an empty stomach. Take 1 hr before or 2 hr after meals.

Interaction

May reduce the efficacy of oral contraceptives. May alter INR while on warfarin and phenindione. May reduce the efficacy of oral typhoid vaccines. May reduce the excretion of methotrexate. Reduced excretion with probenecid and sulfinpyrazone, resulting to increased risk of toxicity. Allopurinol increases ampicillin-induced skin reactions. Reduced absorption with chloroquine. Bacteriostatic antibacterials (e.g. erythromycin, chloramphenicol, tetracycline) may interfere with the bactericidal action of ampicillin.

Contraindications

Hypersensitivity to ampicillin and other penicillins.

Side Effects

Nausea, vomiting, diarrhoea, erythematous maculo-papular rashes, sore mouth, black/hairy tongue, rash, erythema multiforme, Stevens-Johnson syndrome, toxic epidermal necrolysis, angioedema, fever, joint pains, serum sickness-like symptoms, haemolytic anaemia, thrombocytopenia, leucopenia, neutropenia, coagulation disorders, prolonged bleeding time and prothrombin time, CNS toxicity (e.g. convulsions); paraesthesia, nephropathy, interstitial nephritis, hepatitis, cholestatic jaundice, moderate and transient increase in transaminases, Anaphylaxis, Clostridium difficile-associated diarrhoea (CDAD).

Pregnancy & Lactation

Pregnancy Category B. Either animal-reproduction studies have not demonstrated a fetal risk but there are no controlled studies in pregnant women or animal-reproduction studies have shown an adverse effect (other than a decrease in fertility) that was not confirmed in controlled studies in women in the 1st trimester (and there is no evidence of a risk in later trimesters).

Precautions & Warnings

Patient with history of β-lactam allergy. During renal impairment, Pregnancy and lactation.

Use in Special Populations

Renal Impairment: CrCl<10: Dose reduction or increase in dose interval.

Overdose Effects

Symptoms: Nausea, vomiting and diarrhoea.
Management: Symptomatic and supportive treatment. May be removed from the circulation by haemodialysis.

Reconstitution

Intramuscular: Add 1.5 mL water for inj to 500 mg vial contents.

Intravenous: Dissolve 500 mg in 10 mL water for inj. May be added to infusion fluids or injected, suitably diluted into the drip tube.

Intra-articular: Dissolve 500 mg in up to 5 mL of water for inj or sterile procaine HCl 0.5% soln.

Intraperitoneal: Dissolve 500 mg in up to 10 mL water for inj.

Intrapleural: Dissolve 500 mg in 5-10 mL water for inj.

Storage Conditions

Store between 20-25° C. Reconstituted oral susp: Store between 2-8° C (discard after 14 days).

The information provided on this page is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before starting, stopping, or changing any medication. All brands listed might have copyright or trademark of their respective owners. Listed information may not be up-to-date or accurate. We do not guarantee the availability, quality, price or safety of any medication. Use at your own risk.

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