What Is Augmentin 1g
Tablets and What Is It Used For?
Augmentin 1g tablets contain amoxicillin 875 mg combined with
clavulanic acid 125 mg. Amoxicillin is a broad-spectrum aminopenicillin
antibiotic that kills bacteria by inhibiting cell wall synthesis. Clavulanic
acid is a beta-lactamase inhibitor; it irreversibly inactivates bacterial
beta-lactamase enzymes that would otherwise destroy amoxicillin. This combination
restores and extends amoxicillin's spectrum of activity against
beta-lactamase-producing organisms.
Augmentin 1g is the adult high-dose formulation and is among
the most widely prescribed antibiotics for community-acquired infections in
Kenya. It is effective against a broader range of resistant organisms than
plain amoxicillin, making it useful for infections that have failed plain
amoxicillin, recurrent infections, or infections with a high probability of
beta-lactamase-producing pathogens.
Approved uses
•
Lower respiratory tract infections: community-acquired
pneumonia, acute exacerbation of COPD, bronchitis
•
Acute otitis media (ear infection) in adults
•
Acute sinusitis
•
Urinary tract infections (complicated or recurrent) including
pyelonephritis
•
Skin and soft tissue infections including animal/human bites
•
Dental infections, including dentoalveolar abscess
•
Gynaecological infections
•
Post-surgical prophylaxis and treatment
How to Take This
Medicine
General Instructions
Take Augmentin 1g at the start of a meal to improve
tolerability and reduce gastrointestinal side effects. Swallow tablets whole
with water. Do not crush or break unless directed. Space doses evenly
throughout the day.
Dosage, Adults
Standard adult dose: one 1g tablet twice daily (every 12
hours) for 5–14 days depending on infection type and severity. For severe
infections, the prescriber may adjust.
Elderly Patients
No routine dose adjustment required; monitor for renal
impairment (dose reduction if eGFR < 30 mL/min based on amoxicillin
component).
Missed Dose
Take the missed dose as soon as remembered unless the next
dose is within 6 hours. Do not double up.
Duration of Treatment
Complete the full prescribed course. Duration varies: sinusitis/otitis
(5–7 days); UTI (7–10 days); pneumonia (7–14 days); skin infections (5–7 days).
Do not stop early even if symptoms improve.
Side Effects
Common Side Effects
•
Diarrhoea, most common side effect; take with food to reduce
•
Nausea and vomiting
•
Abdominal pain and indigestion
•
Skin rash (non-allergic maculopapular rash)
Less Common Side Effects
•
Vaginal or oral thrush (candidiasis), disruption of normal
flora
•
Headache
•
Raised liver enzymes
•
Flatulence
Serious / Seek Immediate Medical Attention
•
Anaphylaxis, severe penicillin allergy with throat swelling,
collapse, difficulty breathing, EMERGENCY
•
Cholestatic jaundice and hepatitis (clavulanate-associated;
may occur weeks after stopping)
•
Clostridium difficile-associated diarrhoea (CDAD), watery/bloody
stool, fever; stop and seek care
•
Stevens-Johnson syndrome / TEN (rare)
Contraindications
|
⚠ CONTRAINDICATIONS • Known
hypersensitivity to amoxicillin, clavulanic acid, any penicillin, or any
beta-lactam • Previous
jaundice or hepatic dysfunction caused by Augmentin or
amoxicillin-clavulanate • Infectious
mononucleosis (glandular fever), risk of severe maculopapular rash |
Safety Warnings and
Special Precautions
•
Always document prior penicillin allergy history before
dispensing.
•
Clavulanate has a higher rate of hepatotoxicity than
amoxicillin alone, monitor liver function if course exceeds 14 days or repeated
courses are given.
•
In Kenya, be aware of high amoxicillin resistance rates in E.
coli, request culture and sensitivity for complicated UTIs rather than assuming
empirical coverage.
•
Reduce dose in significant renal impairment: if eGFR < 30
mL/min, do not use the 875/125 mg formulation; switch to 500/125 mg and extend
dosing interval.
•
Prolonged treatment may cause superinfection with Candida or
C. difficile.
•
False-positive Coombs test may occur with high-dose
amoxicillin-clavulanate.
•
Pregnancy Category B, considered safe when clinically
indicated.
Drug Interactions
Always inform your pharmacist and prescriber about all medicines,
supplements, and herbal remedies you are currently taking.
Warfarin / anticoagulants: May potentiate
anticoagulant effect, monitor INR
Methotrexate: Penicillins reduce renal tubular
secretion of methotrexate, methotrexate toxicity risk
Oral contraceptives: Possible reduced
contraceptive efficacy, advise barrier methods during and for 7 days after
course
Probenecid: Increases amoxicillin plasma levels
by blocking renal secretion, occasionally used therapeutically
Allopurinol: Increased incidence of rash
Mycophenolate mofetil: Antibiotics reduce
enterohepatic recirculation of MMF, may reduce immunosuppressive efficacy
Storage Instructions
Store below 25°C in a cool, dry place away from direct
sunlight. In Kenyan conditions, consider refrigeration if ambient temperature
regularly exceeds 25°C. Keep in original packaging. Protect from moisture. Keep
out of reach of children.
Prescription Status in
Kenya
Augmentin is a Prescription Only Medicine (POM) in Kenya.
Pharmily strictly requires a valid prescription before dispensing. The
Antimicrobial Resistance National Action Plan (NAP) Kenya recommends dispensing
antibiotics only against confirmed prescription to preserve efficacy.
Patient Guidance
|
✔ PATIENT GUIDANCE, KEY
TAKE-AWAY POINTS • Take
Augmentin 1g at the start of a meal, this significantly reduces stomach side
effects. • Complete
every dose for the full course even if you feel better, stopping early is a
key driver of antibiotic resistance. • Diarrhoea
is the most common side effect; stay hydrated. Stop the medicine and seek
care if you develop severe, watery, or bloody diarrhoea with fever. • Tell your
pharmacist or doctor about any past penicillin reactions before starting this
medicine. • Women on
oral contraceptives should use additional contraception (e.g., condoms)
during and for 7 days after completing the course. • Seek
emergency care immediately if you develop difficulty breathing, throat
swelling, or collapse. • Do not
share antibiotics with others or use leftover courses for different
infections. |
Pharmacist / Prescriber
Notes
Augmentin 1g is the highest-strength oral
amoxicillin-clavulanate formulation and carries a meaningfully higher GI
side-effect profile than the 625 mg formulation due to the larger clavulanate
dose per tablet. Taking with food is non-negotiable for GI tolerance.
The clavulanate component is the source of most
hepatotoxicity associated with amoxicillin-clavulanate, the risk increases with
longer courses and repeat exposure. If a patient reports previous jaundice or
hepatitis with Augmentin, do not dispense without clarification from the
prescriber. Cholestatic hepatitis from Augmentin can occur 1–6 weeks after completing
the course and is more common in older males, this is relevant when
counselling.
In empirical treatment of UTIs in Kenyan women, escalating
resistance rates mean that culture and sensitivity is strongly preferred before
prescribing Augmentin for anything beyond a first uncomplicated UTI.
Frequently Asked
Questions (FAQs)
What is the difference between Augmentin 1g and
plain Amoxil?
A: Augmentin 1g contains amoxicillin plus clavulanic acid.
Clavulanic acid blocks the enzymes (beta-lactamases) that many bacteria use to
destroy amoxicillin. This makes Augmentin effective against resistant bacteria
that would not respond to plain Amoxil.
Why should I take Augmentin with food?
A: The clavulanic acid in Augmentin irritates the stomach
lining and causes diarrhoea and nausea if taken on an empty stomach. Taking it
at the start of a meal reduces these side effects by up to 50%.
I am allergic to penicillin, can I take
Augmentin?
A: No. Augmentin contains amoxicillin, which is a
penicillin-type antibiotic. If you are allergic to penicillin, you must not
take Augmentin. Inform your doctor or pharmacist so they can prescribe a
suitable alternative.
My symptoms are better after 3 days, can I stop
taking Augmentin?
A: No. You must complete the full prescribed course, even if
you feel better. Stopping early allows surviving bacteria to multiply and
develop resistance. The remaining bacteria are often the harder-to-kill ones.
Can I drink alcohol while taking Augmentin?
A: Alcohol is not strictly contraindicated with amoxicillin-clavulanate,
but it can worsen nausea and diarrhoea, and may impair recovery from infection.
It is best to avoid or minimise alcohol during antibiotic treatment.
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