Prescription requiredAntibiotic

Mega Cv Es 642.9MG 50ML — Side Effects & Warnings

Known side effects of Mega Cv Es 642.9MG 50ML include Diarrhoea, nausea, vomiting, abdominal pain, indigestion, rash, urticaria, headache, dizziness, oral/vaginal candidiasis. Not everyone experiences these side effects.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated August 2026

Common Side Effects

Diarrhoea
nausea
vomiting
abdominal pain
indigestion
rash
urticaria
headache
dizziness
oral/vaginal candidiasis

This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.

Important Warnings

Prescription-only antibiotic; do not use for viral infections. Contraindicated in patients with allergy to penicillins/cephalosporins or previous cholestatic jaundice/hepatic dysfunction with amoxicillin-clavulanate. Use with caution in kidney or liver disease; dose adjustment may be needed. Stop and seek medical help if severe allergy (swelling, breathing difficulty), severe skin reactions, or persistent watery/bloody diarrhoea occurs. Can affect liver enzymes; prolonged use may cause superinfection.

Drug Interactions

Mega Cv Es 642.9MG 50ML may interact with the following:

Warfarin/other anticoagulants (may increase bleeding risk/INR)
methotrexate (increased toxicity)
allopurinol (increased rash risk)
probenecid (increases amoxicillin levels)
mycophenolate mofetil (reduced exposure)
live oral typhoid vaccine (reduced effect)

Always tell your doctor about all medicines you are taking, including over-the-counter drugs and supplements.

Pregnancy Safety

Consult doctor (generally considered safe when prescribed; use if clearly needed)

Alcohol Interaction

Use with caution (alcohol may worsen stomach upset; avoid excess)

Habit Forming

Storage

Store dry powder at room temperature below 25°C, protected from moisture. After reconstitution, store in a refrigerator (2–8°C), do not freeze, keep tightly closed, and use within 7–10 days (as per label).

Mega Cv Es 642.9MG 50ML — Safety Summary

Composition: Amoxicillin 600 mg + Potassium Clavulanate 42.9 mg per 5 ml (oral suspension)
Prescription: Required (Rx)
Pregnancy: Consult doctor (generally considered safe when prescribed; use if clearly needed)
Alcohol: Use with caution (alcohol may worsen stomach upset; avoid excess)
Habit forming: No

Mega Cv Es 642.9MG 50ML — Safety FAQs

What should I do if I experience side effects?

Mild side effects often resolve on their own. If side effects are severe or persistent, stop the medicine and consult your doctor immediately.

Are all listed side effects common?

No. Some side effects are common while others are rare. Not everyone experiences side effects. Consult your doctor if you are concerned.

Can I take this medicine with other drugs?

Some medicines interact with each other. Always inform your doctor about all medicines you are currently taking.

When should I seek emergency help?

Seek immediate medical attention if you experience severe allergic reactions (difficulty breathing, swelling of face/throat), chest pain, or any life-threatening symptoms.

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Safety disclaimer

This information is for educational purposes only and is not a substitute for professional medical advice. If you experience severe side effects, seek medical attention immediately.