Cefuroxime + Clavulanic acid is an antibiotic medicine. It is used to kill bacteria and treat symptoms of conditions like: 

1. Throat infections such as tonsillitis, pharyngitis, bronchitis and pneumonia 
2. Ear infections (otitis media) 
3. Sinus infections 
4. Urinary tract infections (UTIs) 
5. Skin and soft-tissue infections 
6. Dental infections 

More Common  

1. Diarrhea or loose stools 
2. Nausea or vomiting 
3. Stomach pain or indigestion 
4. Gas or bloating 
5. Headache  

Less Common 

1. Skin rash or itching 
2. Mild allergic reaction 
3. Vaginal yeast infection 

Cefuroxime kills bacteria by d rupturing the skin of bacteria, by which bacteria die. To increase the effect of cefuroxime clavulanic acid works by blocking the bacteria’s protective enzyme. Resulting in synergistic effect. Clavulanic acid blocks this enzyme, protecting cefuroxime so it can continue killing the bacteria. As a result, the combination works effectively to clear the infection and help the patient recover. 

Allergy/Hypersensitivity

If you are allergic to this medication, as taking it can cause some serious side effects like breathing problems, wheezing, skin rashes, swelling, or serious allergic reactions. Always inform your doctor if you had experienced any reaction to antibiotics before using this medicine. 

Kidney Problems

If you have severe kidney disease, communicate with your doctor, as the medicine may build up in your body and increase side effects.

Liver Problems

Always communicate with your doctor about your past disease history, as liver diseases will reduce the metabolism and can lead to toxicity or side effects.  

Pregnancy

If you are pregnant, inform your doctor as this medicine should be used only if clearly needed; safety for the baby is not fully established. 

Breastfeeding

If you are breastfeeding, inform your doctor, since this medicine may pass into breast milk and affect the baby. 

Avoid alcohol as it worsens nausea or dizziness. Drink plenty of water to help the body absorb and eliminate the medicine properly. 

Avoid taking Cefuroxime + Clavulanic acid with the following medicines, as it may increase or decrease the desired effect, or in worse cases, it could be fatal:

IUPAC (International Union of Pure and Applied Chemistry)/ Chemical name

Cefuroxime: (6R,7R)-3-(carbamoyloxymethyl)-7-[[(2Z)-2-(furan-2-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 

Clavulanic acid: (2R,3Z,5R)-3-(2-hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 

Daily dose

Take Cefuroxime + Clavulanic acid exactly as your doctor recommends. The dose may change based on your condition and how well you respond. Do not take more than prescribed without consulting your doctor.

Missed Dose

If you forget to take your medicine, take the medication as soon as you remember. If it’s nearly time for your next dose, skip the missed one and continue with your regular schedule. Always consult the doctor before making any changes to your dosage.

Overdose

It is not recommended to take Cefuroxime + Clavulanic acid more than the prescribed amount. Overdose may cause tremors, chest pain, fast or irregular heartbeat, nervousness, dizziness, headache, muscle cramps, or high blood pressure. In case of any of these symptoms, seek immediate medical help. 

1. Store the medicine at room temperature 
2. Keep away from sunlight and moisture 
3. Keep out of reach of children 

1. Take spironolactone exactly as prescribed by your doctor, at the same time each day. 
2. Do not stop taking spironolactone without your doctor’s approval, even if you feel better. 
3. If you forget to take spironolactone, take it as soon as you remember. If it’s almost time for your next dose, skip the missed dose. 

Cefuroxime 500 mg + Clavulanic acid 125 mg is an antibiotic combination used to treat bacterial infections like respiratory, urinary, ear, throat, skin, and dental infections. Cefuroxime kills bacteria by rupturing the skin of the bacteria, while clavulanic acid blocks bacterial enzymes that can resist cefuroxime, making the medicine more effective. Common side effects include diarrhea, nausea, stomach pain, and headache, while serious allergic reactions are rare.  

People allergic to this medicine, those with severe kidney or liver problems, or a history of antibiotic-related diarrhea should avoid it. During pregnancy and breastfeeding, it should only be used if prescribed by a doctor. The medicine should be taken after food, and the full course must be completed to effectively clear the infection. 

What is the mechanism of action of Clavulanic Acid?

Clavulanic Acid works by inhibiting bacterial beta-lactamase enzymes, which normally destroy antibiotics like amoxicillin. By blocking these enzymes, it protects the antibiotic and allows it to effectively kill bacteria.  

What are the uses of Clavulanic Acid?  

Clavulanic Acid is used in combination with antibiotics like amoxicillin to treat bacterial infections. It helps treat infections such as throat infections, ear infections, sinus infections, chest infections, urinary tract infections, skin and soft-tissue infections, dental infections, and infections caused by bacteria resistant to amoxicillin alone.  

What are the side effects of Clavulanic Acid?  

Common side effects include nausea, vomiting, diarrhea, stomach pain, and mild skin rash. Rare but serious side effects may include severe allergic reactions (swelling, hives, difficulty breathing), severe diarrhea (C. difficile infection), liver problems (jaundice, dark urine), dizziness, or yeast infections. Seek medical help if severe symptoms occur. 

What are the uses of Cefuroxime? 

Cefuroxime is an antibiotic used to treat different bacterial infections in the body. It helps with chest infections like pneumonia and bronchitis, sinus infections, throat infections such as tonsillitis or pharyngitis, ear infections, urinary tract and kidney infections, and skin or soft tissue infections like infected wounds. 

What are the side effects of Cefuroxime? 

Cefuroxime may cause some common side effects like nausea, vomiting, diarrhea, stomach pain, headache, dizziness, or mild skin rash. Rare but serious side effects can include severe allergic reactions, severe diarrhea caused by gut infection, liver problems (yellowing of skin or eyes), or unusual bruising and bleeding. If any serious symptoms appear, contact your doctor immediately. 

How does Cefuroxime work? 

Cefuroxime works by attacking the bacteria’s cell wall. It stops the bacteria from making a strong outer wall, which is essential for their survival. Without this wall, the bacteria burst and die, helping the body fight the infection. 

1. PubChem. Cefuroxime [Internet]. Nih.gov. PubChem; 2025. Available from 
2. PubChem. Clavulanic acid [Internet]. pubchem.ncbi.nlm.nih.gov. Available from