Amoxicillin for Sinusitis

Amoxicillin 500 mg tablet is a medication that is useful in treating various infections that are caused by bacteria like sinus infections. When the sinuses are unable to drain mucus completely, this can lead to excessive mucus build-up that can get infected. If it is a bacterial infection, then amoxicillin can help.


This can also be used with other antibiotics to treat stomach ulcers caused due to Helicobacter pylori infection. 


Some other diseases that can be treated with Amoxicillin 500 mg tablet are-

Price of Amoxicillin for Sinus

The average price of Amoxicillin for Sinus 500 mg Tablet is around Rs. 67.87 in the Indian market. 


Average price of Amoxicillin 500 mg strip of 10 tablets Rs. 67.87


Taking Amoxicillin for Sinusitis

The medicine is available in a lot of forms-

  • Capsules
  • Tablets
  • Powder for oral suspension


You should take amoxicillin exactly as prescribed by the doctor. You should also follow all the directions given on the label word-to-word and read the instruction sheet thoroughly.


One should take the medicine at the same hour of the day daily. If you are taking oral suspension, then shake the bottle before use. You can mix it with water, milk, baby formula, fruit juice or ginger ale. 


In case you are taking tablets, do not crush, chew, or break the tablet before gulping it. Lastly, do not change the dose or schedule without consulting the doctor first. 

Side Effects of Amoxicillin for Sinusitis

There are only minor side effects of consuming Amoxicillin 500 mg Tablet. Otherwise, it is a very safe medicine to take. Some mild effects that people can experience are-

Dosage of Amoxicillin for Sinusitis

The medicine Amoxicillin 500 mg Tablet can be orally taken in the form of pills. This medicine is generally prescribed to be taken once a day. As per prescription, this drug can be taken with/without food. Either complete the whole course or stop it only after proper consultation with the doctor. 


The dosage of Amoxicillin 500 mg Tablet depends on various factors-

  • Type of infection
  • Severity
  • Patient’s age


For mild to moderate infection: Adults should take 250 mg orally every 8 hours or 500 mg every 12 hours.

For severe infection: Adults should take 500 mg orally every 8 hours or 875 mg every 12 hours.

Overdose/Skipping a dose of Amoxicillin 500 mg Tablet

If you have missed a dose of Amoxicillin 500 mg Tablet, if there’s enough time between the skipped dose and the next dose, then take it. Otherwise, if the next dose is near, skip the missed dose and stick to your regular schedule. 

Interactions of Amoxicillin for Sinusitis

As the Amoxicillin 500 mg Tablet is allopathic medicine, it can easily react with other medicines that you are taking. The other medicines, when combined with Amoxicillin 500 mg tablet, can worsen the side effects of Amoxicillin 500 mg Tablet. 


Not only the side effects but any underlying health issue can also aggravate if this medicine is taken without the doctor’s approval. 


Medicines that can interfere with Amoxicillin 500 mg Tablet and can cause moderate or serious side effects are-


  • Allopurinol
  • Amiloride
  • Anisindione
  • Azithromycin
  • Balsalazide
  • Cholera vaccine
  • Clarithromycin
  • Demeclocycline
  • Dicumarol
  • Dirithromycin
  • Doxycycline
  • Entecavir
  • Erythromycin
  • Estradiol
  • Ethinyl estradiol
  • Guar gum
  • Methotrexate
  • Minocycline
  • Mycophenolate mofetil
  • Mycophenolic acid
  • Pemetrexed
  • Probenecid
  • Sarecycline
  • Sodium iodide
  • Tetracycline
  • Typhoid vaccine
  • Warfarin 


5 diseases can interact with amoxicillin which are:

  • Colitis
  • Mononucleosis
  • Diabetes
  • Renal dysfunction
  • Hemodialysis 

Substitutes of Amoxicillin for Sinusitis

When you are unable to get hold of Amoxicillin 500 mg, there are some substitutes that can be taken. These can be taken in place of Amoxicillin 500 mg as they are made of the same composition and are of the same strength. 

  • Bactrim 
  • Cipro
  • Levaquin 
  • Keflex
  • Cleocin 
  • Augmentin 
  • Penicillin 

Know here: Best sinus medicines to take 

Precautions of Amoxicillin for Sinusitis

It is a general precautionary measure that no medicine should be taken without proper consultation with the doctor. 


A person can buy Amoxicillin 500 mg Tablet with only a valid prescription at the pharmacist or medical center. 

Some of the things you should disclose to the doctor before taking this medicine are-

  • Whether you are allergic to drugs such as clarithromycin, erythromycin, and telithromycin
  • Whether you have any issues in the kidneys, muscles, liver or heart
  • If you have a low level of potassium or magnesium
  • Whether you suffer from nausea, diarrhea or excessive sweating after taking the medicine 
  • Whether you are pregnant or lactating 


Some precautions for special conditions before taking Amoxicillin 500 mg Tablet-


  • Pregnancy


Pregnant women should discuss the risks and benefits of the medicine before taking this antibiotic. 



  • Breast-feeding 


Unless absolutely necessary, this medicine is not recommended for lactating women. If breastfeeding mothers take this medicine, then the baby should be monitored for any side effects. 



  • Diarrhea


Antibiotic therapy leads to bacterial growth that can lead to diarrhea. This can be due to overdosage hence, adjust the appropriate dosage and find a suitable alternative. 



  • Resistance to drug


Taking this medicine without any symptoms of bacterial infection is not at all recommended. If you take Amoxicillin 500 mg Tablet irrationally, it might lead to toxicity. 



  • Driving or operating heavy machinery


This medicine can cause extreme drowsiness or dizziness in patients. Immediately after taking Amoxicillin  500 mg Tablet or its substitutes, do not drive or operate any heavy machinery. 

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