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Best Antibiotics for Sinus Infections

Updated on July 18, 2012

The antibiotics that are generally prescribed for sinus infections are from the penicillin family. Amoxicillin is not only the most commonly prescribed antibiotic but also the most effective. At times the sinus infection could be acute and sometimes chronic. Augmentin (amoxicillin/ clavulanate) which is also from the penicillin family is also among the best antibiotics for sinus infections.

The causes of infection will have to determined before starting the treatment. A large percentage of sinus infections are due to bacteria. So prescription of antibiotics for sinus infection treatment is quite common.

Symptoms of Sinus Infection

Symptoms of sinusitis are

· Blocking of the nose
· Headache
· Pain
· Fever

The infection could last a month or it could even turn chronic, if immediate treatment is not provided. Chronic infection could last more eight weeks and may recur four times a year.


The causes of the disease are

· Virus
· Allergy
· Fungi
· Bacteria

Snorting cocaine and other drugs also cause sinus infection.


The diagnosis of sinus infection is made by physical examination and patient history. It is important to distinguish the disease from common cold and upper respiratory tract infection. Generally no tests are required. If necessary a CT scan is recommended. Ultrasound can also be used to diagnose the disease. The procedure is less expensive and reliable. Nasopharyngoscope is used to visualize the nasal passages and the connecting sinuses.


People suffering from sinus infection should consult a doctor. If the infection is due to fungi, allergy or other causes then antibiotics will be of no use.

Some of the commonly prescribed antibiotics for treating sinus infection are

1. Amoxicillin – It kills the bacteria by interfering with the cell wall building function.

2. Macrolides – This is an antibiotic which blocks protein formation in bacteria and prevents them from multiplying.

3. Cephalosporin’s – They also act in the same manner as amoxicillin. They are preferred if the patient is allergic to amoxicillin.

4. Fluoroquenolones- New range of antibiotics which interfere with the DNA replication process of bacteria.

The doctor has to make the right choice of antibiotics in accordance with the severity of the infection, reactions and the rate at which the drug is absorbed. If the patient experiences any allergic reaction to the drug; it has to be brought to the notice of the doctor.


The patient has to take certain precautions to prevent the escalation of the infection.

· Increase the intake of fluids like tea and fruit juices.
· Keeping the nose clean
· Smoking has to be stopped as it damages the mucus membrane
· Frequent washing of the hands to prevent spread of the disease

Inhaling steam can be of help as brings out the phlegm and provides symptomatic relief. Mentholated preparations added to the vaporizer will facilitate opening of the nasal passages


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    • akirchner profile image

      Audrey Kirchner 7 years ago from Washington

      Good information