Amoxicillin Sinus Infection

Sinus infection (also known as sinusitis) is inflammation of the sinuses, accompanied by a copious mucus and headache. Sinus infection may occur due to frequent episodes of runny nose, which has not been cured completely. But the main cause of sinusitis may become infection.

Sinus infection can be caused by bacterial or fungal infection of the maxillary sinuses. The most common organisms, causing sinus infection, are: Streptococcus pneumoniae; Moraxella catarrhalis; Haemophilus influenzae.

There are two types of sinus infection: acute and chronic. Acute sinusitis is diagnosed when symptoms do not pass within three weeks. Chronic sinusitis is diagnosed when the sinusitis symptoms persist within three months. Frequent symptoms of acute sinusitis can provoke chronic sinusitis.

Sinus infection symptoms

Sinus infection has such symptoms as: stuffy nose (resistant to antihistamine drugs); dense nasal discharge of yellowish-green color; pain in the ears; toothache; headache; swelling or pain in the facial area, which increases when bending forward; cough, increasing at nighttime; general fatigue.

Treatment of sinus infection

In the treatment of acute uncomplicated sinusitis, many patients are enough to take drugs that relieve local symptoms (swelling of the sinuses mucosa) and steam inhalation. Chronic sinusitis is very hard to cure, so usually antibiotics are prescribed to relieve its symptoms.

Antibacterial drugs are prescribed for the treatment of sinus infection to patients with severe form of the disease. Also, antibiotics are administered for complicated form of sinusitis and when drugs that relieve swelling of maxillary sinuses are ineffective. The most prescribed antibiotics for sinus infection treatment, are Amoxicillin, Doxycycline and Co-trimoxazole.

Use of Amoxicillin in the sinus infection treatment

Amoxicillin antibiotic for sinus infection treatment blocks the main pathogens of acute sinusitis. Amoxicillin can effectively inhibit sensitive and moderately-resistant Streptococcus pneumoniae and Haemophilus influenzae strains. The antibacterial therapy of sinus infection is directed to destroying of the pathogen infection, restoration of sterility and sinus patency, to prevent the risk of complications and transition of sinusitis into a chronic form.

Due to the fact that antibiotic Amoxicillin is produced in various forms, it is very convenient to use. Amoxicillin tablets can be taken orally, can be chewed or dissolved in the water. Amoxicillin dissolved tablets are easy to use in children. Moreover, Amoxicillin dissolved tablets have high bioavailability (93%), making Amoxicillin antibiotic even more effective and reducing side effects.

Dosage of Amoxicillin for sinus infection treatment


In the sinus infections, Amoxicillin antibiotic is prescribed in combination with local vasoconstrictive drugs: aerosols or nasal drops.

Duration use of vasoconstrictive drugs is maximum 5 days or 3 days before a complete relief of sinusitis symptoms.

For the treatment of sinus infection, adults are prescribed 1 tablet of Amoxicillin 500mg, each 8 hours.

The duration use of Amoxicillin antibiotic for sinus infection treatment is 10-14 days.

For children (over 3 months old), Amoxicillin antibiotic is administered in the dose of 40mg per 1 kg of a child’s weight.

It is recommended to divide the daily dose of Amoxicillin into 3 intakes (each 8 hours) for sinus infection treatment in children.

For the treatment of sinusitis in children, doctors prescribe Amoxicillin dissolved tablets or Amoxicillin suspension.

Symptoms of sinus infection start to decrease with Amoxicillin antibiotic within 48-72 hours after oral application.

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