Generic medicine

Amoxicillin Trihydrate: Brands, Price & Uses in Bangladesh

Respiratory Tract and ENT Infections Amoxicillin Trihydrate is an established, FDA-approved treatment for infections of the ear, nose, and throat (including acute otitis media, sinusitis, tonsillitis and more.

Forms:CapsuleIM/IV InjectionPediatric DropsPowder for SuspensionTablet

About Amoxicillin Trihydrate

Indications of Amoxicillin Trihydrate

Respiratory Tract and ENT Infections

Amoxicillin Trihydrate is an established, FDA-approved treatment for infections of the ear, nose, and throat (including acute otitis media, sinusitis, tonsillitis, and pharyngitis) and for lower respiratory tract infections such as bacterial bronchitis and community-acquired pneumonia caused by susceptible, non-beta-lactamase-producing organisms including Streptococcus pneumoniae, Haemophilus influenzae (non-beta-lactamase-producing strains), and Streptococcus pyogenes.

Genitourinary Tract Infections

Amoxicillin Trihydrate is established therapy for uncomplicated urinary tract infections caused by susceptible E. coli, Proteus mirabilis, and enterococci, and, at high single-dose regimens combined with probenecid, for uncomplicated gonorrhea (where locally supported by susceptibility data; ceftriaxone-based regimens are now preferred first-line therapy in most current guidelines because of resistance).

Skin and Soft Tissue Infections

Amoxicillin Trihydrate is an established treatment for skin and skin-structure infections caused by susceptible, non-beta-lactamase-producing staphylococci and streptococci.

Helicobacter pylori Eradication

Amoxicillin Trihydrate is guideline-supported therapy for H. pylori eradication in peptic ulcer disease, but only as part of combination regimens with a proton pump inhibitor and clarithromycin (triple therapy) or with a proton pump inhibitor alone at higher, more frequent dosing (dual therapy); Amoxicillin Trihydrate is never used alone for this indication because monotherapy does not reliably eradicate H. pylori and promotes resistance.

Dental Infections

Amoxicillin Trihydrate is commonly used, and supported by dental practice guidance, as short-term therapy for odontogenic (dental) infections and as antibiotic prophylaxis before certain dental procedures in patients at high risk of infective endocarditis, per American Heart Association guidance.

Anthrax Post-Exposure Prophylaxis and Treatment (Adjunct/Alternative Use)

Amoxicillin Trihydrate is a CDC-recognized alternative agent for post-exposure prophylaxis following confirmed susceptible Bacillus anthracis exposure, and for continuation therapy after initial treatment, used under public-health or specialist direction rather than as routine outpatient therapy.

Dosage & Administration of Amoxicillin Trihydrate

The dose, frequency, and duration of Amoxicillin Trihydrate depend on the specific infection being treated, its severity, the causative organism (where known), and the patient's age, weight, and renal function. The regimens below reflect commonly cited, guideline- and label-based dosing and must be individualized by a qualified healthcare professional; the dosing used for one indication is not necessarily appropriate for another.

Side Effects of Amoxicillin Trihydrate

Common Side Effects

  • Diarrhea, nausea, and vomiting
  • Indigestion or abdominal discomfort
  • Skin rash (including a common, non-allergic, maculopapular rash that can occur when Amoxicillin Trihydrate is given to patients with underlying infectious mononucleosis — see Precautions and Warnings)
  • Headache

Serious Side Effects (Seek Medical Attention)

  • Signs of a severe allergic reaction, such as swelling of the face, lips, tongue, or throat, difficulty breathing, or anaphylaxis
  • Severe, persistent, or bloody diarrhea, which may indicate Clostridioides difficile-associated diarrhea or colitis, and can occur even weeks after stopping Amoxicillin Trihydrate
  • Severe skin reactions such as blistering, peeling skin, or widespread rash (possible Stevens-Johnson syndrome, toxic epidermal necrolysis, or DRESS syndrome)
  • Yellowing of the skin or eyes, dark urine, or unusual tiredness, which may indicate liver injury (hepatitis or cholestatic jaundice)
  • Unusual bruising, bleeding, or signs of a blood disorder
  • New or worsening seizures, which have rarely been reported, particularly with high doses or in patients with renal impairment

Contraindications of Amoxicillin Trihydrate

Amoxicillin Trihydrate is contraindicated in patients with a known history of a serious hypersensitivity reaction (e.g., anaphylaxis, angioedema, or Stevens-Johnson syndrome) to Amoxicillin Trihydrate, to any other penicillin-class antibiotic, or to any component of the formulation. Amoxicillin Trihydrate is also contraindicated in patients with a known history of an immediate-type hypersensitivity reaction to other beta-lactam antibiotics (e.g., cephalosporins), given the risk of cross-reactivity.

Frequently Asked Questions about Amoxicillin Trihydrate

What is Amoxicillin Trihydrate used for?

Amoxicillin Trihydrate is an antibiotic used to treat a range of bacterial infections, including infections of the ear, nose, and throat, lower respiratory tract infections such as bronchitis and pneumonia, urinary tract infections, skin infections, and dental infections. Amoxicillin Trihydrate is also used, in combination with other medicines, to help eradicate Helicobacter pylori bacteria in peptic ulcer disease. Amoxicillin Trihydrate does not work against viral infections such as the common cold or flu.

What is the usual dose of Amoxicillin Trihydrate?

The dose of Amoxicillin Trihydrate depends on the infection being treated, the patient's age and weight, and kidney function. Common adult doses range from 250 mg every 8 hours to 500 mg every 8–12 hours for standard infections, and up to 1 g twice daily as part of combination therapy for H. pylori. Children are usually dosed by body weight. Only a qualified healthcare professional can determine the correct dose of Amoxicillin Trihydrate for a specific patient; see the Dosage section above for indication-specific detail.

Can Amoxicillin Trihydrate be taken with food?

Yes. Amoxicillin Trihydrate can be taken with or without food. Taking Amoxicillin Trihydrate with food may help reduce stomach upset and does not meaningfully reduce how well it is absorbed.

Is Amoxicillin Trihydrate safe during pregnancy?

Amoxicillin Trihydrate is widely regarded as one of the preferred antibiotics for use during pregnancy when treatment of a bacterial infection is genuinely needed, and available data have not shown an increased risk of birth defects. Even so, Amoxicillin Trihydrate should be used in pregnancy only when clearly needed, with the potential benefit judged by a physician to justify the potential risk to the fetus, and always under medical supervision.

Can Amoxicillin Trihydrate cause an allergic reaction?

Yes. Amoxicillin Trihydrate belongs to the penicillin class of antibiotics, and penicillin allergy is one of the most common drug allergies. Symptoms can range from mild skin rash to severe, life-threatening anaphylaxis (swelling of the face/throat, difficulty breathing). Amoxicillin Trihydrate is contraindicated in anyone with a known serious allergy to penicillins or other beta-lactam antibiotics; tell your doctor about any past drug allergies before starting Amoxicillin Trihydrate.

What should I do if I miss a dose of Amoxicillin Trihydrate?

If you miss a dose of Amoxicillin Trihydrate, take it as soon as you remember, unless it is almost time for your next scheduled dose, in which case skip the missed dose and continue your regular dosing schedule — do not take a double dose to make up for a missed one. Take Amoxicillin Trihydrate exactly as prescribed by your physician; do not stop, extend, skip doses, or share this medicine with others without medical advice, and complete the full course even if you feel better.

Disclaimer

The information provided is accurate to the best of our knowledge, but it does not replace professional medical advice. We cannot guarantee its completeness or accuracy, and the absence of specific information about a drug should not be taken as an endorsement. We are not responsible for any consequences arising from this information, so please consult a healthcare professional for any concerns or questions.

DoctorBlogArticles