Consists of amoxicillin trihydrate, potassium clavulanate
Actions of Amoxicillin trihydrate in details
Amoxicillin trihydrate is an antibiotic of group semisynthetic penicillins a wide spectrum of action. It is a 4-hydroxyl analog of ampicillin. It has bactericidal action. amoxicillin is active against aerobic gram-positive bacteria: Staphylococcus spp. (except strains producing penicillinase), Streptococcus spp; aerobic gram-negative bacteria: Neisseria Gonorrhoeae, Neisseria Meningitidis, Escherichia Coli, Shigella spp., Salmonella spp., Klebsiella spp.
Microorganisms producing penicillinase is resistant to amoxicillin.
In combination with metronidazole Amoxicillin trihydrate is active against Helicobacter Pylori. It is believed that inhibits the development of amoxicillin resistance of Helicobacter pylori to metronidazole.
There is a cross-resistance between amoxycillin and ampicillin.
The spectrum of antibacterial action while expanding the application of amoxicillin and beta-lactamase inhibitor clavulanic acid. This combination increased the activity of amoxicillin against Bacteroides spp., Legionella spp., Nocardia spp., Pseudomonas (Burkholderia) Pseudomallei. However, Pseudomonas Aeruginosa, Serratia Marcescens, and many other gram-bacteria are resistant.
How should I take Amoxicillin trihydrate?
Take Amoxicillin trihydrate exactly as prescribed by your doctor. Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.
The recommended dose of Amoxicillin trihydrate is one 775 mg tabet taken once daily with food. The tablet should be taken within one hour of finishing a meal.
Take Amoxicillin trihydrate around the same time every day for 10 days. Complete the full 10-day course of therapy for effective treatment. Do not skip any doses or stop taking Amoxicillin trihydrate until you finish your prescribed treatment, unless you have a serious allergic reaction or your doctor tells you to stop.
Do not crush, chew, or break a Amoxicillin trihydrate extended-release tablet. Swallow it whole. Breaking the tablet may cause too much of the amoxicillin to be released at one time.
While using this medicine, you may need frequent blood tests. Your kidney and liver function may also need to be checked.
Use this medicine for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared. Skipping doses may also increase your risk of further infection that is resistant to antibiotics. Amoxicillin trihydrate will not treat a viral infection such as the flu or a common cold.
Do not share this medicine with another person, even if they have the same symptoms you have.
This medicine can cause unusual results with certain medical tests. Tell any doctor who treats you that you are using Amoxicillin trihydrate.
Store at room temperature away from moisture, heat, and light.
Amoxicillin trihydrate administration
Take exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.
You may take amoxicillin with or without food.
Shake the oral suspension (liquid) well just before you measure a dose. Measure the liquid with a special dose-measuring spoon or medicine cup, not with a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.
You may place the liquid directly on the tongue, or you may mix it with water, milk, baby formula, fruit juice, or ginger ale. Drink all of the mixture right away. Do not save any for later use.
The chewable tablet should be chewed before you swallow it.
Do not crush, chew, or break an extended-release tablet. Swallow it whole. Breaking the pill may cause too much of the drug to be released at one time.
To be sure this medicine is helping your condition and is not causing harmful effects, your blood will need to be tested often. Your liver and kidney function may also need to be tested. Visit your doctor regularly.
If you are being treated for gonorrhea, your doctor may also have you tested for syphilis, another sexually transmitted disease.
If you are taking amoxicillin with clarithromycin and/or lansoprazole to treat stomach ulcer, use all of your medications as directed. Read the medication guide or patient instructions provided with each medication. Do not change your doses or medication schedule without your doctor's advice.
Take this medication for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared. Amoxicillin will not treat a viral infection such as the common cold or flu.
Do not share this medication with another person, even if they have the same symptoms you have.
This medication can cause unusual results with certain medical tests. Tell any doctor who treats you that you are using amoxicillin.
Store at room temperature away from moisture, heat, and light.
You may store liquid amoxicillin in a refrigerator but do not allow it to freeze. Throw away any liquid amoxicillin that is not used within 14 days after it was mixed at the pharmacy.
Amoxicillin trihydrate pharmacology
When Amoxicillin trihydrate administered orally amoxicillin rapidly and completely absorbed from the gastrointestinal tract and is not destroyed in the acidic environment of the stomach. Cmax of amoxicillin in the blood plasma is reached after 1-2 h. When increasing doses of 2 times the concentration also increased by 2 times. In the presence of food in the stomach does not reduce the overall removals. Similar concentrations of amoxicillin reached in the blood when administered orally, IV and IM.
The binding of amoxicillin to plasma proteins is about 20%.
Widely distributed in tissues and body fluids. Reported high concentrations of amoxicillin in the liver.
T1/2 from the plasma is 1-1.5 h. About 60% of the dose adopted by mouth, is excreted unchanged in the urine by glomerular filtration and tubular secretion, with a dose of 250 mg of amoxicillin concentration in urine exceeds 300 micrograms / ml. A number of amoxicillin is determined in feces.
T1/2 for Newborns and the elderly can be longer.
In renal insufficiency T1/2 may be 7-20 hours.
In small quantities amoxicillin penetrates through BBB in inflammation of the pia mater.
amoxicillin is removed by hemodialysis.
Actions of Potassium clavulanate in details
Clavulanic acid competitively and irreversibly inhibits a wide variety of beta-lactamases, commonly found in microorganisms resistant to penicillins and cephalosporins. Binding and irreversibly inhibiting the beta-lactamase results in a restauration of the antimicrobial activity of beta-lactam antibiotics against lactamase-secreting-resistant bacteria. By inactivating beta-lactamase (the bacterial resistance protein), the accompanying penicillin/cephalosporin drugs may be made more potent as well.
References
- DailyMed. "AMOXICILLIN; CLAVULANATE POTASSIUM: DailyMed provides trustworthy information about marketed drugs in the United States. DailyMed is the official provider of FDA label information (package inserts).". https://dailymed.nlm.nih.gov/dailyme... (accessed September 17, 2018).
- NCIt. "Amoxicillin Anhydrous: NCI Thesaurus (NCIt) provides reference terminology for many systems. It covers vocabulary for clinical care, translational and basic research, and public information and administrative activities.". https://ncit.nci.nih.gov/ncitbrowser... (accessed September 17, 2018).
- EPA DSStox. "Amoxicillin: DSSTox provides a high quality public chemistry resource for supporting improved predictive toxicology.". https://comptox.epa.gov/dashboard/ds... (accessed September 17, 2018).
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Information checked by Dr. Sachin Kumar, MD Pharmacology
