Learn about the side effects of amoxicillin, from common to rare, for consumers and healthcare professionals. Amoxicillin is a penicillin antibiotic that commonly causes mild side effects such as diarrhea, stomach upset, headache, an abnormal taste, skin rash, and vaginal yeast infections. Less common but. Amoxicillin Capsules or Tablets Amoxicillin is a type of penicillin antibiotic that treats infections caused by bacteria. It doesn’t treat colds, the flu or infections caused by viruses. Common brand names include Amoxil®, Moxilin®, Sumox® and Trimox®. Amoxicillin is one of the most widely prescribed antibiotics in the world, and for good reason: when used appropriately for bacterial infections, it is generally safe and well tolerated. That said, “safe” does not mean “without side effects.” The drug can cause digestive upset, disrupt your gut bacteria, trigger allergic reactions in some people, and in rare cases lead to more serious. Find patient medical information for Amoxicillin (Amoxil and others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Description Amoxicillin is used to treat bacterial infections in many different parts of the body (ear, lungs, nose, sinus, skin, urinary tract). It is also used with other medicines (eg, clarithromycin, lansoprazole) to treat H. pylori infection and duodenal ulcers. Amoxicillin is also used to treat tonsillitis and pharyngitis (sore throat). Amoxicillin belongs to the group of medicines known. Side effects of amoxicillin Like all medicines, amoxicillin can cause side effects in some people, but many people have no side effects or only minor ones. Common side effects of amoxicillin These common side effects of amoxicillin can happen in up to 1 in 10 people who take the medicine. There are things you can do to help cope with them: Skin. Amoxicillin is known to cause nausea, diarrhea, and skin rashes. Here are the most common amoxicillin side effects and how to cope with them. To help avoid side effects, tell your healthcare provider about all other medical conditions and drugs, take amoxicillin only as directed, always take it with food, and watch out for signs of allergic reaction. Side effects Warnings Before taking Dosage Interactions FAQ What is amoxicillin? Amoxicillin is a penicillin antibiotic used to treat bacterial infections such as tonsillitis, bronchitis, sinusitis, pneumonia, and infections of the ear, nose, throat, skin, or urinary tract. Amoxicillin clavulanate is a combination of amoxicillin and clavulanate.