What are the possible side effects of amoxicillin, clarithromycin, and lansoprazole (Prevpac)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have a serious side effect such as: • diarrhea that is watery or bloody; • signs of new infection, such as fever, chills, body aches, flu symptoms, mouth sores; • easy bruising or bleeding, unusual weakness; • agitation, confusion, unusual thoughts or behavior; • dizziness, fainting, fast or pounding heartbeat; or • fever, sore throat, and headache with a severe blistering, peeling, and red skin rash. Less serious side effects may include: • unusual or unpleasant taste in your mouth; • headache; • nausea, vomiting, stomach pain; • constipation, dark colored stools; • dry mouth, increased thirst; or • vaginal itching or discharge. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-