As the possible uses of the active ingredient are relatively diverse and the dosages also vary greatly, you should be sure to ask your doctor or pharmacist about the side effects for your medicine and its dosage. If you experience any of the following side effects, please inform your doctor. They will be able to advise you in detail and on an individual basis. Depending on the dose and duration of treatment, these side effects are possible: Diarrhea Nausea and vomiting Fever Chills Penicillin allergy More rarely, the following side effects occur: Inflammation of the colon Kidney problems (e.g., crystalluria) Dizziness Cramps, especially if kidney function is disturbed Hyperactivity Blood count changes In very rare cases, taking Amoxicillin can cause damage to the liver and even hepatitis. Therefore, if you experience any of the following symptoms, inform your doctor immediately: Bloody diarrhea Darker urine or paler stools Blisters, redness or bleeding on the skin Yellowing of the skin or the whites of the eyes (jaundice) Prolonged bleeding time It is also important to know the signs of an allergic reaction. If you have an allergic reaction to Amoxicillin, you must see a doctor immediately. Signs of a severe allergic reaction are: Skin rash, for example itchy, red or swollen skin. Wheezing Shortness of breath and circulatory problems up to and including shock Worsening of the general condition