Hypersensitivity Allergies in the form of rash, urticaria, angioedema, and pruritus have been observed. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Very rare side jotta geneeristen cefadroxil online effects caused by the medicine may include allergic reactions, anaphylactic shock, nausea, vomiting, diarrhea, candidiasis, headache and dizziness. We comply with the HONcode standard for trustworthy health information. Do not stop taking cefadroxil without talking to your doctor. Cefadroxil cef drox il sef il semisynthetic first-generation cephalosporin antibiotic effective against wide range of gram-positive and very limited number of gram-negative bacteria. This medication should be used only when clearly needed during pregnancy.