Klox D 500 Mg (Dicloxacillin) is an antibiotic used to treat various bacterial infections, including those of the urinary tract, skin, soft tissue, blood, and lungs, as well as post-surgical infections. It is a penicillin-type prescription medication. The active ingredient is Dicloxacillin 500 mg per tablet. Klox D is manufactured by Hetero Drugs, a leading pharmaceutical company in India. The equivalent USA brand name for Klox D 500 Mg is Dynapen. Before using Klox D, ensure you are not allergic to Dicloxacillin or any penicillin-containing drugs. Inform your doctor about any pre-existing conditions, surgeries, or medications you are taking. While using Klox D, avoid alcohol, smoking, and unprescribed medications. Do not use Klox D if you have severe diarrhea, bloody stool, known allergies to it, or severe kidney or liver disease. Consult your doctor if you have allergies, experience skin rashes, swelling, difficulty breathing, or if you are pregnant or breastfeeding. The recommended dosage for adults is typically twice a day with food to prevent stomach upset. Complete the prescribed course of medication, even if symptoms improve before finishing the treatment. If you miss a dose, take it as soon as you remember, but do not double the next dose. Potential side effects include nausea, vomiting, diarrhea, headache, skin rash, and allergic reactions. Klox D may interact with other medications, such as probenecid, aminoglycosides, tetracyclines, and blood thinners like warfarin. Store Klox D at room temperature in a clean, dry place, away from children.