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Klox D 500 Mg Box/Carton + Blister Pack showing the Front face.

Klox D 500 mg Capsule

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Klox D 500 mg Capsule is a prescription antibiotic capsule that contains 500 mg of dicloxacillin in each capsule. It belongs to the penicillin-type antibiotic class and is used to treat certain bacterial infections, especially infections caused by penicillinase-producing staphylococci when the bacteria are susceptible.

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60 capsule/s$26.99$0.45
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Manufacturer
Hetero Drugs, India
Ingredient
Dicloxacillin
Strength
500 mg
Form
Capsule
Capsules per strip
10
Prescription
Required
Availability
In stock
SKU
CMU1385

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Medically reviewed by Chep Meds USA Pharmacy Team

Content checked by our licensed pharmacists for accuracy against standard prescribing information. Last reviewed October 2026. Our editorial policy

What is Klox D 500 mg Capsule?

Klox D 500 mg Capsule is a prescription antibiotic capsule that contains 500 mg of dicloxacillin in each capsule. It belongs to the penicillin-type antibiotic class and is used to treat certain bacterial infections, especially infections caused by penicillinase-producing staphylococci when the bacteria are susceptible. The Klox D 500 mg Capsule is for bacterial, not viral, infections such as colds or flu. This 500 mg capsule is a higher-strength dicloxacillin product that may be chosen when a doctor wants a full adult treatment dose in capsule form.

How it works: Dicloxacillin works by stopping bacteria from building a strong cell wall, which makes the bacteria break apart and die. In capsule form, Klox D 500 mg Capsule is swallowed and absorbed so the medicine can reach the infection through the bloodstream.

Why choose Klox D 500 mg Capsule?

Klox D 500 mg Capsule delivers a higher amount of dicloxacillin per capsule than lower-strength dicloxacillin products, so it can reduce the number of capsules needed per dose. It is typically suited for adults or older adolescents who can swallow capsules and who have been assessed by a clinician for an infection that needs this strength. Because it is a higher strength, it should only be used when a doctor specifically prescribes it and sets the dosing schedule.

Uses of Klox D 500 mg Capsule

  • Skin and soft tissue infections
  • Staph infections that are susceptible to dicloxacillin
  • Bone and joint infections when prescribed
  • Respiratory infections caused by susceptible bacteria
  • Post-surgical or wound infections when directed by a doctor

How to take Klox D 500 mg Capsule

  • Swallow Klox D 500 mg Capsule whole with a full glass of water; do not crush, chew, or open it.
  • Take it on an empty stomach, usually 1 hour before meals or 2 hours after meals, because food can reduce absorption.
  • Try to take each dose at evenly spaced times to keep the antibiotic level steady.
  • Finish the full prescribed course even if you feel better before it is done.
  • If you miss a dose, take it as soon as you remember unless it is almost time for the next dose; do not double up.

Klox D 500 mg Capsule dosage

Each Klox D 500 mg Capsule provides 500 mg of dicloxacillin, which is a common adult-strength capsule dose. Your doctor may prescribe it multiple times per day, often every 6 hours, depending on the infection and your response; the maximum daily amount must be set by your prescriber based on your condition. Do not change the dose or stop early without medical advice.

Do not change your dose or stop the medicine without speaking to your doctor.

Klox D 500 mg Capsule side effects

Common side effects of Dicloxacillin may include:

  • Nausea
  • Vomiting
  • Diarrhea
  • Stomach upset or abdominal pain
  • Mild rash
  • Headache
  • These stomach side effects may be more noticeable if the capsule is not taken correctly

Get medical help right away if you notice:

  • Severe allergic reaction with trouble breathing, swelling, or hives
  • Severe diarrhea that is watery, bloody, or does not stop
  • Yellowing of the skin or eyes, dark urine, or signs of liver injury
  • Severe skin reaction with blistering or peeling
  • Unusual bleeding or bruising

Precautions and warnings

  • Do not take Klox D 500 mg Capsule if you have a known allergy to dicloxacillin or other penicillin antibiotics.
  • Tell your doctor if you have had liver problems, kidney disease, or antibiotic-associated colitis before starting treatment.
  • This higher-strength capsule is not for viral illnesses like colds, flu, or sore throat unless a bacterial infection has been confirmed.
  • Take it on an empty stomach for better absorption; taking it with meals may lower the amount your body absorbs.
  • Alcohol is not known to directly interact with dicloxacillin, but heavy use can worsen stomach upset and make you feel worse while sick.
  • Tell your prescriber about all medicines you take, especially blood thinners, methotrexate, and other antibiotics.
  • Use caution if you need to drive and you feel dizzy, weak, or unwell after taking the capsule.

Drug interactions

  • Warfarin and other anticoagulants
  • Methotrexate
  • Tetracycline antibiotics
  • Probenecid
  • Oral contraceptives may be less reliable if vomiting or severe diarrhea occurs

Storage

Store Klox D 500 mg Capsule at room temperature in a dry place, away from moisture and direct heat, and keep it in the original strip/box until use.

Frequently asked questions about Klox D 500 mg Capsule

What is Klox D 500 mg Capsule used for?

Klox D 500 mg Capsule is used for bacterial infections caused by germs that are sensitive to dicloxacillin, especially certain staph infections. It should not be used for viral infections like colds or flu.

How should I take Klox D 500 mg Capsule for best absorption?

Take Klox D 500 mg Capsule on an empty stomach, usually 1 hour before food or 2 hours after a meal. Swallow it whole with water and do not crush or chew the capsule.

Is Klox D 500 mg a strong dose?

Yes, Klox D 500 mg Capsule is a higher-strength dicloxacillin capsule intended for patients whose doctor has decided this dose is appropriate. The exact schedule and maximum daily amount depend on the infection and the prescriber’s instructions.

What should I do if I miss a dose of Klox D 500?

Take the missed Klox D 500 mg Capsule as soon as you remember unless it is close to the next scheduled dose. If it is almost time for the next dose, skip the missed one and do not take two capsules at once.

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