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Megapen 250 250 mg

100% of 100
Ampicillin Cloxacillin

US$ 0.26

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More Information
SKU 57
Generic Name Ampicillin Cloxacillin
Manufacturer Aristo Pharamaceuticals Pvt Ltd, India
Pack Size Qty Price Per Pill or Unit Price Cart
30 Capsules US$ 0.38 US$ 11.50
60 Capsules US$ 0.30 US$ 18.0022%US$ 23.00
90 Capsules US$ 0.26 US$ 23.5032%US$ 34.50
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About the drug:

Ampicillin and Cloxacillin is a combination penicillin antibiotic medicine prescribed mainly to provide an extended line of effectiveness, particularly against penicillin-resistant infections. It has two active ingredients namely Ampicillin and Cloxacillin.

Uses of the drug:

This antibiotic medication is used against a wide range of bacterial infections such as middle ear infections, upper and lower respiratory tract infections, gastro intestinal infections, skin and soft tissue infections (boils, infections due to insect bites, impetigo a bacterial skin infection characterized by small pus filled blisters, and endocarditis inflammation of the lining of the heart and its valves).

Working of the drug:

This drug consists of Ampicillin and Cloxacillin. They both works by stopping the growth of bacteria..


Megapin is manufactured by Aristo, India. The drugs are available on our website under various pack sizes. To buy Megapin 250+250 mg online, visit alldaychemist.com.

Dosage form and  strengths:

The drug is available in the form of Capsule under the following brand name and strength on our website:

  • Megapin 250+250 mg

Buy Megapin 250+250 mg online at alldaychemist.com.

Before you take the drug:

Do not take the drug if you:

Are allergic to this active ingredient Ampicillin and Cloxacillin or any other ingredient of the drug

  • Are pregnant or planning to be pregnant
  • Are under 16 years of age
  • Are breastfeeding, as the drug may pass into the breast milk

Tell your doctor if you:

  • Have high blood pressure
  • Have past episodes of depression or suicidal thoughts
  • Have a history of seizures
  • Have asthma
  • Have diabetes
  • Have kidney/liver problem


How much to take the drug?

Dosage depends upon your age, weight, medical condition and your response to the treatment. Hence doctor will decide your dose. Take the dose exactly as prescribed by the doctor. general dosage is one 250+250 mg capsules three times in a day. Never take two 250+250 mg Capsules to substitute one 500 mg Capsule.

How to take the drug?

The drug is usually recommended to be taken with the meal or snack. The Capsules can be swallowed easily with a glass of water. The doctor usually recommends it either three time a day after every 12 hours. Do not split or break the capsules.

For how long to take it?

You should take the dose until you finish the prescription. Do not change the dose or stop it even if you feel better. You should complete the dose.


In case of an overdose,  get emergency medical attention or call the Doctor Immediately.

Miss dose:

If you miss a dose of amoxicillin, then take it as soon as you remember. Never take the missed dose if the time to take the next dose is almost up. Taking multiple doses near to each other can lead to excess medication in your body which can be harmful.

Side effects of the drug:

Diarrhea, nausea, and vomiting are common side effects of Ampicillin and Cloxacillin (Omnipen, CAmpicillin and Cloxacillin). If any of these effects continue for a longer time or deteriorate, contact your doctor immediately.

Ampicillin and Cloxacillin may rarely cause serious side effects such as persistent/bloody diarrhea (Clostridium difficile-associated diarrhea), dark urine, persistent nausea/vomiting, severe stomach/abdominal pain, yellowing eyes/skin, easy bruising/bleeding, new signs of infection (fever, persistent sore throat), or unusual tiredness. The information on side effects of Ampicillin and Cloxacillin in this guide is not complete and there may be other side effects.

Common drug interactions:

You must share in advance with your doctor, the list of all medications which you may be using, especially these ones: allopurinol, probenecid, chloroquine, phenytoin, antacids, blood thinner such as warfarin, and another antibiotic (for the same or a different infection). These drugs may interact with Ampicillin and Cloxacillin. However, this is incomplete information as mentioning all the details here is out of scope for this guide. There may be other medications. Never start a new medication with consulting a doctor.


Things to remember:

  • Do not share this medicine with anyone else even if he has same symptoms as you do
  • Do not use this medication for any other infection without referring to the doctor
  • In case you do not feel comfort after completing the dose prescribed by the doctor then consult with your doctor immediately
  • The safety and efficacy of this drug is not established in children below 16 years of age
  • Do not freeze the medicine and store the medicine at room temperature


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