Megapen 250 250 mg

Ampicillin and Cloxacillin

US$ 0.26

In stock
Pack Size Qty Price Per Pill or Unit Price Offer
30 Capsules US$ 0.27 US$ 7.95
60 Capsules US$ 0.26 US$ 15.88
90 Capsules US$ 0.26 US$ 23.84


SKU 57
US Brand Name Megapen
Strength 250 + 250 mg
Generic Name Ampicillin Cloxacillin
Manufacturer Aristo Pharamaceuticals Pvt Ltd

Description of the drug:

Ampicillin and Cloxacillin are the main active ingredients present in the drug Megapin 250 + 250 mg. The combination drug belongs to a category of broad spectrum antibiotics used against the invading bacterial species like Salmonella, Clostridium, Shigella, Pneumococci, Neisseria, and Streptococcus. It is used against both gram positive and gram negative bacterial species which are known to cause fatal diseases and infections.

Indications and usage:

This drug is highly prescribed by doctor for the treatment of bacterial infections, which affects the sensory organs like ear, upper respiratory tract infections, dermatitis, sinusitis, meningitis, endocarditis, pharyngitis, bronchitis, and gastrointestinal infections.

Dosage and administration:

-Recommended dose

The recommended dosage of this drug for adults is 250 + 250 mg after four times every day. The dosage should be adjusted under the supervision of the doctor. Report your doctor after a regular time interval of 3 to 4 weeks. This drug can be consumed along with other medication, but under strict supervision of your doctor.

-Mode of administration:

Megapin 250 + 250 mg drug is available in the form of a capsule and this makes it easier to be consumed orally with sufficient amount of water. Do not crush or chew the tablet. Swallow it completely.

-Missed dose:

If you forget to take your medication, do take it as soon as you remember it. In the case of any complications please contact your doctor immediately.


In case if you take an extra dose, consult your doctor and do as instructed.

Forms and strengths:

The medicine is available in the form of a capsule and is applicable to the following strength/s :

  • Megapin 250 + 250mg

You can buy Megapin 250 + 250mg drug online from our website at a very reasonable price.


The combination drug is reported to contraindicate in the following cases:

  • People who are allergic to Ampicillin and Cloxacillin
  • Women who are pregnant or planning pregnancy
  • Breastfeeding mother
  • Hypersensitivity

Warnings and Precautions:

  • You should give all the relevant information related to your medical background to the doctor. Both the active ingredients of this drug has been reported to cause severe hypersensitive reactions in some cases
  • Please consult your doctor before taking this drug along with any other medications. This may lead to allergic reactions and other severe complications
  • In a case if the patient has to undergo surgery make sure to inform your doctor beforehand. Anaesthesia can cause hypotension and interfere with the working of this drug
  • Avoid consuming this drug before taking any laboratory tests. This drug contains some water soluble constituent that can increase the serum plasma levels
  • In case, you have renal disorders please, do inform your doctor before consuming this medicine. The combination medicine can have an adverse effect on kidneys, heart, and Liver
  • Avoid consumption of alcoholic beverages if you are already using Megapin. Alcohol can alter the effectiveness of this drug
  • Avoid smoking if you are taking this medicine. Smoking can interfere with the working mechanism of this drug.
  • Whenyou buy Megapin 250 + 250 mg drug online from our website, make sure to note down of all the instructions mentioned here and follow them strictly.




Side effects:

The drug is known to have very mild and severe complications and some of the below mentioned side effects:

  • Redness
  • Irritation
  • Dryness
  • Agitation
  • Back pain
  • Blindness
  • Blurred vision
  • Burning, numbness, tingling, or painful sensations in the hands or feet
  • Changes in speech patterns
  • Confusion
  • Convulsions
  • Decreased vision
  • Depression
  • Dizziness
  • Drowsiness
  • Eye pain
  • Fever
  • Hallucinations
  • Headache
  • Irritability
  • Lack of coordination
  • Nausea
  • Seizures
  • Shakiness and unsteady walk
  • Slurred speech
  • Stiff neck or back
  • Trouble speaking
  • Unsteadiness, trembling, or other problems with muscle control or coordination
  • Unusual tiredness or weakness
  • Vomiting
  • Weakness in the arms, hands, legs, or feet

Drug interactions:

Several drugs are reported to interact with the working of Ampicillin and Cloxacillin. Some of these drugs are:

  • Probenecid
  • Metformin
  • Cimetidine
  • Lithium


The drug is composed of the following main ingredient/s:

  • Ampicillin 250 mg
  • Cloxacillin 250 mg

This combination drug interferes with the cell wall formation by blocking the transpeptidation reaction in the invading bacterial species. It destroys the peptidoglycan layer of the wall which acts as the main building block in the bacterial wall synthesis.


Store this drug under room temperature and away from heat and moisture

  • Keep this drug away from the reach of pets and children
  • Do not refrigerate the medicine
  • Do not discard the expired medicine without wrapping it properly



Megapin 250 + 250 mg drug is manufactured by one of the global transnational pharmaceutical company namely Dr. Reddy Pharmaceuticals.


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