Phexin 250 mg
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Phexin 250 mg


Phexin 250 mg contains Cephalexin as an active ingredient. This antibiotic is usually used to treat bacterial infections. It is not advised to use this product without a doctor’s recommendation.

30 caps $8.00
60 caps $14.00
90 caps $20.00

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A drug that is commonly used to treat a wide range of bacterial infections in your body. This medicine is effective in infections of the:

  • Lungs
  • Ears
  • Throat
  • Urinary tract
  • Skin
  • Soft tissues
  • Bones
  • Joints
  • And others

Phexin 250 mg works by paralyzing and killing the bacteria. This helps to improve the symptoms and cure the infection. The active ingredient of this medicine is Cephalexin. Nonetheless, it also contains other inactive ingredients such as hypromellose, sodium starch glycolate, titanium dioxide, and others. Phexin 250 mg belongs to the class of medicines called cephalosporin antibiotics.

The manufacturer of Phexin 250 mg is GlaxoSmithKline.

How to Administer Phexin 250 mg?

Usually, the recommended daily dose is 2-3 tablets or as your healthcare provider directs. Take the tablet whole by mouth with a glass full of water, preferably on an empty stomach. Do not use other beverages such as alcohol because it may increase the risk of adverse effects. In case, nausea or stomach upset occurs, you can administer this medicine with milk or light food. Use this medicine at a fixed time every day, to get a better effect.

Additionally, it is not advised to use Phexin 250 mg more frequently than is prescribed by a doctor because your condition will not improve faster. In some circumstances, your doctor may gradually increase the dosage for several weeks.

Using the liquid form of Phexin 250 mg requires a special measuring device or spoon. Do not use a household teaspoon because you may get the wrong dose, which may also increase your risk of adverse reactions. If you see no improvements in your medical condition in the first week of treatment, contact a healthcare provider right away.


Usually, the dosages are based on the severity of the health condition, age, response to treatment, and other medications that you may be using. Thus, doctors prescribe different dosages for their patients. If you are not sure what dosage is better for you, consult a doctor or avoid using this medicine.

  • Phexin 250 mg

Missed Dose

In case you miss a dose, you should administer it as soon as possible. However, if it is near the time for the next dose, simply skip the missed dose and continue the regular schedule as prescribed. In addition, you should not take a double dose the next time trying to catch up because it may increase the risk of severe negative effects.


In rare cases, you may experience an overdose due to an increased dose of Cephalexin. Symptoms of overdose include severe dizziness, trouble breathing, passing out, fast heartbeat, and others. If you experience any of the symptoms listed above, stop taking this medicine and ask for medical help immediately. Ask your doctor if you have any questions.

Adverse Effects of Phexin 250 mg

This product may give you certain side effects during treatment. However, if your body adjusts to Cephalexin, you may not notice any of the following adverse effects. There are some factors that can cause adverse effects such as dehydration, overdose, and allergy.

Common Adverse Effects

Usually, patients can continue taking Phexin 250 mg even if they experience any of the following adverse effects. However, your doctor may be able to help you to prevent or avoid side effects. Check some examples below:

  • Weakness
  • Flushing
  • Tiredness
  • Feelings of tingling or prickling
  • Drowsiness
  • Dizziness
  • Cold hands or feet
  • Dry mouth

Severe Adverse Effects

While this category of adverse effects may occur in rare cases, you should stop taking this medicine if you experience any of them. Examples include:

  • Jaw, neck, or throat pain
  • Bloody diarrhea
  • Unexplained fever
  • Restlessness
  • Speaking problems
  • Sudden vision changes (such as blurred vision)
  • Unusual sweating
  • Confusion

Discuss with your physician if you are noticing any of the adverse effects listed above or any other effects.


Cephalexin may interact with some substances and medicines. It means that other drugs may change how this medication works by reducing its effectiveness or even increasing the risk of adverse effects. That’s why you should inform your doctor about all products that you are using before administering Phexin 250 mg. Examples include prescription medicines, supplements, vitamins, herbal products, nonprescription medicines, and others. Check some examples below:

  • Isocarboxazid
  • Linezolid
  • Metaxalone
  • Rasagiline
  • Safinamide
  • Procarbazine
  • Phenelzine
  • Selegiline
  • Tranylcypromine
  • Methylene blue
  • Moclobemide
  • Paroxetine
  • Sumatriptan
  • Fluoxetine
  • Duloxetine
  • Zolmitriptan
  • Venlafaxine
  • Dihydroergotamine

It is recommended to talk with a doctor before using this medication because this article does not contain all possible drug interactions. In addition, you should not start, stop, or change the dosages without the doctor’s approval because it may lead to unwanted results.


Tell your doctor if you are allergic to the ingredients of the drug or if you have any other allergies. Moreover, you should share your medical history with your doctor before using Phexin 250 mg. Examples include:

  • Liver disease
  • Seizures
  • Stroke
  • Some types of headaches (such as basilar migraine, hemiplegic, and others)
  • Heart problems (such as angina, recent heart attack, irregular heartbeat, and others)
  • Cancer
  • Surgery
  • Diabetes

This product may make you drowsy or dizzy or may temporarily blur your vision, Therefore, you should avoid alcoholic drinks and marijuana (cannabis) during treatment because these effects may increase. In addition, you should not drive until your vision becomes clear.

Phexin 250 mg may be used during pregnancy when it is clearly needed only because it may harm your unborn baby. Consult a doctor if you are a breastfeeding mother because there is no information if Cephalexin passes into breast milk.


  • It is advised to store this product at room temperature (below 30 C or 86 F degrees) and away from direct sunlight and moisture. Therefore, you should not keep Phexin 250 mg in the bathroom.
  • Keep away this medicine from pets because it may be harmful to them.


  • Information in this article may be different compared to a doctor’s prescription. Thus, to treat your conditions fast and safely, you should follow the doctor’s recommendation only.
  • It is not allowed to use Phexin 250 mg after its shelf life because it may increase your risk of severe negative effects.
  • Do not share this medication with others, especially with children.

Additional information

Active Ingredient





10 caps/blister




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