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The UNITED STATES and some other countries require a prescription on all medication sold from Mexico. They further require documentation in English and an invoice of all medicines sold for customs.  For these countries, Medicina Mexico is now delivering your medicines to Dr. Isaac Reyes, MD (Ced. Federal 644884) (Ced. Estatal 1537-02/05) along with the required documentation including documentation on each medication sold in English is from Wolters Kluwer.   Dr. Reyes upon receipt of your medication will issue a prescription and provide for shipping pursuant to your order.   If for any reason, Dr. Reyes fails to issue a prescription for a specific medication, then you will receive a refund or credit.

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Pentrexyl 500mg 28 Caps, Ampicillin

Pentrexyl 500mg 28 Caps, Ampicillin
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Pentrexyl 500mg 28 Caps, Ampicillin


THERAPEUTIC INDICATIONS:PENTREXYL*is indicatedfor thetreatment ofthe followinginfectionsdueto susceptible strainsof gram-negativeandGram-positive:

- respiratory tract infections.

- Bacterial Meningitis (the addition of an aminoglycoside may increase the effectiveness of ampicillin against gram-negative bacteria in particular).

- Septicemia and endocarditis (the addition of an aminoglycoside may increase the effectiveness of ampicillin in the case of enterococcal endocarditis).

- urinary tract infections.

- Gastrointestinal infections.

Bacteriological studies should be conducted to determine the etiologic agent and its sensitivity to ampicillin.

The treatment can be instituted before obtaining results of susceptibility testing.

Reservations recommended the parenteral form of this drug for moderately severe and severe infections for patients who are unable to take oral forms. In the presence of shock absorption from intramuscular sites is reduced, therefore, is recommended intravenously in critically ill patients. As soon as deemed appropriate can be changed to PENTREXYL * mouth.

CONTRAINDICATIONS: There are a contraindication history of prior hiperserisibilidad reaction to penicillin or any component of the formula.

Respiratory tract infections and soft tissue:


Patients weighing 20 kg or more: 250 mg every 6 hours.

Patients who weigh less than 20 kg: 50 mg / kg / day in equally divided doses every 6 to 8 hours.

Patients weighing under 40 kg: 25 to 50 mg /
kg / day in equally divided doses every 6 to 8 hours.

Patients weighing over 40 kg: 250 to 500 mg every 6 hours.

Gastrointestinal tract infections and genitourinary:


Patients weighing 20 kg or more: 500 mg every 6 hours.

Patients weighing under 20 kg: 100 mg / kg / day in equally divided doses every 6 to 8 hours.

Parenteral: (Includes genitourinary infections caused by N. gonorrhoeae in women).

Patients weighing 40 kg or more: 500 mg every 6 hours.

Patients weighing under 40 kg: 50 mg / kg / day in equally divided doses every 6 to 8 hours.

In the treatment of chronic urinary tract infections and bowel is required bacteriological and clinical frequently.

Should not be used at lower doses than recommended. Higher doses may be used in severe or resistant infections. In resistant infections may require treatment for several weeks.Occasionally, it may be necessary clinical and / or bacteriological for several months after treatment ends.

Urethritis in men and women due to N. gonorrhoeae:

Oral: 3.5 g to 1.0 g of probenecid given simultaneously.

Urethritis in males due to N. gonorrhoeae:


Adults: 2 doses of 500 mg each at intervals of 8-12 hours. Treatment may be repeated if necessary or extended if required.

In the treatment of gonococcal urethritis complications such as prostatitis and epididymitis, prolonged treatment is recommended and intense. Should be tested in cases of gonorrhea with a suspected primary lesion of syphilis before instituting therapy. In all other cases suspected of concomitant syphilis, serological tests should be done every month for a minimum of four months. Parenteral doses previous infections may occur either via IM or I.V.Where appropriate you can switch to the oral form of PENTREXYL * ampicillin.

Name of medicine: Pentrexyl
Comparable patent medicine: Pentrexyl
Active ingredient: Ampicillin
Presentation: Capsules
Concentration: 500 mg
Lab: Bristol-Myers Squibb
Box with 28 pills
Made in: Mexico

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