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What is Principen (Ampicillin-Oral Solid) ?

Can I buy Principen without Health Insurance, Medicare or Medicaid? Check and see if we carry Principen in our prescription list!

What Alternate Names Are There For Principen? Totacillin, Ampicillin Trihydrate, Marcillin, Ampicillin

Who is the Manufacturer of Principen? Sandoz

What is Principen Used For? Principen is a penicillin-related antibiotic used to treat a variety of bacterial infections.

How To Use Principen
Principen should be taken on an empty stomach. The liquid suspension form of Principen must be shaken well before using. Antibiotics work best when the amount of medicine in your body is kept at a constant level. Do this by taking the medication at evenly spaced intervals throughout the day and night. Continue to take Principen until the full prescribed amount is finished even if symptoms disappear after a few days. Stopping the medication too early may allow bacteria to continue to grow resulting in a relapse of the infection.

Principen Side Effects
Principen may cause stomach upset, diarrhea, nausea, and vomiting during the first few days as your body adjusts to the medication. If these symptoms persist or become severe, inform your doctor. Notify your doctor immediately if an allergic reaction occurs while taking Principen. Symptoms include: difficulty breathing, skin rash, hives, itching. If you notice other effects not listed above, contact your doctor or pharmacist.

Principen Precautions
Tell your doctor if you have: other illnesses, allergies (especially to penicillin or other antibiotics). Use of Principen for prolonged or repeated periods may result in a secondary infection (e.g., oral, bladder or vaginal yeast infection). Principen should be used only if clearly needed during pregnancy. Discuss the risks and benefits with your doctor. Since small amounts of Principen are found in breast milk, consult your doctor before breast-feeding.

Principen Drug Interactions
Tell your doctor of all prescription and nonprescription drugs you may use, especially of: tetracycline. Principen may interfere with the effectiveness of birth control pills. Discuss using other methods of birth control with your doctor. Do not start or stop any medicine without doctor or pharmacist approval.

Principen Overdose
If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include nausea, vomiting, agitation, confusion, muscle weakness, unconsciousness, or seizures.

Missed Principen Dose
If you should miss a dose, take it as soon as remembered unless it is almost time for the next dose. If it is nearly time for the next dose, skip the missed dose and resume your usual dosing schedule. Do not double-up the dose.

Principen Storage
Store tablets and capsules at room temperature away from moisture and sunlight. Do not store in the bathroom. Refrigerate liquid forms. Discard any unused portion after 14 days as it loses potency.


Generic and Namebrand Variations
Label NameUnitPackageColorShapeFlavorNDC
Ampicillin 500mg Capsule Bottle 49999011720
Ampicillin 500mg Capsule Bottle 66267002528
Ampicillin 500mg Capsule Bottle 66267002540
Ampicillin Tr 500mg Capsule Bottle 00247015707
Ampicillin Tr 500mg Capsule Bottle 00247015716
Ampicillin Tr 500mg Capsule Bottle 00247015720
Ampicillin Tr 500mg Capsule Bottle 00247015721
Ampicillin Tr 500mg Capsule Bottle 00247015728
Ampicillin Tr 500mg Capsule Bottle 00247015730
Ampicillin Tr 500mg Capsule Bottle 00247015740
Ampicillin Tr 500mg Capsule Bottle 00403024425
Ampicillin Tr 500mg Capsule Bottle 00403024440
Ampicillin Tr 500mg Capsule Bottle 49884062801
Ampicillin Tr 500mg Capsule Bottle 49884062805
Ampicillin Tr 500mg Capsule Bottle 52959038920
Ampicillin Tr 500mg Capsule Bottle 52959038928
Ampicillin Tr 500mg Capsule Bottle 52959038930
Ampicillin Tr 500mg Capsule Bottle 52959038940
Ampicillin Tr 500mg Capsule Bottle 53978501906
Ampicillin Tr 500mg Capsule Bottle 54868311300
Ampicillin Tr 500mg Capsule Bottle 54868311301
Ampicillin Tr 500mg Capsule Bottle 54868311303
Ampicillin Tr 500mg Capsule Bottle 54868311305
Ampicillin Tr 500mg Capsule Bottle 54868311307
Ampicillin Tr 500mg Capsule Bottle 54868311308
Ampicillin Tr 500mg Capsule Bottle 55045120403
Ampicillin Tr 500mg Capsule Bottle 55045120407
Ampicillin Tr 500mg Capsule Bottle 55045120409
Ampicillin Tr 500mg Capsule Bottle 55289002404
Ampicillin Tr 500mg Capsule Bottle 55289002407
Ampicillin Tr 500mg Capsule Bottle 55289002410
Ampicillin Tr 500mg Capsule Bottle 55289002420
Ampicillin Tr 500mg Capsule Bottle 55289002428
Ampicillin Tr 500mg Capsule Bottle 55289002430
Ampicillin Tr 500mg Capsule Bottle 55289002440
Ampicillin Tr 500mg Capsule Bottle 58016014900
Ampicillin Tr 500mg Capsule Bottle 58016014907
Ampicillin Tr 500mg Capsule Bottle 58016014910
Ampicillin Tr 500mg Capsule Bottle 58016014920
Ampicillin Tr 500mg Capsule Bottle 58016014921
Ampicillin Tr 500mg Capsule Bottle 58016014924
Ampicillin Tr 500mg Capsule Bottle 58016014925
Ampicillin Tr 500mg Capsule Bottle 58016014928
Ampicillin Tr 500mg Capsule Bottle 58016014930
Ampicillin Tr 500mg Capsule Bottle 58016014940
Ampicillin Tr 500mg Capsule Bottle 60346059307
Ampicillin Tr 500mg Capsule Bottle 60346059310
Ampicillin Tr 500mg Capsule Bottle 60346059312
Ampicillin Tr 500mg Capsule Bottle 60346059315
Ampicillin Tr 500mg Capsule Bottle 60346059320
Ampicillin Tr 500mg Capsule Bottle 60346059328
Ampicillin Tr 500mg Capsule Bottle 60346059330
Ampicillin Tr 500mg Capsule Bottle 60346059340
Ampicillin Tr 500mg Capsule Bottle Gray/maroon Oblong 58864003328
Ampicillin Tr 500mg Capsule Bottle Gray/maroon Oblong 58864003340
Ampicillin Tr 500mg Capsule Bottle White/blue Oblong 54569241100
Ampicillin Tr 500mg Capsule Bottle White/blue Oblong 54569241101
Ampicillin Tr 500mg Capsule Cap Bottle 00332311306
Ampicillin Tr 500mg Capsule Cap Bottle 00904207340
Ampicillin Tr 500mg Capsule Cap Bottle Gray/blue Oblong 55370088107
Ampicillin Tr 500mg Capsule Cap Bottle Gray/blue Oblong 55370088108
Ampicillin Tr 500mg Capsule Cap Bottle Lt Gray/lt Blue 00047040430
Ampicillin Tr 500mg Capsule Cap Bottle White/blue Oblong 00093514601
Ampicillin Tr 500mg Capsule Cap Bottle White/blue Oblong 00093514605
Marcillin 500mg Capsule Cap Bottle 00682911301
Principen 500mg Capsule Bottle Gray/scarlet Oblong 66116024928
Principen 500mg Capsule Cap Bottle Gray/scarlet Oblong 00003013450
Principen 500mg Capsule Cap Bottle Gray/scarlet Oblong 00003013460
Totacillin 500mg Capsule Cap Bottle Orange/brown 00029662032


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