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Potassium aminobenzoate

Generic name: potassium aminobenzoate [ po-TAS-ee-um-a-MEE-noe-BEN-zoe-ate ]
Brand name: Potaba
Dosage form: oral capsule (500 mg)
Drug class: Oral nutritional supplements

Medically reviewed by on Jan 26, 2023. Written by Cerner Multum.

What is potassium aminobenzoate?

Potassium aminobenzoate is a form of Vitamin B, which supports many important body functions.

Potassium aminobenzoate is possibly effective in treating fibrosis or a certain type of inflammation, which can cause skin or tissues to harden. These conditions occur in people with scleroderma (SKLER-oh-DERM-a), dermatomyositis (der-mat-oh-mye-oh-SYE-tis), morphea (MOR-fee-a), pemphigus (pem-FYE-gus), or Peyronie's (pey-ROE-neez) disease.

Potassium aminobenzoate may also be used for purposes not listed in this medication guide.


Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

Before taking this medicine

You should not use potassium aminobenzoate if you are allergic to it, or if you are also taking a sulfa drug.

Tell your doctor if you have ever had:

Tell your doctor if you are pregnant or breastfeeding.

Do not give any herbal/health supplement to a child without medical advice.

How should I take potassium aminobenzoate?

Use exactly as directed on the label, or as prescribed by your doctor.

Take potassium aminobenzoate after a meal or with a snack. Take the the capsule with a full glass of water.

Potassium aminobenzoate doses are based on weight in children. Your child's dose needs may change if the child gains or loses weight.

Call your doctor if the condition you are treating with potassium aminobenzoate does not improve, or if it gets worse while using this product.

Store at room temperature away from moisture and heat.

What happens if I miss a dose?

Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking potassium aminobenzoate?

Avoid drinking alcohol.

Potassium aminobenzoate side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Potassium aminobenzoate may cause serious side effects. Call your doctor at once if you have:

Common side effects of potassium aminobenzoate may include:

  • nausea; or

  • loss of appetite.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect potassium aminobenzoate?

Tell your doctor about all your other medicines, especially:

This list is not complete. Other drugs may affect potassium aminobenzoate, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.

More about potassium aminobenzoate

Patient resources

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Further information

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.