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Nature's Bounty Red Krill Oil Side Effects

Generic Name: omega-3 polyunsaturated fatty acids

Note: This page contains side effects data for the generic drug omega-3 polyunsaturated fatty acids. It is possible that some of the dosage forms included below may not apply to the brand name Nature's Bounty Red Krill Oil.

For the Consumer

Applies to omega-3 polyunsaturated fatty acids: oral capsule liquid filled

As well as its needed effects, omega-3 polyunsaturated fatty acids (the active ingredient contained in Nature's Bounty Red Krill Oil) may cause unwanted side effects that require medical attention.

Major Side Effects

If any of the following side effects occur while taking omega-3 polyunsaturated fatty acids, check with your doctor immediately:

Incidence not known:
  • Bleeding gums
  • cough
  • coughing up blood
  • difficulty with breathing or swallowing
  • dizziness
  • fast or irregular heartbeat
  • headache
  • hives, itching, or skin rash
  • increased menstrual flow or vaginal bleeding
  • nosebleeds
  • paralysis
  • prolonged bleeding from cuts
  • puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  • red or black, tarry stools
  • red or dark brown urine
  • sweating
  • tightness in the chest
  • unusual tiredness or weakness

Minor Side Effects

Some omega-3 polyunsaturated fatty acids side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them:

Less common:
  • Acid or sour stomach
  • bad, unusual, or unpleasant (after) taste
  • belching
  • bloated or full feeling
  • change in taste
  • excess air or gas in the stomach
  • heartburn
  • indigestion
  • stomach discomfort, upset, or pain
Incidence not known:
  • Diarrhea
  • difficulty having a bowel movement (stool)
  • loss of appetite
  • nausea or vomiting
  • passing of gas
  • stomach fullness

For Healthcare Professionals

Applies to omega-3 polyunsaturated fatty acids: oral capsule, oral delayed release capsule, oral kit, oral liquid, oral tablet chewable

Gastrointestinal

Common (1% to 10%): Eructation, dyspepsia, nausea, gastrointestinal disorders (including abdominal distension, abdominal pain, constipation, diarrhea, flatulence, gastroesophageal reflux disease, vomiting)
Uncommon (0.1% to 1%): Gastrointestinal hemorrhage, gastroenteritis
Rare (less than 0.1%): Gastrointestinal pain
Very rare (less than 0.01%): Lower gastrointestinal hemorrhage[Ref]

General

The most common adverse events were eructation, dyspepsia, and taste perversion[Ref]

Other

Common (1% to 10%): Infection, pain
Uncommon (0.1% to 1%): Death[Ref]

Dermatologic

Common (1% to 10%): Rash
Uncommon (0.1% to 1%): Atopic dermatitis
Rare (less than 0.1%): Urticaria, acne, rash pruritic
Frequency not reported: Pruritus[Ref]

Cardiovascular

Uncommon (0.1% to 1%): Hypotension[Ref]

Musculoskeletal

Common (1% to 10%): Back pain[Ref]

Metabolic

Uncommon (0.1% to 1%): Hyperglycemia, gout, high triglycerides
Very rare (less than 0.01%): Blood lactate dehydrogenase increased[Ref]

Nervous system

Common (1% to 10%): Taste perversion
Uncommon (0.1% to 1%): Dizziness, dysgeusia, headache, hyperactivity[Ref]

Respiratory

Uncommon (0.1% to 1%): Epistaxis
Very rare (less than 0.01%): Nasal dryness
Frequency not reported: Influenza[Ref]

Hypersensitivity

Rare (less than 0.1%): Hypersensitivity
Postmarketing reports: Anaphylactic reaction[Ref]

Hematologic

Very rare (less than 0.01%): White blood count increased,
Frequency not reported: Slight prolongation of bleeding time
Postmarketing reports: Hemorrhagic diathesis[Ref]

Psychiatric

Uncommon (0.1% to 1%): Tics, tantrum, insomnia[Ref]

Hepatic

Rare (less than 0.1%): Liver disorders (including increased ALT, increased AST, and transaminases increased)[Ref]

References

1. "Product Information. Omega-3 D-3 Wellness Pack (omega-3 polyunsaturated fatty acids)." TMIG Inc, Marietta, GA.

2. "Product Information. Vayarin (omega-3 polyunsaturated fatty acids)." Vaya Pharma, Greenville, SC.

3. "Product Information. Omega-3-Acid Ethyl Esters (omega-3 polyunsaturated fatty acids)." Apotex Corporation, Weston, FL.

4. "Product Information. Lovaza (omega-3 polyunsaturated fatty acids)." GlaxoSmithKline, Research Triangle Park, NC.

5. Cerner Multum, Inc. "Australian Product Information." O 0

6. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0

It is possible that some side effects of Nature's Bounty Red Krill Oil may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.

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