Adverse Effects of Fish Oil

Fish oil supplements are used to promote heart health. When taken according to the directions, fish oils supplements are safe for most people. There are some who may have a negative reaction to fish oil. Taking too much fish oil can also result in side effects.
  1. Fish Odor

    • Taking fish oil supplements can cause the skin, breath and urine to have a fishy smell.

    Pregnancy

    • Fish oil is very high in vitamin A, which can cause birth defects. A woman should not take fish oil supplements early in her pregnancy.

    Asthma

    • People with asthma may find the condition worsened when taking fish oil supplements.

    Blood

    • Fish oil thins the blood, so users may experience occasional nose bleeds and might bruise more easily.

    Gastrointestinal Issues

    • Common side effects of fish oil supplements include nausea, diarrhea and excessive gas.

    Serious Reactions

    • Fever, flu like symptoms, chest pain and irregular heartbeat are signs of a serious reaction to fish oil supplements. A doctor should be consulted if any of these issues occur after taking fish oil supplements.

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