Fish Oil Side Effects: Risks & Precautions

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.

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.