Spirinolactone Side Effects

Spironolactone is a medication used to treat edema (fluid buildup) and hyperaldosteronism (a condition characterized by an imbalance of salt and water in your body). This medication works to get rid of this excess water and sodium in the form of urine. Spironolactone is available as a tablet and is usually taken once or twice a day. Before you take Spironolactone, it is important to inform yourself about its numerous side effects.

Serious Side Effects

According to Drugs.com, serious side effects can accompany spironolactone use. These include muscle pain or weakness, confusion, tremors, decreased urination and numbness. Spironolactone can also affect your heart rate and lead to bradycardia (slow heart rate), tachycardia (fast heart rate) or an arrythmia (irregular heart rate). Jaundice, nausea and low fever are other dangerous side effects of spironolactone.

Less Serious Side Effects

Medline Plus states that less serious side effects include diarrhea, vomiting, dizziness, thirst and headache. Users may also experience tender breasts, abnormal menstrual periods, fatigue and restlessness. If these side effects become severe, you should seek immediate medical attention. In some cases, spironolactone can also lead to increased hair growth and affect your appearance dramatically.

Allergic Reaction

In some instances, you may be allergic to spironolactone's ingredients. According to Drugs.com, such a reaction may lead to trouble breathing, hives and swelling of the face, lips and throat. Seek emergency help if you encounter these serious symptoms.

Overdose

Medline Plus states that signs of an overdose include dizziness, diarrhea, weakness, confusion, fatigue, nausea, vomiting or an irregular heartbeat. Immediate medical help is necessary.

References

Article reviewed by Jerri Farris Last updated on: Nov 29, 2009

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