What are possible side effects of trazodone?

Trazodone, like other antidepressant medications, may increase the risk for suicidal thoughts and behavior, especially in children, teenagers, and young adults. A person with increased suicidal tendencies may be more anxious, restless, hostile, or irritable, and may act impulsively or suffer panic attacks. Talk to your doctor immediately if you notice any changes in mood of a person taking trazodone. Seek immediate medical attention if you experience any possible signs of an allergic reaction to trazodone, marked by facial swelling, hives, a rash, and difficulty breathing.
Seek immediate medical attention if you experience other serious side effects of trazodone, including irregular heartbeat, severe lightheadedness, fainting, seizures, shortness of breath, eye pain, changes in vision, swelling or redness in the eyehallucinations, vomiting, and chest pain. 
More common side effects of trazodone include dizziness, tiredness, headache, nausea, diarrhea, constipation, dry mouth or a bad taste in the mouth, stuffy nose, and nervousness. Some men may experience prolonged or painful erections while taking trazodone. Tell your doctor if you have any other symptoms that you suspect are possible side effects. Your doctor can determine if the symptoms are related to trazodone. Do not drink alcohol or take other drugs like muscle relaxers or sleep aids while on trazodone, as the combination may increase the risk of certain side effects. Don't drive or operate machinery until you know how you respond to trazodone.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.