- You can also have an allergic reaction to melatonin, but this is rare. In some cases, people may have anaphylaxis, which is a life-threatening allergic reaction, after they use melatonin. Other signs of an allergic reaction to melatonin may include:
- A study of poison control calls ... were hospitalized and two died. Signs of melatonin overdose include excessive sleepiness, vomiting and trouble breathing....
An overdose can leave you groggy and sleepy during the day and could also give you nightmares or vivid dreams at night. Signs that youve taken more melatonin than your body can take may include: Published

There is no specific treatment for melatonin overdose. Several generic treatments can be used to help prevent the absorption of melatonin, such as gastric lavage and activated charcoal. [2] Monitoring of vital signs and IV fluids can play a role, especially for individuals with reduced consciousness who might be unable to eat and drink.
- The authors present a case of 16-year-old male intentionally overdosed on 900mg of melatonin (180 tablets) and 10 tablets of 0.5mg alprazolam. Admitted to the emergency department, he was extremely drowsy and minimally responsive with a Glasgow coma scale score of 8/15. Vital signs were stable, and no renal or liver dysfunction was noted.

This particular example perfectly highlights why Melatonin Overdose Warning Signs And Symptoms is so captivating.
- Melatonin supplements at appropriate doses seem to be safe for short-term use. However, it is possible to experience complications after a melatonin overdose. Symptoms of melatonin overdose may include drowsiness or fatigue, confusion, and vomiting.
- Critical warning signs of melatonin overdose include unresponsiveness or inability to wake the person, slow or irregular breathing patterns, blue coloration around lips or fingernails, weak or irregular pulse, and extreme confusion or disorientation.
- Depending on the severity of symptoms, a person may need to call 911 if theyve taken large amounts of melatonin and are experiencing chest pain, extremely high blood pressure, or shortness of breath.