Can you overdose on melatonin?
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Melatonin supplements can help treat sleep conditions such as insomnia, as well as post-traumatic brain damage and migraines. They are generally safe and not toxic.
However, taking more than you need can increase the risk of side effects. Although it is technically possible to overdose on melatonin, potentially fatal reactions are rare.
Melatonin supplements are safe when used in moderate doses – less than 5 milligrams – for short periods. Taking too much or use it longer than recommended can increase the risk of side effects of melatonin, such as:
- Headache
- Fatigue
- Dizziness
- Overturned stomach
- Lively dreams or nightmares
- Bed pin (in children)
- Rash
- Fractures (in the elderly)
In rare cases, some people may undergo allergic reactions or other effects on bodily processes when taking melatonin, such as blood pressure changes, blood sugar and crisis threshold (what facility can have a crisis). This is why you should consider talking to a health care provider before using this supplement.
Melatonin can also interfere with certain drugs, such as:
- Blood Finions like Coumadin (Warfarin)
- Antidepressants like Luvox (fluvoxamine)
- Antibiotics like cipro (ciprofloxacin)
- Caffeine
- Oral birth control
- Immunosuppressants (drugs that lower your immune system activity)
- Alcohol
- Other supplements of sleep assistance, such as Kava, Valerian or L-TRYPTOPHANE
Additional research is necessary to better understand how melatonin can affect you in the long term. Some research suggests that long -term use of melatonin can reduce the quality of sperm. It is best to use melatonin only for a short period, except when it is otherwise recommended by your health care provider.
There is no well -defined standard dose for melatonin. However, various studies have used doses of melatonin between 0.1 and 10 milligrams.
Experts consider that low to moderate melatonin doses, between 5 and 6 milligrams, are a safe and efficient daily quantity. Doses as low as 1 milligram can actually be as effective as higher quantities and can reduce the risk of overdose. For best results, melatonin should be taken 30 to 60 minutes before bedtime.
The doses recommended for different ages include:
- Infants (less than 2): 1 milligram (MG)
- Children (2-9): 2.5-3 mg
- Adolescents (10–17 years old): 5 mg
- Adults (18+): 5-6 mg
- Children with special needs: 0.5 to 10 mg
Some studies have revealed that taking melatonin at doses greater than 10 milligrams increases the risk of side effects. The amount of melatonin in each supplement may vary considerably, which facilitates too much. Certain supplements may even contain up to 478% melatonin more than the amount listed on the label.
This is why it is preferable to stick to the dose and the brand recommended by your health care provider or pharmacist (a health professional trained in the preparation and distribution of prescription drugs). It is also important to make sure that your melatonin has safe ingredients and is only purchased from manufacturers who have been tested by a third party.
Taking too much melatonin can lead to an increase in side effects, such as:
- Excessive drowsiness
- Overturned stomach
- Dizziness
- Fatigue
- Confusion
- Increase in heart rate
- Skin irritation
- Hypothermia (low body temperature, generally less than 95 degrees fahrenheit)
If you notice one of these side effects, you may want to interrupt melatonin and get expert advice on the optimal dose for you. Most side effects are resolved after stopping melatonin.
Melatonin overdose can also cause serious symptoms that require urgent medical care:
- Difficulty breathing
- Seizures
- Chest pain
- Tremors
- Increase in blood pressure
Melatonin affects people differently, depending on their age, their dose and their underlying conditions. For example, the use of doses as low as 3 milligrams has been associated with an increased risk of fractures in the elderly.
If you want to take more than 10 milligrams of melatonin or use it for more than six months, do not do so without speaking first to your health care provider.
A melatonin overdose is generally not fatal. If you suspect symptoms of melatonin overdose, you should stop taking melatonin and requesting medical care. Health professionals will determine the severity of your symptoms and advise you on the next step.
If your child or your loved one has irregular breathing or loses consciousness after having melatonin, ask for immediate emergency care.
Melatonin has low toxicity and is generally safe. However, taking more than recommended or using it for a long time can increase your risk of side effects. Common symptoms of melatonin overdose include excessive drowsiness, stomach aches, dizziness, confusion and increase in heart rate.
You can also feel serious symptoms of melatonin overdose, such as convulsions, difficulties in breathing, chest pain or blood pressure. If you notice one of these symptoms, immediately call control of the poison.




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