Loading...
Loading...
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice.
Brand Name
Melatonin Cord
Generic Name
Melatonin
Active Ingredient
MelatoninCategory
Vitamin C [EPC]
Variants
1
Different strengths and dosage forms
| Strength | Form | Route | NDC |
|---|---|---|---|
| 6 [hp_C]/mL | LIQUID | ORAL | 44911-0194 |
Detailed information about Melatonin Cord
This page is for informational purposes only and does not replace medical advice. Before using any prescription or over-the-counter medication for Melatonin Cord, you must consult a qualified healthcare professional.
Melatonin is a naturally occurring hormone and dietary supplement used primarily for the management of sleep-wake cycle disorders. It belongs to the class of melatonin receptor agonists and is widely utilized for jet lag, shift work sleep disorder, and delayed sleep phase syndrome.
Dosage for melatonin is highly individualized and often follows a 'less is more' principle. Unlike many medications, higher doses do not always result in greater efficacy and may increase the risk of side effects.
Melatonin should only be used in children under the direct supervision of a pediatrician.
Data on melatonin use in patients with renal impairment are limited. While the metabolites are excreted renally, the primary clearance is hepatic. However, caution is advised in patients with end-stage renal disease (ESRD).
Since melatonin is primarily metabolized by the liver (CYP1A2), patients with hepatic impairment or cirrhosis may experience significantly elevated plasma levels and a prolonged half-life. Use is generally not recommended in severe hepatic impairment.
Older adults may be more sensitive to the sedative effects of melatonin. Lower starting doses (0.5 mg to 1 mg) are recommended to minimize the risk of morning grogginess and potential falls.
If you miss a dose and it is nearly time for your usual wake-up, skip the missed dose. Do not take melatonin in the middle of the night if you need to be awake and alert in the morning, as this can cause significant daytime sleepiness. Never double the dose to catch up.
While melatonin has a high safety profile and no 'lethal dose' has been established in humans, an overdose can lead to extreme drowsiness, nausea, and headache. In the event of a large accidental ingestion, contact a poison control center or seek emergency medical attention. Treatment is generally supportive.
> Important: Follow your healthcare provider's dosing instructions. Do not adjust your dose without medical guidance.
While generally well-tolerated, melatonin can cause several common side effects, particularly when doses exceed the physiological range (0.3 mg to 1 mg).
> Warning: Stop taking Melatonin and call your doctor immediately if you experience any of these.
Because melatonin is a hormone, there are ongoing discussions regarding the effects of multi-year supplementation. Potential long-term considerations include:
No FDA black box warnings for Melatonin. As a dietary supplement in the US, it is not subject to the same labeling requirements as prescription drugs, though it must carry a 'Supplement Facts' panel and a disclaimer stating it is not intended to diagnose, treat, cure, or prevent any disease.
Report any unusual symptoms to your healthcare provider.
Melatonin is a potent biological signaling molecule and should be treated with the same caution as any pharmaceutical agent. It is not a 'natural' remedy that is devoid of risks. Patients should be aware that because it is regulated as a supplement in the US, the actual amount of melatonin in a product can vary significantly from what is listed on the label (sometimes by more than 400%).
No FDA black box warnings for Melatonin.
For short-term use (e.g., jet lag), formal laboratory monitoring is rarely required. For long-term use, healthcare providers may monitor:
Melatonin causes drowsiness and can significantly impair reaction time and coordination. Do not drive, operate heavy machinery, or engage in hazardous activities for at least 4 to 6 hours after taking melatonin. Some individuals may experience 'residual' effects the next morning, which can also impair driving safety.
Alcohol should be strictly avoided when taking melatonin. Alcohol interferes with the quality of sleep, disrupts the circadian rhythm, and can significantly increase the sedative effects of melatonin, leading to a higher risk of accidents, respiratory depression, or extreme grogginess.
Unlike benzodiazepines or other sedative-hypnotics, melatonin is not considered addictive and does not typically cause a withdrawal syndrome. However, stopping it suddenly after long-term use may result in 'rebound insomnia' or a return of the original sleep difficulties. A gradual taper is generally not required but can be done under medical guidance if preferred.
> Important: Discuss all your medical conditions with your healthcare provider before starting Melatonin.
While few drugs are strictly contraindicated, the following combinations carry significant risk:
Melatonin supplementation can interfere with tests measuring endogenous melatonin levels (such as salivary melatonin assays used in sleep clinics). It may also theoretically affect certain hormonal assays, though this is not common in standard clinical practice.
> Important: Tell your doctor about ALL medications, supplements, and herbal products you are taking.
There is no well-documented cross-sensitivity between melatonin and other major drug classes. However, patients who are sensitive to other indole-derived compounds should exercise caution.
> Important: Your healthcare provider will evaluate your complete medical history before prescribing Melatonin.
Pregnancy Category: Not Classified (FDA).
There is insufficient high-quality clinical data to establish the safety of melatonin supplementation during pregnancy. While melatonin is naturally present in the maternal circulation and plays a role in fetal circadian development, supplemental doses are often much higher than physiological levels. Some animal studies suggest potential effects on fetal development and reproductive signaling. Use during pregnancy is generally not recommended unless specifically directed by an obstetrician.
Melatonin is excreted into human breast milk. Endogenous melatonin in breast milk helps communicate the time of day to the nursing infant. However, the impact of high-dose exogenous supplementation on the infant's developing circadian system and hormonal balance is unknown. Nursing mothers should consult their healthcare provider before use.
Melatonin is frequently used off-label for children with sleep onset insomnia, particularly those with ADHD or Autism. While effective in the short term for reducing sleep latency, long-term safety data—especially regarding its impact on the hypothalamic-pituitary-gonadal axis and puberty—are lacking. It should never be used as a 'quick fix' for behavioral sleep issues in healthy children.
In the elderly, endogenous melatonin production is often significantly reduced. While this makes them a target population for supplementation, they are also at higher risk for side effects. Melatonin can cause increased confusion, dizziness, and morning grogginess, which are significant risk factors for falls and fractures in older adults. The 'Beers Criteria' for potentially inappropriate medication use in older adults suggests caution with sedatives, including melatonin.
No specific dose adjustments are provided in the manufacturer's labeling for renal impairment, but clinical monitoring is advised. Patients on dialysis should use melatonin with caution as its clearance may be altered.
Melatonin is contraindicated or should be used with extreme caution in patients with hepatic impairment. Reduced clearance can lead to significantly higher plasma concentrations, increasing the risk of side effects and potentially interfering with the sleep-wake cycle for several days.
> Important: Special populations require individualized medical assessment.
Melatonin is an indoleamine that acts as a potent agonist at MT1 and MT2 receptors. The MT1 receptor, located in the suprachiasmatic nucleus (SCN), inhibits neuronal activity to promote sleep. The MT2 receptor, also in the SCN, mediates the phase-shifting effects that synchronize the circadian clock. Melatonin also binds to intracellular proteins like calmoduline and has direct non-receptor mediated antioxidant properties, protecting cells from oxidative stress by neutralizing reactive oxygen and nitrogen species.
The pharmacodynamic effect of melatonin is highly dependent on the timing of the dose. Administering melatonin in the afternoon or early evening will 'phase advance' the clock (shifting sleep earlier), while morning administration can 'phase delay' the clock (shifting sleep later). The sedative effect typically onset within 30 to 60 minutes. Tolerance to the hypnotic effects of melatonin is generally low compared to benzodiazepines.
| Parameter | Value |
|---|---|
| Bioavailability | 3% - 33% (Significant first-pass) |
| Protein Binding | 60% - 70% (Primarily Albumin) |
| Half-life | 20 - 50 minutes (Immediate release) |
| Tmax | 0.5 - 2 hours |
| Metabolism | Hepatic (CYP1A2 hydroxylation) |
| Excretion | Renal (>90% as metabolites) |
Melatonin is classified as a Melatonin Receptor Agonist. It is distinct from GABAergic sedatives (like zolpidem) as it does not directly induce CNS depression but rather signals the body that it is time to sleep.
Common questions about Melatonin Cord
Melatonin is primarily used to treat various sleep-related conditions by helping to regulate the body's internal clock. Healthcare providers often recommend it for jet lag, shift work sleep disorder, and delayed sleep phase syndrome, where a person's sleep schedule is shifted later than desired. It is also used off-label to help children with neurodevelopmental disorders like ADHD or autism fall asleep more easily. While it is commonly used for general insomnia, its effectiveness for staying asleep throughout the night is often lower than its ability to help one fall asleep. Always consult a healthcare provider to determine if melatonin is appropriate for your specific sleep concerns.
The most frequently reported side effects of melatonin include daytime drowsiness, headaches, and dizziness. Some individuals may also experience nausea or a 'heavy' feeling in the head the morning after use. Vivid dreams or nightmares are also quite common, as melatonin influences the REM stage of sleep. These effects are usually mild and often resolve by lowering the dosage. However, if you experience persistent grogginess that interferes with your daily activities, you should speak with your doctor about adjusting your regimen.
No, you should not consume alcohol while taking melatonin. Alcohol can interfere with the supplement's effectiveness by disrupting your natural sleep architecture and suppressing the body's own melatonin production. Furthermore, both substances have sedative properties, and combining them can lead to excessive drowsiness, increased risk of falls, and potential breathing difficulties during sleep. For the best results and safety, it is recommended to avoid alcohol entirely on nights when you plan to use melatonin. Always discuss your alcohol consumption with your healthcare provider when starting new supplements.
The safety of melatonin during pregnancy has not been clearly established through large-scale human clinical trials. While melatonin is a hormone naturally produced by the body, the supplemental doses found in over-the-counter products are much higher than normal physiological levels. There is concern that these high levels could potentially affect fetal development or the mother's hormonal balance. Most healthcare providers recommend avoiding melatonin during pregnancy and while breastfeeding unless it is deemed absolutely necessary. If you are pregnant or planning to become pregnant, consult your obstetrician for safer alternatives for managing sleep issues.
For most people, melatonin begins to take effect within 30 to 60 minutes after oral ingestion. To achieve the best results, it should be taken about an hour before your intended bedtime. The immediate-release formulations are designed to help you fall asleep faster, while timed-release versions may take slightly longer to reach peak levels but help maintain sleep. It is also crucial to dim the lights and avoid screens after taking the supplement, as bright light can counteract its effects. If you do not feel sleepy after an hour, do not take an additional dose without consulting your doctor.
Yes, melatonin can generally be stopped suddenly without the severe withdrawal symptoms associated with prescription sleep medications like benzodiazepines. Melatonin is not considered habit-forming or addictive in the traditional sense. However, some people may experience a temporary return of their sleep difficulties, often called 'rebound insomnia,' as their body readjusts to producing its own melatonin. If you have been taking high doses for a long period, you might find it more comfortable to gradually reduce the dose over a week. Discuss a discontinuation plan with your healthcare provider if you have concerns about stopping.
If you miss a dose of melatonin and you realize it shortly before bed, you can take it as planned. However, if you wake up in the middle of the night and realize you missed your dose, it is usually best to skip it. Taking melatonin late in the night can cause significant morning grogginess and may make it difficult to wake up or drive safely the next day. Never take two doses at once to make up for a missed one. Simply resume your normal schedule the following night and try to stay consistent with the timing.
There is currently no strong clinical evidence to suggest that melatonin causes weight gain in humans. In fact, some animal studies and small human trials have explored melatonin's role in metabolism, suggesting it might actually assist in weight management by promoting the development of 'brown fat,' which burns energy. However, some people might experience increased appetite or 'night eating' if the supplement causes them to feel disoriented. If you notice unexpected changes in your weight while taking melatonin, it is important to discuss these changes with your healthcare provider to rule out other causes. Weight fluctuations are not a standard side effect of this supplement.
Melatonin can interact with several types of medications, so it should not be started without a review of your current drug list. It can interact significantly with blood thinners, immunosuppressants, diabetes medications, and certain antidepressants like fluvoxamine. It may also interfere with blood pressure medications and anticonvulsants used for epilepsy. Because it is a hormone, it can also interact with hormonal contraceptives or hormone replacement therapy. Always provide your doctor or pharmacist with a complete list of all medications and herbal supplements you are using to ensure there are no dangerous interactions.
Melatonin is a naturally occurring compound and is widely available as a generic dietary supplement over-the-counter in the United States. Because it is not a patented drug, many different manufacturers produce it in various forms, including tablets, gummies, and liquids. In countries where it is a prescription medication, such as the UK or Australia, generic versions of prolonged-release melatonin are often available alongside brand-name products like Circadin. When buying over-the-counter, look for products that have been third-party tested (such as by USP or NSF) to ensure the dose on the label is accurate.
Other drugs with the same active ingredient (Melatonin)