Generic Name: tasimelteon (Oral route)
Medically reviewed by Drugs.com. Last updated on Dec 6, 2019.
Commonly used brand name(s)
In the U.S.
Available Dosage Forms:
Therapeutic Class: Central Nervous System Agent
Pharmacologic Class: Melatonin Receptor Agonist
Uses for Hetlioz
Tasimelteon is a melatonin receptor agonist used to treat non-24-hour sleep-wake disorder (Non-24).
This medicine is available only with your doctor's prescription.
Before using Hetlioz
Appropriate studies have not been performed on the relationship of age to the effects of tasimelteon in the pediatric population. Safety and efficacy have not been established.
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of tasimelteon in the elderly. However, elderly patients may be more likely to have side effects after taking this medicine.
Interactions with medicines
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- St John's Wort
Interactions with food/tobacco/alcohol
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Proper use of Hetlioz
Take this medicine exactly as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered.
Take this medicine without food, at the same time every night.
Swallow the capsule whole. Do not crush, break, or chew it.
Keep using this medicine for several weeks or months. It may take a while to work in some patients because of individual differences in circadian rhythms (body clock).
- For oral dosage form (capsules):
- For non-24-hour sleep-wake disorder:
- Adults—20 milligrams (mg) per day, taken before bedtime.
- Children—Use and dose must be determined by your doctor.
- For non-24-hour sleep-wake disorder:
If you miss a dose of this medicine, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Ask your healthcare professional how you should dispose of any medicine you do not use.
Precautions while using Hetlioz
It is very important that your doctor check your progress at regular visits. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to take it.
This medicine may cause some people to become drowsy, sleepy, or less alert than they are normally. It is best that some activities before bedtime should be limited after taking this medicine.
Since smoking may decrease the treatment effects of this medicine, it is best to avoid smoking while you are using it. If you have any questions about this, check with your doctor.
Hetlioz side effects
Check with your doctor as soon as possible if any of the following side effects occur:
- Bladder, lower back, or side pain
- bloody or cloudy urine
- difficult, burning, frequent, or painful urination
- Body aches or pain
- chills or fever
- ear congestion
- nasal congestion, runny nose, or sneezing
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More about Hetlioz (tasimelteon)
- Side Effects
- During Pregnancy
- Dosage Information
- Imprints, Shape & Color Data
- Drug Interactions
- Pricing & Coupons
- En Español
- 1 Review
- Drug class: miscellaneous anxiolytics, sedatives and hypnotics
- FDA Approval History