ZYTONIN Tablet is used to treat general insomnia and jet lag. It is also used to adjust sleep-wake cycle in people with shift-work disorder and help blind people to establish a day and night cycle.

ZYTONIN Tablet may also be prescribed for other conditions as determined by the doctor.

ZYTONIN Tablet belongs to the class of drugs called hormonal agents. Low levels of melatonin hormone in the body may cause trouble sleeping. ZYTONIN Tablet supplement acts by transferring signals to the melatonin receptor agonist in the brain and other parts of the body to control and maintain sleep-wake cycles.

The dosage and the drug form depend on the age, weight and medical condition of an individual. Take ZYTONIN Tablet as prescribed by your doctor.

Swallow the tablet whole. Do not crush or chew the tablet. Take the drug with or without food. However, taking the drug with food prevents stomach upset.

Use of ZYTONIN Tablet for Jet Lag:

• If you are traveling towards the east, you must take ZYTONIN Tablet after dark and 30 minutes before bed time. Then, you must continue this for at least 4 nights in the new time zone.

• If you are traveling towards the west, a dose is not required for the first traveling night. You must take the drug 30 minutes before bed time for the next 4 nights.

The overdose symptoms of ZYTONIN Tablet may include:

• Nightmares
• Vivid dreams at night
• Irritability or anxiety
• Joint pain

Drugs that interact with ZYTONIN Tablet include the following:

• Acetaminophen
• Aspirin
• Ethinyl Estradiol
• Fluvoxamine
• Hydroxyprogesterone
• Ifosfamide

This is not a comprehensive list of drug interactions. Consult your doctor to know more about other possible drug interactions.

The following are the most common side effects of ZYTONIN Tablet:

• Daytime drowsiness
• Headache
• Dizziness
• Stomach pain

The following are the severe side effects, and you may require immediate medical attention:

• Depression
• Irritability
• Joint pain

This is not a complete list of side effects and others may occur. Please consult your doctor to know more about other possible side effects.

• Avoid using the medicine if you are allergic to ZYTONIN Tablet or similar drugs.
• Avoid consumption of alcohol as it may alter the absorption of
• Do not drive or operate heavy machinery if ZYTONIN Tablet causes dizziness or blurred vision.
• Seek doctors advice before taking any other drug or herbal products while on
• Keep the medication out of reach of children.

You are advised not to take ZYTONIN Tablet if

• it has passed the expiry date of the medicine printed on the pack.
• the foil or packaging is torn or shows signs of tampering or there is discolouration.

• Tell your doctor if you have any history of kidney, liver or heart diseases.
• Inform the doctor if you are taking any other drugs, OTC medications, herbal products or nutritional supplements.
• Notify your doctor if you are pregnant or breastfeeding.

1. Is it safe to use ZYTONIN Tablet in patients with depression?

No. It is not safe to use ZYTONIN Tablet in patients with depression.

2. I am on steroid therapy for rheumatoid arthritis. Can I take ZYTONIN Tablet?

No. Do not take ZYTONIN Tablet while using corticosteroids, as this combination may cause complications.

3. Should I follow any dietary restrictions while taking ZYTONIN Tablet?

Avoid caffeinated foods such as coffee and tea while taking ZYTONIN Tablet.

4. What is the recommended dose of ZYTONIN Tablet for treating jet lag?

The recommended dose of ZYTONIN Tablet for treating jet lag is 0.1 to 8 milligrams. However, please consult your doctor for dose-related queries.