• Follow the instructions on your medication label and take this medication as prescribed by your doctor. 
• This medication may be taken with or without food.
• This medication should be taken just before going to bed when you are ready to sleep. 
• You should obtain this medication from the same doctor or clinic whenever possible.
  

• You are allergic to this medication or any of the other ingredients of this medication
• You are pregnant, planning to become pregnant, or breastfeeding. If you are pregnant and/or breastfeeding, your doctor would have discussed the potential benefits and side-effects with you.If you have further questions or concerns, do consult your doctor.
• You are taking other medications including over-the-counter medications, supplements, traditional Chinese medicine and herbal remedies. Some of them may affect how this medication works or have serious interactions with this medication.
• You have or have ever had:
• Other drug allergies or lactose intolerance (congenital galactosaemia, glucose malabsorption syndrome or lactase deficiency)
• Other mental health conditions such as depression
• Medical conditions such as:
• Lung, liver or kidney disease
• Drug or alcohol abuse
• Myasthenia Gravis (an autoimmune condition that affects the nerves and muscles) or 
• Sleep apnea (temporary stopping of breathing during sleep)
  

• Unintentional, regular use of the medication
• Dependence or over-reliance on the medication
• Decreased effectiveness of the medication

• On a short-term basis (2 - 4 weeks)
• At the lowest effective dose
• Intermittently (for example, taking it once every 2 or 3 nights for relieving sleep difficulty)

• Nausea or vomiting
• Take this medication with or after food
• Take simple meals and avoid rich or spicy foods
  

• Dizziness (especially during a sudden change in posture)
• Get up slowly from a sitting or lying down position
  

• Feeling tired or drowsy
• Avoid driving or engaging in activities requiring concentration for 12 hours after taking this medication
  

• Dry mouth; bitter taste
• Sip water regularly if possible
• Suck on ice chips or sugarless candy
  

• Feeling clumsy or unsteady
• Speak to your doctor if it becomes bothersome
  

• Headache 
• Speak to your doctor if it becomes bothersome

The symptoms of a drug allergy include one or more of the following: 

• Swollen face/eyes/lips/tongue
• Difficulty in breathing
• Itchy skin rashes over your whole body

• Memory loss (amnesia)
• Abnormal thinking or changes in behaviour
• Unusual excitement, irritability, agitation or over-talkativeness (disinhibition)
• Unusual sleep-related activities such as walking, eating or cooking
• Confusion
  
• Fast, strong or irregular heartbeat
• Muscle weakness or tremors