ZzzQuil
ZzzQuil is an over-the-counter non-habit-forming sleep aid containing diphenhydramine hydrochloride, a first-generation antihistamine. It works by blocking histamine in the brain to produce drowsiness, helping users fall asleep faster.
Dosage by Body Weight
For adults and children 12 years of age and over: Take 50 mg (typically 30 mL of liquid or 2 capsules) at bedtime if needed, or as directed by a doctor. Allow for at least 7 to 8 hours of sleep. Do not use for more than 2 weeks consecutively without consulting a doctor.
- Body Weight
- Below 5 kg
- Dose
- Not routine
- Frequency
- Do not use
- Tracking Notes
- Contraindicated in newborns and infants due to risk of severe side effects.
- Body Weight
- 5-7 kg
- Dose
- Not recommended
- Frequency
- Do not use
- Tracking Notes
- Over-the-counter sleep aids should not be given to infants or young children.
- Body Weight
- 8-10 kg
- Dose
- Not recommended
- Frequency
- Do not use
- Tracking Notes
- Not indicated for children under 12 years of age for sleeplessness.
- Body Weight
- 11-15 kg
- Dose
- Not recommended
- Frequency
- Do not use
- Tracking Notes
- Antihistamines can cause paradoxical excitation in young children.
- Body Weight
- 16-20 kg
- Dose
- Not recommended
- Frequency
- Do not use
- Tracking Notes
- Consult a pediatrician if treating non-insomnia conditions like severe allergies.
| Body Weight | Dose | Frequency | Tracking Notes |
|---|---|---|---|
| Below 5 kg | Not routine | Do not use | Contraindicated in newborns and infants due to risk of severe side effects. |
| 5-7 kg | Not recommended | Do not use | Over-the-counter sleep aids should not be given to infants or young children. |
| 8-10 kg | Not recommended | Do not use | Not indicated for children under 12 years of age for sleeplessness. |
| 11-15 kg | Not recommended | Do not use | Antihistamines can cause paradoxical excitation in young children. |
| 16-20 kg | Not recommended | Do not use | Consult a pediatrician if treating non-insomnia conditions like severe allergies. |
Formulation
LiquidCapsuleTablet
Purpose
Used for the short-term relief of occasional sleeplessness. It helps reduce difficulty in falling asleep.
Generic Name
Diphenhydramine hydrochlorideScheduled Drug
No. This medicine is generally not treated as a scheduled/prescription-only drug in common consumer references, but local rules may vary.