Description
Main uses
- Allergies and colds : Relieves sneezing, runny nose and itchy eyes.
- Motion sickness : Prevents nausea, vomiting and dizziness.
- Sleep : Induces sleep thanks to its sedative effect.
- Other: Treats mild cough and certain movement disorders (e.g. early Parkinson’s disease).
Dosage (example for motion sickness)
- Adults (12+ years) : 1 to 1.5 tablets, 30 min before departure, max 6/day.
- Children (6-12 years) : 1 tablet, 30 min before departure, max 4/day.
- Children (2-6 years) : 0.5 tablet crushed, 30 min before departure, max 4 half-tablets/day.
- Important : Leave at least 6 hours between doses.
Precautions and side effects
- Common adverse effects : Drowsiness (very common), dry mouth, headache.
- Avoid/Use with caution with : Alcohol (increases drowsiness), sedative medicines, glaucoma, enlarged prostate, asthma, liver/kidney failure.
- Contraindications : Breastfeeding, children under 2 years old.
Additional information
- Diphenhydramine works in less than an hour.
- It can be found alone or combined with other substances (e.g. diacefylline).
- Always ask a pharmacist or doctor for advice before using it, especially if you take other medicines.
