Text size
← US medicinesUS · Over-the-counter medicine
Diphenhydramine HCl
- Dosage form
- SOLUTION
- Labeler
- A-S Medication Solutions
- Label updated
- 2024-01-04
- Retrieved
- 2026-09-07
- Active ingredients
- DIPHENHYDRAMINE HYDROCHLORIDE
Active ingredient (in each teaspoonful (5 mL))
Diphenhydramine HCl 12.5 mg
Purpose
Antihistamine
Uses
- temporarily relieves these symptoms due to hay fever or other upper respiratory allergies:
- runny nose
- sneezing
- itchy, watery eyes
- itching of the nose or throat
Warnings
Do not use
- to make a child sleepy
- with any other product containing diphenhydramine, even one used on skin
Ask a doctor before use if you have
- a breathing problem such as emphysema or chronic bronchitis
- difficulty in urination due to enlargement of the prostate gland
- glaucoma
Ask a doctor or pharmacist before use if you are
taking sedatives or tranquilizers.
When using this product
- marked drowsiness may occur
- avoid alcoholic beverages
- alcohol, sedatives, and tranquilizers may increase drowsiness
- excitability may occur, especially in children
- use caution when driving a motor vehicle or operating machinery
If pregnant or breast-feeding,
ask a health professional before use.
Keep out of reach of children.
In case of overdose, get medical help or contact a Poison Control Center right away.
Directions
- do not take more than directed
- do not take more than 6 doses in 24 hours
- mL = milliliter
- find right dose on chart below
- take every 4 to 6 hours, or as directed by a doctor
| Age | Dose |
| adults and children 12 years and over | 2 - 4 teaspoonsful (25 mg to 50 mg) |
| children 6 to 11 years | 1 - 2 teaspoonsful (12.5 mg to 25 mg) |
| children 2 to 5 years | do not use unless directed by a doctor |
| children under 2 years | do not use |
Other information
- each teaspoonful (5 mL) contains: sodium 4 mg
- store at 25°C (77°F); excursions permitted between 15°-30°C (59°-86°F)
- use by expiration date on package
Inactive ingredients
anhydrous citric acid, D&C red #33, FD&C red #40, flavor, glycerin, high fructose corn syrup, purified water, sodium benzoate, sodium chloride, sodium citrate dihydrate, sucrose
Questions or comments?
1- 800-426-9391
HOW SUPPLIED
Product: 50090-6541
NDC: 50090-6541-0 118 mL in a BOTTLE, PLASTIC
DIPHENHYDRAMINE HCL solution
[Image in the official label — see DailyMed source]
DailyMed Set ID: fa12a5a8-bf2d-4991-9d54-9c519e8e04cd · Version 5
NDC: 50090-6541