Itching / Allergies
| Child's Weight (pounds) | 20-24 lbs. | 25-37 lbs. | 38-49 lbs. | 50-99 lbs. | 100+ lbs. |
|---|---|---|---|---|---|
| Liquid 12.5 mg/ 5 milliliters | 20-24 lbs.
4 mL |
25-37 lbs.
5 mL |
38-49 lbs.
7.5 mL |
50-99 lbs.
10 |
100+ lbs.
- |
| Chewable 12.5 mg | 20-24 lbs.
- |
25-37 lbs.
1 tab. |
38-49 lbs.
1 1/2 tab. |
50-99 lbs.
2 tab. |
100+ lbs.
4 tab. |
| Tablets 25 mg | 20-24 lbs.
- |
25-37 lbs.
1/2 tab. |
38-49 lbs.
1/2 tab. |
50-99 lbs.
1 tab. |
100+ lbs.
2 tab. |
| Capsules 25 mg | 20-24 lbs.
- |
25-37 lbs.
- |
38-49 lbs.
- |
50-99 lbs.
1 cap. |
100+ lbs.
2 cap. |
Diphenhydramine (Benadryl) Dose Table for every 6 - 8 hours
When to Use. Treatment of allergic reactions, nasal allergies, hives and itching.
- AGE LIMITS. For allergies, don't use under 6 months of age without speaking to the doctor. For colds, not advised at any age. (Reason: no proven benefits).
- DOSE. Find the child's weight in the top row of the dose table. Look below the correct weight for the dose based on the product you have.
- MEASURE the DOSE. Syringes and droppers are more accurate than teaspoons. If possible, use the syringe or dropper that comes with the medicine. If not, you can get a med syringe at drug stores. If you use a teaspoon, it should be a measuring spoon. (Reason: regular spoons are not reliable.) Keep in mind 1 level teaspoon equals 5 mL and that ½ teaspoon equals 2.5 mL.
- ADULT DOSE. 50 mg
- HOW OFTEN. Repeat every 6 hours as needed.
- CHILDREN’S BENADRYL FASTMELTS. Each fastmelt tablet equals 12.5 mg. They are dosed the same as chewable tablets.
Customized from Itching Allergies v0.1 7/8/2025