165 Log Canoe Circle, Suite E Stevensville, MD 21666 Phone: 410-643-1000

Benadryl (generic name diphenhydramine)

 
Diphenhydramine (Benadryl) Dose Table for every 6 - 8 hours
Child's Weight (pounds) 20 - 24 25 - 37 38 - 49 50 - 99 100+ lbs.
Liquid 12.5 mg/ 1 teaspoon (tsp) 3/4 1 1 1/2 2 -- tsp
Liquid 12.5 mg/ 5 milliliters (ml) 4 5 7.5 10 -- ml
Chewable 12.5 mg -- 1 1 1/2 2 4 tablets
Tablets 25 mg -- 1/2 1/2 1 2 tablets
Capsules 25 mg -- -- -- 1 2 caps
 

When to Use. Treatment of allergic reactions, nasal allergies, hives and itching.

Table Notes:

  • AGE LIMITS. For allergies, don't use under 1 year of age. (Reason: it causes most babies to be sleepy). For colds, not advised at any age. (Reason: no proven benefits). They should be not be given if under 4 years old. If under 6 years, don't give products with more than one ingredient in them. (Reason: FDA recommendations 10/2008).
  • 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.

Benadryl (red) Syrup 12.5 mg/5 ml / 1 tsp   

May Give Every 6 - 8 hours     
  • 20-24 lbs. - 3/4 tsp.
  • 25-37 lbs. - 1 tsp.
  • 38-49 lbs. - 1 1/2 tsp.
  • 50-99 lbs. - 2 tsp.
  • 100+ lbs. - ------

Benadryl Chews 12.5 mg 

May Give Every 6 - 8 hours                 
  • 20-24 lbs. - ------
  • 25-37 lbs. - 1 tablet
  • 38-49 lbs. - 1 1/2 tablets
  • 50-99 lbs. - 2 tablets
  • 100+ lbs. -  4 tablets

Benadryl Tablets 25 mg 

May Give Every 6 - 8 hours                 
  • 20-24 lbs. - ------
  • 25-37 lbs. - 1/2 tablet
  • 38-49 lbs. - 1/2 tablet
  • 50-99 lbs. - 1 tablet
  • 100+ lbs. -  2 tablets

Benadryl Capsules 25 mg 

May Give Every 6 - 8 hours                 
  • 20-24 lbs. - ------
  • 25-37 lbs. - ------
  • 38-49 lbs. - ------
  • 50-99 lbs. - 1 capsule
  • 100+ lbs. -  2 capsules

Is Your Child Sick?®

What's Going Around?

Office Hours

Monday 8am to 6pm
Tuesday 8am to 5pm
Wednesday 8am to 5pm
Thursday 8am to 6pm
Friday 8am to 4pm
Saturday 8am to 1pm
Sunday we are Closed