What is diphenhydramine FDA approved for?
Diphenhydramine is an antihistamine used to temporarily relieve symptoms due to hay fever, upper respiratory allergies, or the common cold, such as runny nose and sneezing. It works by blocking histamine in the body, which is a substance that causes allergic symptoms.
When was Benadryl approved by the FDA?
Original Approvals or Tentative Approvals
| Action Date | Submission | Action Type |
|---|---|---|
| 03/06/1947 | ORIG-1 | Approval |
Is diphenhydramine a controlled substance?
Diphenhydramine is deemed to have limited abuse potential in the United States owing to its potentially serious side-effect profile and limited euphoric effects, and is not a controlled substance.
What is the drug classification of diphenhydramine?
Diphenhydramine is in a class of medications called antihistamines. It works by blocking the action of histamine, a substance in the body that causes allergic symptoms.
What are contraindications for diphenhydramine?
Who should not take DIPHENHYDRAMINE HCL?
- overactive thyroid gland.
- increased pressure in the eye.
- closed angle glaucoma.
- high blood pressure.
- stenosing peptic ulcer.
- blockage of the urinary bladder.
- enlarged prostate.
- an inability to completely empty the bladder.
What are contraindications for Benadryl?
Who should not take BENADRYL?
- overactive thyroid gland.
- increased pressure in the eye.
- closed angle glaucoma.
- high blood pressure.
- stenosing peptic ulcer.
- blockage of the urinary bladder.
- enlarged prostate.
- an inability to completely empty the bladder.
Who should avoid using diphenhydramine?
high blood pressure. stenosing peptic ulcer. blockage of the urinary bladder. enlarged prostate.
What are the side effects of long term use of diphenhydramine?
Some side effects that may occur with long-term use include:
- constipation.
- blurred vision.
- memory problems and dementia (especially in seniors)
- anxiety.
- dependence.
Are there any over the counter drugs that contain diphenhydramine?
The Food and Drug Administration (FDA) is issuing a final rule amending the final monographs for over-the-counter (OTC) antiemetic, antihistamine, antitussive, and nighttime sleep-aid drug products to add a warning statement for oral products containing diphenhydramine citrate or diphenhydramine hydrochloride.
Is there a final rule for diphenhydramine hydrochloride?
This final rule also includes the agency’s conclusions on additional warning statements and a direction statement for OTC external analgesic drug products containing diphenhydramine hydrochloride. These conclusions will be incorporated into the final monograph for OTC external analgesic drug products in a future issue of the Federal Register.
Is there a reporting start page 72556 for diphenhydramine?
There is also concern of underreporting because there is no current reporting Start Printed Page 72556 requirement for topical diphenhydramine products marketed under the proposed OTC drug monograph.
Are there any warnings on topical diphenhydramine tablets?
As pointed out in the proposal ( 62 FR 45767 at 45769), a major manufacturer voluntarily revised the warnings for its topical diphenhydramine products after receiving adverse reaction reports.