Medicine detail

Diphenhydramine hcl

Used for: temporarily relieves these symptoms due to hay fever or other respiratory allergies: ■ sneezing ■ itching of the nose or throat ■ runny nose ■ itchy watery eyes ■temporarily relieves these symptoms due to the common cold: ■ sneezing ■ runny nose

Catalog search

Allergy medicine Allergy and anaphylaxis medicines ID 1231

diphenhydramine hcl reference image: A weekly medication organizer with capsules. — Image: Pilulier semainier.JPG by Stephane8888, CC BY-SA 2.5.

What It Is Used For

Used for: temporarily relieves these symptoms due to hay fever or other respiratory allergies: ■ sneezing ■ itching of the nose or throat ■ runny nose ■ itchy watery eyes ■temporarily relieves these symptoms due to the common cold: ■ sneezing ■ runny nose

openFDA drug label

Active Ingredient

DIPHENHYDRAMINE HCL

Chemical Name

DIPHENHYDRAMINE HCL

Common Brands

Childrens Allergy Relief

Generic / Alternate Names

DIPHENHYDRAMINE HCL

Tracking Note

Use this entry as a reference/search starting point; verify dose, indication, and safety details with official labeling or a clinician.

Reference Links

RxNorm PubChem DailyMed MedlinePlus PubMed Studies

Clinical links

Linked conditions and symptoms

Allergies reference image: An anatomical illustration of red blood cells. — Image: Blausen 0761 RedBloodCells.png by BruceBlaus, CC BY 3.0.

Allergies

Commonly used for allergy symptoms or emergency allergic-reaction care depending on medicine and route.

Blood / immune common use

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Anaphylaxis reference image: An anatomical illustration of red blood cells. — Image: Blausen 0761 RedBloodCells.png by BruceBlaus, CC BY 3.0.

Anaphylaxis

Commonly used for allergy symptoms or emergency allergic-reaction care depending on medicine and route.

Blood / immune common use

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Allergic Rhinitis reference image: An anatomical illustration of red blood cells. — Image: Blausen 0761 RedBloodCells.png by BruceBlaus, CC BY 3.0.

Allergic Rhinitis

Commonly used for allergy symptoms or emergency allergic-reaction care depending on medicine and route.

Respiratory common use

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Eczema reference image: An anatomical illustration of skin layers. — Image: Blausen 0810 SkinAnatomy 01.png by BruceBlaus, CC BY 3.0.

Eczema

Commonly used for allergy symptoms or emergency allergic-reaction care depending on medicine and route.

Skin / dermatology common use

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Hives reference image: An anatomical illustration of skin layers. — Image: Blausen 0810 SkinAnatomy 01.png by BruceBlaus, CC BY 3.0.

Hives

Commonly used for allergy symptoms or emergency allergic-reaction care depending on medicine and route.

Skin / dermatology common use

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Tongue swelling reference image: An anatomical illustration of the human heart. — Image: Blausen 0451 Heart Anterior.png by Blausen Medical Communications, Inc., CC BY 3.0.

Tongue swelling

Commonly used for allergy symptoms or emergency allergic-reaction care depending on medicine and route.

Eye / ear / nose / throat symptom context

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Watery eyes reference image: A person jogging outdoors. — Image: Jogging Woman in Grass.jpg by Mike Baird, CC BY 2.0.

Watery eyes

Commonly used for allergy symptoms or emergency allergic-reaction care depending on medicine and route.

Eye / ear / nose / throat symptom context

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Swelling reference image: An anatomical illustration of the human heart. — Image: Blausen 0451 Heart Anterior.png by Blausen Medical Communications, Inc., CC BY 3.0.

Swelling

Commonly used for allergy symptoms or emergency allergic-reaction care depending on medicine and route.

General / systemic symptom context

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Severe allergic reaction reference image: A weekly medication organizer with capsules. — Image: Pilulier semainier.JPG by Stephane8888, CC BY-SA 2.5.

Severe allergic reaction

Commonly used for allergy symptoms or emergency allergic-reaction care depending on medicine and route.

Medication / allergy symptom context

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Nasal congestion reference image: An anatomical illustration of the respiratory system. — Image: Blausen 0770 RespiratorySystem 02.png by BruceBlaus, CC BY 3.0.

Nasal congestion

Commonly used for allergy symptoms or emergency allergic-reaction care depending on medicine and route.

Respiratory symptom context

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Runny nose reference image: An anatomical illustration of the respiratory system. — Image: Blausen 0770 RespiratorySystem 02.png by BruceBlaus, CC BY 3.0.

Runny nose

Commonly used for allergy symptoms or emergency allergic-reaction care depending on medicine and route.

Respiratory symptom context

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Sneezing reference image: An anatomical illustration of the respiratory system. — Image: Blausen 0770 RespiratorySystem 02.png by BruceBlaus, CC BY 3.0.

Sneezing

Commonly used for allergy symptoms or emergency allergic-reaction care depending on medicine and route.

Respiratory symptom context

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Hives reference image: An anatomical illustration of skin layers. — Image: Blausen 0810 SkinAnatomy 01.png by BruceBlaus, CC BY 3.0.

Hives

Commonly used for allergy symptoms or emergency allergic-reaction care depending on medicine and route.

Skin / hair / nails symptom context

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Itching reference image: An anatomical illustration of skin layers. — Image: Blausen 0810 SkinAnatomy 01.png by BruceBlaus, CC BY 3.0.

Itching

Commonly used for allergy symptoms or emergency allergic-reaction care depending on medicine and route.

Skin / hair / nails symptom context

View symptom