DIPHENHYDRAMINE

Overview

Diphenhydramine is a commonly used medicine to treat allergic reactions, cold symptoms, and itching. It also acts as a sleep aid and helps relieve motion sickness or nausea. It’s available in various forms, including tablets, syrups, creams, and injections.
Classification
Antihistamine
Uses
Eases allergy symptoms like sneezing, runny nose, watery eyes, and hives

Soothes skin irritation and itching due to insect bites, rashes, or eczema

Helps with insomnia (difficulty sleeping)

Used to prevent and manage motion sickness

Relieves cough and cold symptoms when combined with other ingredients

Sometimes used for mild anxiety or restlessness

How It Works
Diphenhydramine works by blocking histamine, a natural substance your body releases during allergic reactions. It also affects certain brain chemicals to cause drowsiness, which helps with sleep and reduces motion-related nausea or dizziness.

Dosage
As prescribed by your doctor.
Side effects
Common effects may include:
Drowsiness or sleepiness

Dry mouth, nose, or throat

Dizziness or blurred vision

Upset stomach or constipation

Feeling groggy or uncoordinated, especially in older adults
Precautions
Can cause drowsiness—avoid driving or operating heavy machinery after taking

Should be used cautiously in older adults, as it may cause confusion or falls

Let your doctor know if you have asthma, glaucoma, high blood pressure, or an enlarged prostate

Avoid alcohol and other sedatives while using this medicine

Not usually recommended for children under 6 without medical advice

If pregnant or breastfeeding, consult your doctor before using

Disclaimer
This content is for informational purposes only. Always consult a healthcare provider for medical advice and proper dosage