Diphenhydramine Syrup
Diphenhydramine Syrup is an antihistamine used to relieve allergy symptoms like sneezing, runny nose, itchy eyes, and hives. It may also help with cough and mild insomnia. Take exactly as directed. Common side effects include drowsiness, dizziness, and dry mouth. Consult a doctor for children or persistent symptoms.
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Product Information:
Diphenhydramine syrup is a first‑generation antihistamine (H1 blocker) used to relieve allergy symptoms such as sneezing, runny nose, itchy/watery eyes, hives, itching, and other allergic reactions. It also has sedative and antitussive (cough‑suppressing) properties and may be used for motion sickness, short‑term insomnia relief, and other occasional conditions as directed by a healthcare provider.
How to Take:
Take exactly as directed on the medicine label or by your doctor/pharmacist.
Use the measuring device provided (do not use kitchen teaspoons).
You may take it with or without food
| Age Group | Typical Syrup Dose | Frequency |
|---|---|---|
| Adults & ≥12 years | ~10–25 mL (≈25–50 mg) | Every 4–6 hours as needed |
| Children 6–12 years | ~5–10 mL (≈12.5–25 mg) | Every 4–6 hours |
| Children 2–6 years | ~2.5–5 mL (≈6.25–12.5 mg) | Every 4–6 hours |
| Children <2 years | Only if doctor advises | — |
Doses vary with formulation strength (often 10 mg per 5 mL). Read your bottle for exact mg per mL.
Warnings:
If allergic to diphenhydramine.
In very young children (often under 2–6 years) without medical supervision — risk of serious harm.
Side Effects:
Drowsiness / sedation
Dizziness
Dry mouth, nose, throat
Upset stomach
(Typical for antihistamines)















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