Dimenhydrinate

Overview

What is Dimenhydrinate? 

Dimenhydrinate is an over-the-counter antihistamine used to prevent and treat nausea, vomiting, and dizziness caused by motion sickness and vertigo. It is partly composed of another antihistamine called diphenhydramine. 

Global Name

Generic name: Dimenhydrinate 
Brand names: Dramamine, Gravol, Dizinil 

Usage

What is Dimenhydrinate used for? 

Dimenhydrinate is primarily used to prevent and treat symptoms of motion sickness and to relieve vertigo that may be associated with inner ear problems. 

How do you use Dimenhydrinate ? 

Availability:

Dimenhydrinate is available in tablet, chewable tablet, liquid, and suppository forms.

Dosage information: 

• Adults: 50-100 mg every 4-6 hours, not to exceed 400 mg in 24 hours. 
• Children: Dosage varies by age; refer to package instructions or consult a doctor. 

Side Effects

Common side effects include drowsiness, dry mouth, blurred vision, and dizziness.

Pharmacist Tips

• Storage: Store at room temperature away from moisture and heat. 
• Timing: Take 30 minutes before traveling for motion sickness prevention. 
• Hydration: Stay well-hydrated to help minimize dizziness and dry mouth. 
• Drowsiness: Be aware of how Dimenhydrinate affects you before engaging in activities requiring mental alertness. 

Availability

Where is Dimenhydrinate available in Hong Kong?

Dimenhydrinate is an over-the-counter (OTC) medication that can be sold without a prescription. It is found in all chain drug stores, including Mannings and Watsons.

FAQs

Is Dimenhydrinate available over-the-counter? 

Yes, Dimenhydrinate is available OTC.

Can Dimenhydrinate be used for morning sickness?

Consult with a healthcare provider for use during pregnancy.

How long does the effect of Dimenhydrinate last?

Effects can last up to 4-6 hours; do not exceed recommended dosage.