---
product_id: 522244635
title: "SDA LABORATORIES Diphenhydramine 50mg Allergy Relief, Fast-Acting Indoor & Outdoor Antihistamine Symptom Control, 1000 Count (1 Bottle)"
brand: "sda laboratories"
price: "A$71"
currency: AUD
in_stock: true
reviews_count: 8
category: "Sda Laboratories"
url: https://www.desertcart.com.au/products/522244635-sda-laboratories-diphenhydramine-50mg-allergy-relief-fast-acting-indoor-outdoor
store_origin: AU
region: Australia
---

# 50mg fast-acting dose Indoor & outdoor allergy relief 1000 capsules per bottle SDA LABORATORIES Diphenhydramine 50mg Allergy Relief, Fast-Acting Indoor & Outdoor Antihistamine Symptom Control, 1000 Count (1 Bottle)

**Brand:** sda laboratories
**Price:** A$71
**Availability:** ✅ In Stock

## Summary

> 💨 Fast relief, full supply, allergy-proof your life!

## Quick Answers

- **What is this?** SDA LABORATORIES Diphenhydramine 50mg Allergy Relief, Fast-Acting Indoor & Outdoor Antihistamine Symptom Control, 1000 Count (1 Bottle) by sda laboratories
- **How much does it cost?** A$71 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/522244635-sda-laboratories-diphenhydramine-50mg-allergy-relief-fast-acting-indoor-outdoor)

## Best For

- sda laboratories enthusiasts

## Why This Product

- Trusted sda laboratories brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Convenient & Reliable:** Small capsules designed for hassle-free daily use or emergency symptom control on the go.
- • **Rapid Symptom Control:** Experience fast relief from sneezing, runny nose, and itchy eyes with a potent 50mg dose.
- • **Sleep-Friendly Formula:** Dual-action relief that helps you breathe easier and sleep better through nighttime allergy flare-ups.
- • **Bulk Supply, Bulk Savings:** 1000 easy-to-swallow capsules ensure you never run out during allergy season or beyond.
- • **Allergy Defense, Year-Round:** Effective against pollen, pet dander, dust mites, and mold for versatile indoor/outdoor protection.

## Overview

SDA LABORATORIES Diphenhydramine 50mg Allergy Relief offers rapid, effective antihistamine action in a massive 1000-capsule bottle. Designed for both indoor and outdoor allergy triggers, it provides versatile, long-lasting symptom control and supports better sleep during nighttime allergy episodes. Ideal for professionals seeking dependable, cost-effective allergy management without frequent repurchasing.

## Description

Buy SDA LABORATORIES Diphenhydramine 50mg Allergy Relief, Fast-Acting Indoor & Outdoor Antihistamine Symptom Control, 1000 Count (1 Bottle) on desertcart.com ✓ FREE SHIPPING on qualified orders

Review: Excellent value - Great quality and an excellent value.
Review: works welll as sleep aid - use then as a night time sleep aid. have done so for 10+ years. works very well. easy to get back to sleep even when you have to get up during the night. better for me than melatonin.

## Features

- Fast-Acting Relief: The 50mg dose of diphenhydramine works quickly to block histamine, offering rapid relief from uncomfortable allergy symptoms like sneezing, runny nose, and itchy eyes. This fast action allows users to feel better within a short time after taking the capsule. It’s especially helpful during allergy flare-ups when symptoms come on suddenly.
- Long-Lasting Supply: With 1000 capsules in a single bottle, this product provides a cost-effective and long-term solution for regular allergy management. Users won't need to frequently repurchase, making it ideal for households with multiple allergy sufferers. This extended supply ensures consistent relief without the worry of running out.
- Versatile Use: These capsules are designed to combat a wide range of allergy triggers, including seasonal pollen, pet dander, dust mites, and mold. Whether you experience allergies indoors or outdoors, this product helps keep symptoms under control. Its versatility makes it suitable for year-round use, no matter the source of your allergies.
- Easy to Take: The capsules are small and easy to swallow, ensuring a hassle-free experience for users. Whether taken daily or only when symptoms arise, the convenient format ensures that users can get relief without discomfort. This makes it practical for individuals who need quick relief without any fuss.
- Nighttime Allergies: Diphenhydramine is known for its antihistamine properties, making it a helpful option for those experiencing allergy symptoms at night. By relieving symptoms such as congestion and sneezing, it also promotes better sleep. This dual benefit makes it ideal for individuals who struggle with sleep disturbances caused by allergies.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B001KY9H36 |
| Best Sellers Rank | #29,980 in Health & Household ( See Top 100 in Health & Household ) #177 in Allergy Medicine #617 in Multivitamins |
| Customer Reviews | 4.8 4.8 out of 5 stars (999) |
| Date First Available  | March 23, 2010 |
| Manufacturer  | SDA LABORATORIES |
| Package Dimensions  | 5.67 x 2.87 x 2.87 inches; 9.59 ounces |

## Product Details

- **Brand:** SDA LABORATORIES
- **Item Form:** Capsule
- **Number of Items:** 1
- **Product Benefits:** Allergy Control
- **Specific Uses For Product:** Allergy, Cough

## Images

![SDA LABORATORIES Diphenhydramine 50mg Allergy Relief, Fast-Acting Indoor & Outdoor Antihistamine Symptom Control, 1000 Count (1 Bottle) - Image 1](https://m.media-amazon.com/images/I/611nUJxPEnL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Questions & Answers

**Q: what is the shelf life or expiration date?**
A: Hi, expiration date is printed on the bottles. It is 2-3yrs from manufacturing.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent value
*by R***E on December 7, 2025*

Great quality and an excellent value.

### ⭐⭐⭐⭐⭐ works welll as sleep aid
*by R***O on December 23, 2025*

use then as a night time sleep aid. have done so for 10+ years. works very well. easy to get back to sleep even when you have to get up during the night. better for me than melatonin.

### ⭐⭐⭐⭐⭐ A value to.assure.a.good.sleep
*by G***A on December 15, 2025*

This is a fantastic value for.a.decongestant. that.also provides for a great sleep.experience.

## Frequently Bought Together

- SDA LABORATORIES Diphenhydramine 50mg Allergy Relief, Fast-Acting Indoor & Outdoor Antihistamine Symptom Control, 1000 Count (1 Bottle)
- HealthA2Z Sleep Aid, Diphenhydramine Softgels, 50mg, Supports Deeper, Restful Sleeping, Non Habit-Forming (250 Counts)
- Carlyle Melatonin 12 mg Fast Dissolve 300 Tablets | Drug Free | Natural Berry Flavor | Vegetarian, Non-GMO, Gluten Free

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-19*