---
product_id: 537172363
title: "SDA LABORATORIES Diphenhydramine 50mg Allergy Relief, Fast-Acting Indoor & Outdoor Antihistamine Symptom Control, 1000 Count (1 Bottle)"
brand: "sda laboratories"
price: "R$554"
currency: BRL
in_stock: true
reviews_count: 8
category: "Sda Laboratories"
url: https://www.desertcart.com.br/products/537172363-sda-laboratories-diphenhydramine-50mg-allergy-relief-fast-acting-indoor-outdoor
store_origin: BR
region: Brazil
---

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

**Brand:** sda laboratories
**Price:** R$554
**Availability:** ✅ In Stock

## Summary

> 💥 Stay ahead of allergies with fast, reliable relief that keeps you unstoppable!

## 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?** R$554 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/537172363-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

- • **All-Season Allergy Armor:** Versatile formula tackles pollen, pet dander, dust, and mold—indoors or out, year-round protection.
- • **Effortless Daily Defense:** Small, unflavored capsules designed for hassle-free use anytime symptoms strike.
- • **Rapid Relief, Zero Delay:** Experience fast-acting 50mg diphenhydramine that stops allergy symptoms in their tracks.
- • **Bulk Supply, Bulk Savings:** 1000 easy-to-swallow capsules mean you’re stocked for the long haul—no last-minute runs to the pharmacy.
- • **Sleep Soundly, Allergy-Free:** Dual-action relief that not only clears symptoms but also promotes restful, uninterrupted sleep.

## Overview

SDA LABORATORIES Diphenhydramine 50mg Allergy Relief offers a potent, fast-acting antihistamine solution in a massive 1000-capsule bottle. Designed for adults, it provides versatile, year-round control of indoor and outdoor allergy symptoms like sneezing, itchy eyes, and congestion. Its easy-to-swallow capsules also support better sleep by alleviating nighttime allergy discomfort, making it a cost-effective, convenient choice for sustained allergy management.

## 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 |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #44,051 in Health & Household ( See Top 100 in Health & Household ) #217 in Allergy Medicine #763 in Multivitamins |
| Brand | SDA LABORATORIES |
| Brand Name | SDA LABORATORIES |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 991 Reviews |
| Dosage Form | Capsules |
| Flavor | Unflavored |
| Item Form | Capsule |
| Manufacturer | SDA LABORATORIES |
| Material Type Free | en_AE |
| Number of Items | 1 |
| Package Type Name | Bottle |
| Product Benefits | Allergy Control |
| Special Ingredients | Diphenhydramine |
| Specific Uses For Product | Allergy, Cough |
| Target Audience | Unisex-Adults |
| Target Use Body Part | Eyes |
| Unit Count | 1000 Count |

## Product Details

- **Brand:** SDA LABORATORIES
- **Item Form:** Capsule
- **Item dimensions L x W x H:** 5 x 4 x 6 inches
- **Number of Items:** 1
- **Product Benefits:** Allergy Control

## 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)
![SDA LABORATORIES Diphenhydramine 50mg Allergy Relief, Fast-Acting Indoor & Outdoor Antihistamine Symptom Control, 1000 Count (1 Bottle) - Image 2](https://m.media-amazon.com/images/I/61NtJpXwhPL.jpg)
![SDA LABORATORIES Diphenhydramine 50mg Allergy Relief, Fast-Acting Indoor & Outdoor Antihistamine Symptom Control, 1000 Count (1 Bottle) - Image 3](https://m.media-amazon.com/images/I/61cqWvKBOgL.jpg)
![SDA LABORATORIES Diphenhydramine 50mg Allergy Relief, Fast-Acting Indoor & Outdoor Antihistamine Symptom Control, 1000 Count (1 Bottle) - Image 4](https://m.media-amazon.com/images/I/61yrrgN2XvL.jpg)
![SDA LABORATORIES Diphenhydramine 50mg Allergy Relief, Fast-Acting Indoor & Outdoor Antihistamine Symptom Control, 1000 Count (1 Bottle) - Image 5](https://m.media-amazon.com/images/I/71+eOO1f4YL.jpg)

## 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, Antihistamine Capsules, Fast-Acting Formula for Sneezing, Runny Nose & Itchy Eyes – 100 Count (2 Pack)
- Vitabod Melatonin 20 mg - 240 Fast Dissolve Tablets - Drug Free - Natural Berry Flavor - Vegetarian, Non-GMO, Gluten Free 240 Count (Pack of 1) (240 Count (Pack of 1))
- HealthA2Z® Sleep Aid | Doxylamine Succinate 25mg | Non Habit-Forming (200 Counts (Pack of 1))

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-01-28*